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Articles 1051 - 1080 of 1086

Full-Text Articles in Botany

Studies Of Arundinaria: Experimental Induction Of Flowering And Additional Observation In The Field, Daniel L. Marsh Jan 1971

Studies Of Arundinaria: Experimental Induction Of Flowering And Additional Observation In The Field, Daniel L. Marsh

Journal of the Arkansas Academy of Science

Arundinaria has been observed for three successive seasons at a site near Amity, Arkansas. In advance of the 1971 flowering period rhizomes were taken from the field, pruned, and placed either in an environmental chamber or in the greenhouse in water or in sandy soil. Flowering occurred under each condition, but was most rapid and profuse in transplants growing in sandy soil in the greenhouse. Observations point to the possibility of induction of flowering or to the possible existence of an annually flowering race. Possible economic uses are considered.


Survey Of The Vascular Flora Of Poinsett County, Arkansas, Michael I. Johnson Jan 1971

Survey Of The Vascular Flora Of Poinsett County, Arkansas, Michael I. Johnson

Journal of the Arkansas Academy of Science

A survey of the vascular flora of Poinsett County, Arkansas was made over a period of 13 months. The fifteen field trips taken were planned to include representative soil associations and geographic areas within the county. Three hundred sixty-three species and varieties from eighty-three families were collected or examined.


The Prairie Naturalist Volume 2, Nos. 3 And 4 September–December, 1970 Dec 1970

The Prairie Naturalist Volume 2, Nos. 3 And 4 September–December, 1970

The Prairie Naturalist

EDITORIAL: Ecology and Environmental Education ▪ Keith R. Stamm

PEOPLE IN PERIL ▪ Thomas L. Kimball

MEN IN MAN'S ENVIRONMENT ▪ Robert L. Burgess

ENERGY AND MAN'S ENVIRONMENT ▪ Dale Henegar

MINERALS AND SOILS IN MAN'S ENVIRONMENT ▪ Wilson M. Laird

WATER IN MAN'S ENVIRONMENT ▪ Norman Peterson

THE ATMOSPHERE IN MAN'S ENVIRONMENT ▪ Gene A. Christianson

WHY ENVIRONMENTAL EDUCATION IN THE LIFE SCIENCES? ▪ James R. Reilly

ECOLOGICAL EDUCATION IN THE PHYSICAL SCIENCES ▪ William P. Eastwood

MASS MEDIA AND ENVIRONMENTAL EDUCATION ▪ Richard Palmer

THE JUDGMENT OF THE JACKAL ▪ C. Benson Thomerson

THE ROLE OF COLLEGES AND …


The Prairie Naturalist Volume 2, No.2 June, 1970 Jun 1970

The Prairie Naturalist Volume 2, No.2 June, 1970

The Prairie Naturalist

EDITORIAL: Ecocide on the Sheyenne? ▪ Paul B. Kannowski

NEW RECORDS OF VASCULAR PLANTS IN NORTH DAKOTA ▪ Robert E. Stewart

SOME LOCAL NATIVE PLANT LOSSES AND SOME SAL V AGE ▪ O. A. Stevens

CHRISTMAS BIRD COUNTS IN NORTH DAKOTA ▪ Robert N. Randall

ENVIRONMENTAL DESIGN IN COMMUNITY PLANNING ▪ Cameron Man

DISTRIBUTION OF THE SCIRPUS VALIDUS COMPLEX IN NORTH DAKOTA ▪ Richard L. Ward


The Prairie Naturalist Volume 2, No. 1. March, 1970 Mar 1970

The Prairie Naturalist Volume 2, No. 1. March, 1970

The Prairie Naturalist

EDITORIAL: Speaking of Ecologists ▪ Paul B. Kannowski

NEEDED: AN ETHICAL BASIS FOR ENVIRONMENTAL POLICY ▪ Gordon L. Iseminger

THE POPULATION PARADOX ▪ Gary L. Pearson

THE ENVIRONMENTAL CRISIS—A CALL TO ACTION ▪ Glen A. Sherwood

NORTH DAKOTA—1970 ▪ Philip B. Aus


Additions To The Arkansas Flora, Edwin B. Smith Jan 1970

Additions To The Arkansas Flora, Edwin B. Smith

Journal of the Arkansas Academy of Science

No abstract provided.


Observation Of Flowering In Arundinaria Gigantea (Walt.) Chapm. In Arkansas, Daniel L. Marsh Jan 1970

Observation Of Flowering In Arundinaria Gigantea (Walt.) Chapm. In Arkansas, Daniel L. Marsh

Journal of the Arkansas Academy of Science

No abstract provided.


Floristic Elements Of The Pope County, Arkansas, Area, Gary E. Tucker, Bill Grabill Jan 1970

Floristic Elements Of The Pope County, Arkansas, Area, Gary E. Tucker, Bill Grabill

Journal of the Arkansas Academy of Science

No abstract provided.


Glyptostrobus Europaeus (Brongn.) Heer In Arkansas, Eugene B. Wittlake Jan 1970

Glyptostrobus Europaeus (Brongn.) Heer In Arkansas, Eugene B. Wittlake

Journal of the Arkansas Academy of Science

Glyptostrobus europaeus (Brongn.) Heer, a fossil gymnosperm is found at a few locations in central North America, in deposits of the Eocene. This work cites previously reported localities and reports a new site at Hooker, Arkansas. This deposit appears to be the most abundant for specimens of G. europaeus in the Eocene of North America. History of the Hooker site, characteristics of the living species G. pensilis (Abel) Koch and G. europaeus is presented. Worldwide distribution of both species through time, is discussed. Specimens of many parts of the life cycle of G. europaeus are recorded and illustrated.


Wildflowers Of The Geraldton District, E M. Bennett Jan 1969

Wildflowers Of The Geraldton District, E M. Bennett

Journal of the Department of Agriculture, Western Australia, Series 4

THE wildflowers of Western Australia which have aroused such interest throughout the world are found largely in the south western corner of the State.

Within this area, and indeed in the drier areas also, certain districts are richer than others.

One example of this concentration of wildflowers occurs to the north and east of Geraldton.


Taxonomic And Ecological Study Of A Hillside Marsh, Coles County, Illinois, Hampton M. Parker Jan 1969

Taxonomic And Ecological Study Of A Hillside Marsh, Coles County, Illinois, Hampton M. Parker

Masters Theses

No abstract provided.


Digitaria Adscendens And D. Sanguinalis (Gramineae) In Arkansas, Albert Robinson Jr. Jan 1969

Digitaria Adscendens And D. Sanguinalis (Gramineae) In Arkansas, Albert Robinson Jr.

Journal of the Arkansas Academy of Science

No abstract provided.


Some Noteworthy Species Of The Arkansas Flora, Gary E. Tucker Jan 1969

Some Noteworthy Species Of The Arkansas Flora, Gary E. Tucker

Journal of the Arkansas Academy of Science

No abstract provided.


Survey Of The Arkansas Campanulaceae (Including The Lobeliaceae), Edwin B. Smith Jan 1969

Survey Of The Arkansas Campanulaceae (Including The Lobeliaceae), Edwin B. Smith

Journal of the Arkansas Academy of Science

This paper is a summary of the Campanulaceae of Arkansas, based on the material on file in the University of Arkansas herbarium. A key to the species is included, followed by an alphabetical listing by genus and species of the taxa in the Campanulaceae known to occur in the state. After each taxon, the following information is included in this order: blooming period (as indicated on our material), known distribution in general terms (NW-northwest, E-east, G-general, C- central, etc.), habitat, chromosome number (as reported in Darlington & Wylie, 1955; in the Index to Plant Chromosome Numbers, Vol. I.II, and Supplement; …


Study Of The Herbaceous, Vascular Plants From Selected Sites In Faulkner County, Arkansas, Sara Mills Barnett Jan 1969

Study Of The Herbaceous, Vascular Plants From Selected Sites In Faulkner County, Arkansas, Sara Mills Barnett

Journal of the Arkansas Academy of Science

No abstract provided.


The Prairie Naturalist Volume 1, No.4. December 1969 Dec 1968

The Prairie Naturalist Volume 1, No.4. December 1969

The Prairie Naturalist

EDITORIAL: Restoring Beauty to the Human Environment ▪ Paul B. Kannowski

A REQUIEM FOR THE PRAIRIE ▪ Hugh H. Iltis

BIRDING IN MY BACK YARD ▪ Mrs. George A. Anderson

OCCURRENCE OF THE CECROPIA AND ROCKY MOUNTAIN SILK MOTHS IN SOUTHWESTERN NORTH DAKOTA ▪ James Oberfoell


The Prairie Naturalist Volume 1, No. 3. September, 1969 Sep 1968

The Prairie Naturalist Volume 1, No. 3. September, 1969

The Prairie Naturalist

EDITORIAL: A VOICE FOR CONSERVATION ▪ Paul B. Kannowski

CHRISTMAS BIRD COUNTS FOR NORTH DAKOTA—1968 ▪ Robert N. Randall

SOME ENVIRONMENTAL MANAGEMENT PROBLEMS AND PROPOSED SOLUTIONS ▪ Laurence R. Jahn

SOME PLANTS OF WESTERN MINNESOTA ▪ O. A. Stevens

MORTALITY OF MIGRATORY BIRDS AT GRAND FORKS, NORTH DAKOTA FOLLOWING A MOSQUITO CONTROL OPERATION IN MAY, 1969 ▪ Robert W. Seabloom, Lewis W. Oring and James R. Reilly

NESTING OF THE UPLAND PLOVER ON THE MISSOURI COTEAU ▪ K. F. Higgins, H. F. Duebbert and R. B. Oetting

NOTE

Albino sparrows discovered at Hazen, North Dakota ▪ Larry L. Kruckenberg and …


The Prairie Naturalist Volume 1, No. 2. May, 1969 May 1968

The Prairie Naturalist Volume 1, No. 2. May, 1969

The Prairie Naturalist

EDITORIAL: North Dakota's Naturalist-at-Large ▪ Paul B. Kannowski

WETLAND VEGETATION OF THE TURTLE MOUNTAINS, NORTH DAKOTA ▪ Robert L. Burgess and Dennis T. Disrud

RAPID METHOD OF FILTRATION OF MARSH WATERS ▪ V. A. Adomaitis and J. A. Shoesmith

NOTES

Additional distribution records of the false map turtle and the short-horned lizard in North Dakota ▪ Dennis J. Gemmell

Summer record of the snowy owl in North Dakota ▪ Donald R. Johnson

Long-billed curlews in LaMoure County, North Dakota ▪ Gary L. Krapu


The Prairie Naturalist Volume 1. No.1. March 1968 Mar 1968

The Prairie Naturalist Volume 1. No.1. March 1968

The Prairie Naturalist

EDITORIAL: Another Milestone ▪ John T. Lokemoen

NESTING OF THE COMMON SNIPE IN NORTH DAKOTA ▪ Robert E. Stewart and Harold A. Kantrud

SCIENCE WRITING — A PROBLEM ▪ Soren O. Kolstoe

INSECTICIDES: A DOUBLE-EDGED SWORD ▪ Richard D. Urban

NOTES

Why I like the Badlands ▪ Wayne Hecker

White-faced ibis in McIntosh County, North Dakota ▪ Harold F. Duebbert

Cinnamon teal observations in North Dakota ▪ A. T. Klett and John T. Lokemoen

Trumpeter swan in Kidder County, North Dakota ▪ Lewis M. Cowardin and James C. Bartonek

Specimen records of greater scaup ▪ Charles W. Dane and Harold …


Enigma Of Penstemon Tenuis Small (Scrophulariaceae), Aileen L. Mcwilliam Jan 1968

Enigma Of Penstemon Tenuis Small (Scrophulariaceae), Aileen L. Mcwilliam

Journal of the Arkansas Academy of Science

No abstract provided.


Coreopsis Saxicola Alex. Var. Duncanii Sherff (Compositae) In Arkansas, Edwin B. Smith Jan 1968

Coreopsis Saxicola Alex. Var. Duncanii Sherff (Compositae) In Arkansas, Edwin B. Smith

Journal of the Arkansas Academy of Science

No abstract provided.


Report On The Gramineae Of The Arkansas Springfield Plateau, Albert Robinson Jr. Jan 1968

Report On The Gramineae Of The Arkansas Springfield Plateau, Albert Robinson Jr.

Journal of the Arkansas Academy of Science

No abstract provided.


Department Of Agriculture Services : The Botany Branch And The W.A. Herbarium, Department Of Agriculture, Western Australia Jan 1967

Department Of Agriculture Services : The Botany Branch And The W.A. Herbarium, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

ALTHOUGH the flora of Western Australia strongly attracted early botanists and collectors, it was virtually neglected by settlers faced with a century or more of hard pioneering.

Only recently has enthusiasm for our remarkable flora developed within the State and, with the formation of sponsoring societies and the establishment of the Kings Park Botanic Gardens, native species have become popular in home and civic gardens.


Taxonomic Status Of Penstemon Wherryi Pennell, Aileen L. Mcwilliam Jan 1967

Taxonomic Status Of Penstemon Wherryi Pennell, Aileen L. Mcwilliam

Journal of the Arkansas Academy of Science

No abstract provided.


Observations On Occurrence And Range Of Three Species Of Dentaria (Cruciferae) In The Ouachita Mountains, Aileen L. Mcwilliam Jan 1966

Observations On Occurrence And Range Of Three Species Of Dentaria (Cruciferae) In The Ouachita Mountains, Aileen L. Mcwilliam

Journal of the Arkansas Academy of Science

No abstract provided.


The Labiatae Of Arkansas, James M. Lang Jan 1966

The Labiatae Of Arkansas, James M. Lang

Journal of the Arkansas Academy of Science

No abstract provided.


Arkansas Avifauna: Some Significant Findings, 1960-1964., Douglas A. James Jan 1964

Arkansas Avifauna: Some Significant Findings, 1960-1964., Douglas A. James

Journal of the Arkansas Academy of Science

No abstract provided.


Poison Plant Problems, T E H Aplin Jan 1964

Poison Plant Problems, T E H Aplin

Journal of the Department of Agriculture, Western Australia, Series 4

A POISON plant may be defined as a plant which, when eaten by humans or animals, exerts harmful effects or causes death by virtue of its toxic substances.


Literature On The Vegetation Of Arkansas, Edward E. Dale Jr. Jan 1963

Literature On The Vegetation Of Arkansas, Edward E. Dale Jr.

Journal of the Arkansas Academy of Science

No abstract provided.


Revised And Annotated Catalogue Of The Grasses Of Arkansas, Dwight M. Moore Jan 1961

Revised And Annotated Catalogue Of The Grasses Of Arkansas, Dwight M. Moore

Journal of the Arkansas Academy of Science

No abstract provided.