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Articles 42601 - 42630 of 42635

Full-Text Articles in Life Sciences

A Study Of The Forage Plants Of South Dakota With Their Fungous And Insect Enemies, David Griffiths Jan 1893

A Study Of The Forage Plants Of South Dakota With Their Fungous And Insect Enemies, David Griffiths

Electronic Theses and Dissertations

The main object of this study being a better acquaintance with fungous parasites, the work on the host plants has been considerably abridged in order that the discussion might be shortened. It was the plan at first to include in this paper a carefully written description of each of the principal forage plants of the state. The futility of such a plan, however, soon became apparent, and it was accordingly decided to omit the description and include simply Distribution,

Habitat, Value as Forage, and the Fungous Parasites of each host. There are, therefore, several of our best forage plants omitted …


Notes On The Minnesota Species Of Laciniaria, E. P. Sheldon Jan 1892

Notes On The Minnesota Species Of Laciniaria, E. P. Sheldon

Journal of the Minnesota Academy of Science

No abstract provided.


A Second Report Upon The Native Trees And Shrubs Of Nebraska, Charles E. Bessey, Robert Bolin , Depositor Jan 1892

A Second Report Upon The Native Trees And Shrubs Of Nebraska, Charles E. Bessey, Robert Bolin , Depositor

School of Biological Sciences: Faculty Publications

Dr. Bessey was then Nebraska State Botanist and “Professor of Botany, State University, Lincoln Nebraska.” The State University is now called that University of Nebraska–Lincoln. This document was published as a contribution to the knowledge of the native woody plants of the state. Several reports had been published previously each containing additions and corrections. This report contains a “Special Request” that asked readers around the state to send samples of native trees and shrubs to the author.

The report contains a classification list of the various trees and shrubs along with information about where they can be found. A table …


Notes On The Alpine Characteristics Of The Minnesota Crest Flora Of Coteau Des Prairies, E. P. Sheldon Jan 1892

Notes On The Alpine Characteristics Of The Minnesota Crest Flora Of Coteau Des Prairies, E. P. Sheldon

Journal of the Minnesota Academy of Science

No abstract provided.


The Rum River Valley As A Botanical District, E. P. Sheldon Jan 1892

The Rum River Valley As A Botanical District, E. P. Sheldon

Journal of the Minnesota Academy of Science

No abstract provided.


Preliminary Notes On The Epinasty And Hyponasty Of Raphainus Cotyledons, E. P. Sheldon Jan 1891

Preliminary Notes On The Epinasty And Hyponasty Of Raphainus Cotyledons, E. P. Sheldon

Journal of the Minnesota Academy of Science

No abstract provided.


The Range And Distribution Of The Lower Silurian Fauna Of Minnesota With Descriptions Of Some New Species, F. W. Sardeson Jan 1890

The Range And Distribution Of The Lower Silurian Fauna Of Minnesota With Descriptions Of Some New Species, F. W. Sardeson

Journal of the Minnesota Academy of Science

No abstract provided.


A Meeting-Place For Two Floras, Charles E. Bessey Sep 1887

A Meeting-Place For Two Floras, Charles E. Bessey

Papers in Systematics and Biological Diversity

About half-way across the northern part of Nebraska, a few miles east of the 100th meridian, there is a very interesting botanical locality. A small stream starts at a point about twenty or twenty-five miles south of the Niobrara River, and runs northward through a deep and winding canyon to the river mentioned. The surrounding country is absolutely treeless. and the surface is in many places thrown up into rounded hills of what must have once been drifting sand. The canyon sides are very abrupt, and they descend in many places fully two hundred feet before the bottom is reached. …


Flora, Henry Newmark, Rosa Newmark, Special Collections, Fleet Library Jan 1887

Flora, Henry Newmark, Rosa Newmark, Special Collections, Fleet Library

Nature

1 volume, 7 pages, 6 plates of mounted plants. Title from cover. "To our beloved mother on the 33d anniversary of her birthday, as a token of our love, and a remembrance of our pleasant sojourn at Engelberg. Engelberg, Switzerland. August 24th, 1887."-- written in ink on first page. Signed, Henry M. Newmark, Rosa Newmark. Opposite each of the mounted plant specimens are numbered lists of the flowers and plants Latin names used in each construction. Green cloth binding with blind decorations, bevelled edges, frame, border with ivy leaf. Title and smaller printer's ornaments below embossed in gold. The Newmarks …


Some Early Philadelphia Botanists; Schweintz, Nuttall, Rafinesque And Darlington, W. E. Leonard Jan 1886

Some Early Philadelphia Botanists; Schweintz, Nuttall, Rafinesque And Darlington, W. E. Leonard

Journal of the Minnesota Academy of Science

No abstract provided.


Notes On Some Of The Rarer Plants Found In Blue Earth And Pipestone Counties, Minnesota, During The Summer Of 1882, John B. Leiberg Jan 1886

Notes On Some Of The Rarer Plants Found In Blue Earth And Pipestone Counties, Minnesota, During The Summer Of 1882, John B. Leiberg

Journal of the Minnesota Academy of Science

No abstract provided.


Notes On The Flora Of Western Dakota And Eastern Montana Adjacent To The Northern Pacific Railroad, J. B. Leiberg Jan 1886

Notes On The Flora Of Western Dakota And Eastern Montana Adjacent To The Northern Pacific Railroad, J. B. Leiberg

Journal of the Minnesota Academy of Science

No abstract provided.


Some Algae Of Minnesota Supposed To Be Poisonous, J. C. Arthur Jan 1886

Some Algae Of Minnesota Supposed To Be Poisonous, J. C. Arthur

Journal of the Minnesota Academy of Science

No abstract provided.


Some Notes Upon The More Recent Fossil Flora Of North Dakota And An Inquiry Into The Causes That Have Led To The Development Of The Treeless Areas Of The Northwest, John B. Leiberg Jan 1886

Some Notes Upon The More Recent Fossil Flora Of North Dakota And An Inquiry Into The Causes That Have Led To The Development Of The Treeless Areas Of The Northwest, John B. Leiberg

Journal of the Minnesota Academy of Science

No abstract provided.


Descriptions Of Iowa Uromyces, J. C. Arthur Jan 1886

Descriptions Of Iowa Uromyces, J. C. Arthur

Journal of the Minnesota Academy of Science

No abstract provided.


A Missionary's Notes On A Silicified Wood From Pyramid Park, L. J. Hauge Jan 1886

A Missionary's Notes On A Silicified Wood From Pyramid Park, L. J. Hauge

Journal of the Minnesota Academy of Science

No abstract provided.


Viola Pedata L., J. F. Collins May 1885

Viola Pedata L., J. F. Collins

Specimens by Name

No abstract provided.


The Pinetum Britannicum, Edward Ravenscroft Jan 1884

The Pinetum Britannicum, Edward Ravenscroft

Archives & Reprint Series (imprint)

The Pinetum Britannicum: A Descriptive Account of Hardy Coniferous Trees Cultivated in Great Britain was authored by Edward James Ravenscroft (1816-1890) during the time period of 1863 through 1884.

This first edition Pinetum Brittanicum is regarded as an important British study of pines. Edward James Ravenscroft’s exquisitely detailed illustrations exemplify the widely embraced enthusiasm for the art and science of capturing and classifying conifers during the 19th-century. Ravenscroft was a master in the field of natural history illustration, which is often called “art in the service of science.”


The Asparagus For Histological Study, Charles E. Bessey Nov 1881

The Asparagus For Histological Study, Charles E. Bessey

Papers in Systematics and Biological Diversity

I have for several years been wanting a good Monocotyledon for histological study in the botanical laboratory, one which should be for its sub class what the pumpkin is for the dicotyledons. The indian corn, which is commonly used, is too difficult, and too greatly specialized a type, exhibiting as it does the peculiar nodal structure of the stem of the Grarninex, rather than the structure of the stem of monocotyledons in general. A good representative stem. and one which can be obtained everywhere in good condition, from early spring until the end of the season, is the asparagus. …


A Single Dendrometer, Charles E. Bessey Mar 1881

A Single Dendrometer, Charles E. Bessey

Papers in Systematics and Biological Diversity

A dendrometer is constructed essentially as follows: A tube, t, about two inches in diameter, and nearly or quite a foot in length, is supported in a vertical position by two pins, pp, near its upper end; and these pins rest upon a ring, r forming a simple gimbal which allows the tube by its own weight to assume an exactly vertical position. In the lower end of the tube two mirrors, A and B, are placed side by side, each occupying one half of the section of the diameter of the tube. One of these mirrors …


The Supposed Dimorphism Of Lithospermum Longiflorum, Charles E. Bessey May 1880

The Supposed Dimorphism Of Lithospermum Longiflorum, Charles E. Bessey

Papers in Systematics and Biological Diversity

The plant under consideration is a common herbaceous perennial of the prairies and great plains of North America. In the latter part of April and during the month of May it produces flowers with bright yellow salver-shaped (hypocraterimorphous) corollas, whose tubes are about thirty mm. (one and one-fifth inch) long, and from two to three mm. in diameter. About the first of June, in central Iowa, these large flowers suddenly disappear, and from this time forward until the autumn frosts, they produce only small cleistogamous flowers. The corolla lobes of the latter cohere somewhat, and remain closed, and …


The Yeast Plant, A. W. Abbott Dec 1878

The Yeast Plant, A. W. Abbott

Journal of the Minnesota Academy of Science

At the February meeting, 1879, Dr. Abbott read an illustrated paper on the microscopic nature of the Yeast Plant, of which the following is a synopsis.


Report Of The Committee On Botany For 1878, A. E. Johnson Dec 1878

Report Of The Committee On Botany For 1878, A. E. Johnson

Journal of the Minnesota Academy of Science

No abstract provided.


Report Of The Committee On Botany, For 1877, A. E. Johnson Dec 1877

Report Of The Committee On Botany, For 1877, A. E. Johnson

Journal of the Minnesota Academy of Science

No abstract provided.


Viola Pedata L., E. E. Miler May 1877

Viola Pedata L., E. E. Miler

Specimens by Name

No abstract provided.


The Filical Flora Of Minnesota, W. H. Leonard Dec 1876

The Filical Flora Of Minnesota, W. H. Leonard

Journal of the Minnesota Academy of Science

I have the pleasure of reporting the following list of Ferns, with accompanying specimens, as observed by Miss E. W. Cathcart, of St. Paul. There are 30 species and 3 varieties.


Report Of The Committee On Botany: The Mycological Flora Of Minnesota, A. E. Johnson Dec 1876

Report Of The Committee On Botany: The Mycological Flora Of Minnesota, A. E. Johnson

Journal of the Minnesota Academy of Science

No abstract provided.


Plants Of Maine: Our Native Flora & Some Notes On Maine Cattle, F. Lamson Scribner Jan 1874

Plants Of Maine: Our Native Flora & Some Notes On Maine Cattle, F. Lamson Scribner

Maine Collection

Plants of Maine: Our Native Flora & Some Notes on Maine Cattle

by F. Lamson Scribner

Two articles originally published in "Agriculture of Maine 1874-5, 19th Annual Report of the Secretary of the Maine Board of Agriculture."

Contents:Ornamental and Useful Plants of Maine / Some Notes on Maine Cattle


Sensitive Stamens In Portulaca, Charles E. Bessey Jul 1873

Sensitive Stamens In Portulaca, Charles E. Bessey

Papers in Systematics and Biological Diversity

Two years ago my attention was first called to the sensitiveness of the stamens of Portulaca grandiflora, by observing a peculiar motion in them, while a small wild bee was engaged in gathering honey, and perhaps pollen, from the flowers. Upon trial I found that I could, by touching the stamens, make them move through quite considerable arcs of circles. I pursued the investigation somewhat farther at the time, but on account of a pressure of work was compelled to drop it. Last year I again made some examinations which confirmed my previous observations, but declined calling special attention …


George Southard Botany Book, George F. Southard Dec 1870

George Southard Botany Book, George F. Southard

Rare Books and Manuscripts

Collection of 87 pressed botanical specimens, collected primarily in the vicinity of Gambier, Ohio, between April and June, 1871 by George Franklin Southard, Kenyon College student in the class of 1873. Includes incomplete index. Inscription: "Given to Harry E. Southard, June 15, 1907.