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Abortive Stamens And Carpels In Lychnis Alba, Gus B. Ulvin
Abortive Stamens And Carpels In Lychnis Alba, Gus B. Ulvin
Electronic Theses and Dissertations
Botanists have long been interested in the manner of "sex expression" in plants. Some plant shave perfect flowers, that is, both sexes are expressed in a single flower, with no variation from this condition within the species. Other plants have flowers in which only one or the other sex is expressed, while still other plants occur in which "pure staminate or pure carpellate and all intermediate degrees" occur.
The Anatomy Of The Germinating Bulbil Of Lilium Tigrinum, Katherine Harris Tripp
The Anatomy Of The Germinating Bulbil Of Lilium Tigrinum, Katherine Harris Tripp
Electronic Theses and Dissertations
Apparently very little, if any, anatomical investigation has been made of the bulbil of Lilium tigrinum, though it has often been used as a propagating organ and consequently, the problem suggested attractive possibilities in an almost virgin field of investigation. Collections were made from five different plants beginning Sept. 27, 1928 until July 22, 1929. The older bulbils were removed from the axils of the foliage leaves and fixed in formalin acetic alcohol. They were gradually dehydrated by treatment with alcohol increasing the percentage 10% from 50 up to 100%. Xylol treatment in increasing percentages was then resorted to, until …