Contributions from the Botanical Laboratory of the University of Pennsylvania, Volume 2

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University of Pennsylvania Press, 1904 - Botany
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Page 235 - Prison Statistics of the United States for 1888. By ROLAND P. FALKNER. 6. "The Principles of Rational Taxation. (Read at a meeting of the Association, November 21, 1889.) By SIMON N.
Page 134 - We may now review the various opinions which have been held concerning the cause and meaning of these. Delpino4 believed that cleistogamic flowers have been developed in order to ensure the production of seeds under climatic or other conditions, which tend to prevent the fertilization of the perfect flowers.
Page 231 - Information concerning courses offered in the College, as follows: Illustrated Descriptive Circular; A, Admission to College; B, Arts and Science; C, Finance and Economy (Wharton School); D, Biology; E, Music; F, Teachers...
Page i - Report of the Provost (published in January). Group II. — Serial Publications. Series in Philology, Literature and Archaeology. Series in Philosophy. Series in Political Economy and Public Law. Series in Botany. Series in Zoology. Series in Mathematics. Series in Hygiene. Series in Astronomy.
Page 420 - Near the type differs in habit of growth and range of distribution. Leaves rarely over 12 inches long, with a very narrow wing, erect hood, dark purple veined; the lamina covered with a fine silky pubescence, apparently confined to the mountains of South Carolina and Alabama. Alabama, DeKalb County, Look-out Mountain, bank of Little River, about 1,700 feet." In Heller's "Catalogue of North American Plants," Second Edition (1900), page 92, Sarracenia Catesbaei, Ell., is recorded. In Mohr's "Plant...
Page 255 - There were usually two types of granules present, one set which stained with haîmatoxylin, and contained "masked" iron and phosphorus and therefore resembled chromatin, but which became dissolved by artificial gastric digestion. These, which he called "granules of the first type," were hollow when they became large and divided at the time of cell division. They were usually found in the peripheral part of the central body, though they might extend to its central part or to the inner portion of the...
Page 236 - HARSHBERGER. 4. Structure of the Cork Tissues in Roots of some Rosaceous Genera. (With Plates.) By MARTHA BUNTING. 5. Structure and Development of Internal Phloem in Qelsemium Sempervirens, Alt.
Page 53 - ... primitive collateral bundle system prevails. 8. No internal phloem is present in the root. 9. A copious fungoid growth is found in the cortex of the root. Absorption of starch usually results in cells inhabited by the fungus. 10. No internal phloem is present in the lower portion of the hypocotyl, nor in the cotyledons. 1 1 . Two of the internal phloem patches of the stem arise just below the cotyledonary node, the other two just below the node bearing the first pair of leaves. 12. Internal phloem...
Page 418 - Hova by its darkly colored purple veins and heavy appendix. My specimens agree exactly with the figure in Catesby, to which I have referred, and were collected by Dr. Macbride along the margins of the rivulets amidst the high sand hills of Chesterfield district in South Carolina. The flowers I have not seen.
Page 232 - II consists of a number of serial publications in the several fields of literature, science and philology. They are issued in separate series at irregular intervals (for the most part), and represent the results of original research by, or under the direction of, members of the staff of instruction of the University. A complete list of these publications to date, with prices attached, is printed at length following. They are published under the supervision of the University Publication Committee....

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