Botanical Gazette, Volumes 11-12University of Chicago Press, 1886 |
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Page 11
... figures of the plate are drawn larger ( 460 diameters ) for the purpose of securing clearness of detail . The spores are elliptical in optical section , and the extine is so thin and so free from the customary markings of pollen ...
... figures of the plate are drawn larger ( 460 diameters ) for the purpose of securing clearness of detail . The spores are elliptical in optical section , and the extine is so thin and so free from the customary markings of pollen ...
Page 12
... figures 1-4 . In some cases , as in figure 4 , the generative nucleus is seen almost to encircle the contents of the pollen - spore . In figures 5 and 6 is seen the small cell cut off from the larger one , containing the generative ...
... figures 1-4 . In some cases , as in figure 4 , the generative nucleus is seen almost to encircle the contents of the pollen - spore . In figures 5 and 6 is seen the small cell cut off from the larger one , containing the generative ...
Page 13
... figures 9 , 10 , 11 , etc. , the coiled posterior end being brought into view in figure 13. Owing to the size of the generative nucleus it was hoped that its division could be demonstrated , but such was not the case . Although in some ...
... figures 9 , 10 , 11 , etc. , the coiled posterior end being brought into view in figure 13. Owing to the size of the generative nucleus it was hoped that its division could be demonstrated , but such was not the case . Although in some ...
Page 14
... ( figure 16 ) . Sometimes , in strong and rapidly developing tubes which had attained considerable length , the in ... figures 12 and 13 , and finally became knotted up at the tube end of the spore . In conclusion , then , the results ...
... ( figure 16 ) . Sometimes , in strong and rapidly developing tubes which had attained considerable length , the in ... figures 12 and 13 , and finally became knotted up at the tube end of the spore . In conclusion , then , the results ...
Page 15
... ( figure 1 ) , and do not again descend . Until ten o'clock in the morning most of them are still able to crawl about when disturbed , but are sluggish . By noon the insect dies , and the rhizoids fasten it firmly to the sup- port . Some ...
... ( figure 1 ) , and do not again descend . Until ten o'clock in the morning most of them are still able to crawl about when disturbed , but are sluggish . By noon the insect dies , and the rhizoids fasten it firmly to the sup- port . Some ...
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Common terms and phrases
abundant Acad algæ American apex appearance Asa Gray bacteria base Botanical Club botanists branches bulliform cells capsule Carex carpel characters chlorophyll collected color corolla Coulter cryptogams cultures cymes diameter dioicous dorsal ducts epidermal epidermis feet ferns fibro-vascular flora Florida flowers fruit fungi fungus GAZETTE genera genus glumes grasses Gray growing growth Gymnosporangium herbarium inches long insects interest islands Jour Journal laboratory lanceolate lateral layer leaf leaves less lichens lines long Linn Linnæus Michx microscope monoicous mountain Musc Musci mycelium nearly North notes Nutt oblong obtuse oil-ducts operculum ovate panicle paper pedicels petals plants plates pollinia pollinium Prof Professor published region ribs Rocky root seeds sepals side slender species specimens spikelets spores stamens stems stigma stomata strengthening cells sucrose thick thin-walled tion tissue Torr trees upper Vasey vegetable walls wood
Popular passages
Page 78 - Away to the Dismal Swamp he speeds — His path was rugged and sore, Through tangled juniper beds of reeds, Through many a fen, where the serpent feeds, And man never trod before.
Page 3 - A Notice of Some New, Rare, or Otherwise Interesting Plants, from the Northern and Western Portions of the State of New York.
Page 195 - Europe, and in 1886 the degree of LL. D. was conferred on him by the University of North Carolina.
Page 282 - The Cayuga Flora, Part I.: A Catalogue of the Phaenogamia Growing without Cultivation in the Cayuga Lake Basin," Bulletin of the Cornell University (Science), Vol. II., 1886, Andrus and Church. Ithaca, NY ' Ithaca Daily Chronicle, Dec. 22, 1846, Vol. I., no. 140. During the last half of February and the first of March, 1875, ice thirteen inches thick covered the entire lake. On February 15, 1884, the lake again froze over completely and remained...
Page 27 - Genera, which he had got half printed from Holland, to be written against him ; but he afterwards detained him a month, without leaving Linnaeus an hour to himself the whole day long ; and at last took leave of him with tears in his eyes, after having given him the choice of living with him till his death, as the salary of the Professorship was sufficient for them both.
Page 242 - ... the microbes ; or a substance essential to the growth of these microbes might be excreted or in some way lost or destroyed during this period ; or, finally, the living matter of the body might acquire the power to resist or prevent the growth of the microbes. It is well known that Pasteur has adopted the second or exhaustion theory and sustains it by his observations on the growth of microbes in culture liquids contained in flasks. If we sow chicken bouillon, he says, with the microbe of fowl...
Page 287 - Phalloids, or slink horn fungi, has recently been made by Dr. Fischer in which eleven genera and seventy-three species are recognized. The old genus Phallus is discarded. About a dozen species are recorded from North America, four from Europe, and seven from Asia. They arc most numerous in the southern hemisphere. IN THE LAST Bulletin of the Buffalo Society of Natural Sciences, Vol. V, No. 2, Mr. David F. Day gives a list of additions to his excellent catalogue of Buffalo plants. The Naturalists...
Page 187 - ... it is because the reproduction has assumed more and more a non-sexual character, until, as in some groups of what are called higher fungi, sexuality has quite disappeared, as is supposed to be the case in Basidiomycetes. It is sometimes said that non-sexual modes of reproduction always precede...
Page 173 - The palaeontological record of lower animals is more complete than that of lower plants so that, where the zoologist might reasonably form an hypothesis, the botanist must rely more on his imagination until, in the end, he finds himself in the possession of a chain composed to a considerable extent of missing links. As it is, if we would consider the evolution of plants, not getting much light on the progress of the lower forms from palaeontology, we are compelled to trust largely to plants as we...
Page 264 - Fruit oblong, flattened dorsally : carpel with 5 slender bristly primary ribs and 4 winged secondary ones, each bearing a single row of prominent barbed prickles...