Botanical Gazette, Volumes 11-12University of Chicago Press, 1886 |
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Page 12
... length , when it can be seen shifting its position towards the side of the pollen- spore from which the tube is developing ( figure 8 ) . The stream- ing movement of the protoplasm , which carries the nuclei into the tube , was not ...
... length , when it can be seen shifting its position towards the side of the pollen- spore from which the tube is developing ( figure 8 ) . The stream- ing movement of the protoplasm , which carries the nuclei into the tube , was not ...
Page 14
... length , the in- tine of the pollen - spore seemed to be pulled away from the extine , or as though it had fallen in or was pushed in by external pres- sure which the more rigid extine resisted , as shown in figures 12 and 13 , and ...
... length , the in- tine of the pollen - spore seemed to be pulled away from the extine , or as though it had fallen in or was pushed in by external pres- sure which the more rigid extine resisted , as shown in figures 12 and 13 , and ...
Page 15
... length when the in- sect is removed from the supporting object and placed in a damp atmosphere . They consist of straight colorless hyphae , with walls much distorted and ends somewhat flattened . The hymenium , which surrounds the ...
... length when the in- sect is removed from the supporting object and placed in a damp atmosphere . They consist of straight colorless hyphae , with walls much distorted and ends somewhat flattened . The hymenium , which surrounds the ...
Page 16
... length ( figure 4 ) . The protoplasm is filled with vacuoles , but does not all collect at the advancing ends of the hyphæ nor are there septa formed as in the closely related E. spharosperma Fres . Their behavior when germinated in ...
... length ( figure 4 ) . The protoplasm is filled with vacuoles , but does not all collect at the advancing ends of the hyphæ nor are there septa formed as in the closely related E. spharosperma Fres . Their behavior when germinated in ...
Page 33
... length for the species , while , as I have always observed , the leaves of young trees of P. mitis are generally longer , often considerably longer , than the normal length . The effect was to obscure the fact of the gradual appearance ...
... length for the species , while , as I have always observed , the leaves of young trees of P. mitis are generally longer , often considerably longer , than the normal length . The effect was to obscure the fact of the gradual appearance ...
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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...