Botanical Gazette, Volumen40John Merle Coulter, M. S. Coulter, Charles Reid Barnes, Joseph Charles Arthur University of Chicago Press, 1905 Publishes research in all areas of the plant sciences. |
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Página 29
... obtained by BENECKE ( 5 , p . 24 ) with Lunularia buds , when he used different kinds of glass for the vessels . Considering such sources of error my results could only be considered as suggestions for further inves- tigation . Among ...
... obtained by BENECKE ( 5 , p . 24 ) with Lunularia buds , when he used different kinds of glass for the vessels . Considering such sources of error my results could only be considered as suggestions for further inves- tigation . Among ...
Página 35
... obtain quantitative results . The oxygen pressure was considered approximately one - half , and the roots indicated about the limit of hair production , showing irregular patches and scattered hairs with bare spaces . Repetition of the ...
... obtain quantitative results . The oxygen pressure was considered approximately one - half , and the roots indicated about the limit of hair production , showing irregular patches and scattered hairs with bare spaces . Repetition of the ...
Página 37
... here , I suppose first , in the corn roots growing with diminished oxygen supply , that the growth of the epidermal cells is decreased . The inner cells on the other hand may obtain oxygen from 1905 ] 37 SNOW - DEVELOPMENT OF ROOT HAIRS.
... here , I suppose first , in the corn roots growing with diminished oxygen supply , that the growth of the epidermal cells is decreased . The inner cells on the other hand may obtain oxygen from 1905 ] 37 SNOW - DEVELOPMENT OF ROOT HAIRS.
Página 38
... obtain oxygen from the aerial parts , and thus with less moisture be able to keep pace with the epidermal cells growing with more moisture and less oxygen . In ordinary air the moisture and the oxygen reach the epidermal cells more ...
... obtain oxygen from the aerial parts , and thus with less moisture be able to keep pace with the epidermal cells growing with more moisture and less oxygen . In ordinary air the moisture and the oxygen reach the epidermal cells more ...
Página 78
... obtained by SACHS and NOLL especially , he finds it no longer permissible to regard any position as leaving the organ insensible to the geotropic stimulation . The thesis maintained by NOLL that the normal vertical position of an organ ...
... obtained by SACHS and NOLL especially , he finds it no longer permissible to regard any position as leaving the organ insensible to the geotropic stimulation . The thesis maintained by NOLL that the normal vertical position of an organ ...
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acid algae apex appear ascus BOTANICAL GAZETTE branches buds cents CHICAGO PRESS chromatin chromosomes color cotyledons cultures curves dark described dishes division embryo sac endosperm endospore enzyme exospore experiments flora flowers formation gametophyte genus germination glass growing growth hairs holdfasts hyphae Hypocrea alutacea illustrated laboratory Lake Lantern Slides later layer leaf leaves light LITHIA WATER longa longis megaspore mitosis mother cell nitrogen nucleus Oaxaca occur organs oxygen paper peat PIANO plants plates pollen pollen tube postpaid present primordia Professor proteids protoplasm published PUCCINIA removed rhizobia rhizoids roots Salix Sceptridium seedlings seeds shoots shown shrubs societies soil solution species specimens Sphaeria spindle spirem sporangium spore membrane spores stage starch stem substratum surface tamarack temperature tetrad tion tissue transpiration tube Typewriter Ueber University of Chicago vegetation York zone zoospores
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Página 358 - ... at the centre, looking along a radius, and along a side adjacent to it, starting at the centre again, taking the next radius and the next side, say in a right-handed sense of rotation, etc. But this explanation of the phenomenon of seeing the figure as a swastika is of no fundamental interest to us. It is of interest to us only in so far as it helps one to see that the expression "seeing the figure as a swastika...
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