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 50
... tissue , occurs just about the time the carpels appear . The hypodermal layer gives rise to a primary parietal layer , and another homologizing with what is ordi- narily the primary sporogenous layer ( fig . 4 ) . The former divides ...
... tissue , occurs just about the time the carpels appear . The hypodermal layer gives rise to a primary parietal layer , and another homologizing with what is ordi- narily the primary sporogenous layer ( fig . 4 ) . The former divides ...
Página 51
... tissue appears in the stamens . The tips form a rounded lump or head with glandular epidermis over large portions of it , as in the Asclepiadaceae . The ovules are arranged in the same way as in the family just mentioned , and have the ...
... tissue appears in the stamens . The tips form a rounded lump or head with glandular epidermis over large portions of it , as in the Asclepiadaceae . The ovules are arranged in the same way as in the family just mentioned , and have the ...
Página 77
... tissues at 35-37 ° C. , and with a powder made from ground peas in a manner analogous to ALBERT'S acetone method for making zymase prepara- tions from yeast . Evidence of proteolytic activity was furnished by analyses showing a ...
... tissues at 35-37 ° C. , and with a powder made from ground peas in a manner analogous to ALBERT'S acetone method for making zymase prepara- tions from yeast . Evidence of proteolytic activity was furnished by analyses showing a ...
Página 79
... tissue clasping the bases of the cotyledons and stopping the opening made in the seed coat at germination . " - J . M. C. 9 LEWIS , I. F. , Notes on the development of Phytolacca decandra L. Johns Hop- kins Univ . Circ . No. 178. pp ...
... tissue clasping the bases of the cotyledons and stopping the opening made in the seed coat at germination . " - J . M. C. 9 LEWIS , I. F. , Notes on the development of Phytolacca decandra L. Johns Hop- kins Univ . Circ . No. 178. pp ...
Página 86
... tissues from the meristem in the root tips of Allium and attributes to the nucleus the power of amoeboid motion . KORSCHELT ( 12 ) describes in the egg of the water beetle Dytiscus a nucleus with pseudopodia- like processes extending ...
... tissues from the meristem in the root tips of Allium and attributes to the nucleus the power of amoeboid motion . KORSCHELT ( 12 ) describes in the egg of the water beetle Dytiscus a nucleus with pseudopodia- like processes extending ...
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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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