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 16
... importance in the production of root hairs , but has as yet merely made that preliminary statement . SCHWARZ ( 75 , p . 158 ) reports that optimum temperatures ( 27-28 ° C. ) do not overcome the inhib- itory effect of water , as the ...
... importance in the production of root hairs , but has as yet merely made that preliminary statement . SCHWARZ ( 75 , p . 158 ) reports that optimum temperatures ( 27-28 ° C. ) do not overcome the inhib- itory effect of water , as the ...
Página 19
... importance when speaking of the effect of growth upon the production of root hairs to indicate the effective stage . When the statement is made that slowing the growth of a root favors the production of root hairs ( 51 , 52 , 11 ) , the ...
... importance when speaking of the effect of growth upon the production of root hairs to indicate the effective stage . When the statement is made that slowing the growth of a root favors the production of root hairs ( 51 , 52 , 11 ) , the ...
Página 25
... important influence , the quartz being less compact and therefore drier than the garden soil . Other experiments showed slower growth in air and quartz than in soil or water . The behavior of roots of Elodea in the substratum has been ...
... important influence , the quartz being less compact and therefore drier than the garden soil . Other experiments showed slower growth in air and quartz than in soil or water . The behavior of roots of Elodea in the substratum has been ...
Página 28
... important factor . C. Osmotic solutions . In connection with the experiments with osmotic solutions , cleaned sand was saturated with solutions of lactose , saccharose , and glucose of a concentration which allowed the zone of hairs to ...
... important factor . C. Osmotic solutions . In connection with the experiments with osmotic solutions , cleaned sand was saturated with solutions of lactose , saccharose , and glucose of a concentration which allowed the zone of hairs to ...
Página 33
... important factor . Comparing corn and wheat in their ability to produce hair in water , we find that under apparently the same conditions the former grows smooth , while the latter pro- duces long and abundant hairs . We may be dealing ...
... important factor . Comparing corn and wheat in their ability to produce hair in water , we find that under apparently the same conditions the former grows smooth , while the latter pro- duces long and abundant hairs . We may be dealing ...
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Página 400 - Orders for service of less than a halfyear will be charged at the single-copy rate. ^[Postage is prepaid by the publishers on all orders from the United States, Mexico, Cuba, Porto Rico, Panama Canal Zone, Republic of Panama, Hawaiian Islands, Philippine Islands, Guam, Samoan Islands, Shanghai.
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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...
Página 159 - YEARS by MILLIONS of MOTHERS for their CHILDREN while TEETHING, with PERFECT SUCCESS. It SOOTHES the CHILD. SOFTENS the GUMS, ALLAYS all PAIN; CURES WIND COLIC, and is the best remedy for DIARRHOEA. Sold by Druggists in every part of the world. Be sure and ask for "Mrs. Winslow's Soothing Syrup,
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