The Encyclopedia Americana: A Library of Universal Knowledge, Količina 8Americana corporation, 1931 |
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Zadetki 1–3 od 84
Stran 231
... plant to the stigmas of another . Anemophilous plants are characterized by having dry and powdery pollen , which is very abun- dant and light and easily carried by the wind . In most cases also the pistils are large and feathery , with ...
... plant to the stigmas of another . Anemophilous plants are characterized by having dry and powdery pollen , which is very abun- dant and light and easily carried by the wind . In most cases also the pistils are large and feathery , with ...
Stran 232
... plants of flowers with different lengths of stamens and styles . Spren- gel noted that some plants in Hottonia bear only flowers whose anthers are included in the tube , but whose style is exserted ; while other plants bear only flowers ...
... plants of flowers with different lengths of stamens and styles . Spren- gel noted that some plants in Hottonia bear only flowers whose anthers are included in the tube , but whose style is exserted ; while other plants bear only flowers ...
Stran 291
... plants are small , six or eight plants should be allowed to remain in the hills until the vines are able to resist attack . Cultivation should be very thor- ough until the plants begin to run , when it should be confined to the space ...
... plants are small , six or eight plants should be allowed to remain in the hills until the vines are able to resist attack . Cultivation should be very thor- ough until the plants begin to run , when it should be confined to the space ...
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