Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Томови 63-64American Philosophical Society, 1924 |
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Страница 240
... seedlings appeared from which 376 rosettes developed , and 363 plants reached maturity . The culture as rosettes separated into two groups , 108 plants with obtuse pointed leaves and 268 plants with acute pointed leaves . From the ...
... seedlings appeared from which 376 rosettes developed , and 363 plants reached maturity . The culture as rosettes separated into two groups , 108 plants with obtuse pointed leaves and 268 plants with acute pointed leaves . From the ...
Страница 241
... Seedlings . Cotyledons broad at base and almost sessile . Mature rosettes . 4-5 dm . broad . Leaves broadly elliptical or spatu- late with sinuate margins , irregu- larly toothed below , strongly crinkled . Midveins white , in some ...
... Seedlings . Cotyledons broad at base and almost sessile . Mature rosettes . 4-5 dm . broad . Leaves broadly elliptical or spatu- late with sinuate margins , irregu- larly toothed below , strongly crinkled . Midveins white , in some ...
Страница 243
... seedlings , a germination That this was a low percentage and a poor germination was proved later by germinating in a Petri dish a set of only 46.6 per cent . 10 cm . 15.53a neo - Lamarck- FIG . 2. Mature rosette of the F3 plant 15.53a ...
... seedlings , a germination That this was a low percentage and a poor germination was proved later by germinating in a Petri dish a set of only 46.6 per cent . 10 cm . 15.53a neo - Lamarck- FIG . 2. Mature rosette of the F3 plant 15.53a ...
Страница 244
of 644 seeds which gave 574 seedlings , a germination of 89.1 per cent . The rosettes , as in the F2 generation , were readily separated into two groups , 91 plants with obtuse - pointed leaves and 197 plants with acute - pointed leaves ...
of 644 seeds which gave 574 seedlings , a germination of 89.1 per cent . The rosettes , as in the F2 generation , were readily separated into two groups , 91 plants with obtuse - pointed leaves and 197 plants with acute - pointed leaves ...
Страница 247
... seedlings with their empty seed coats were removed from the Petri dishes as germination proceeded and the seedlings set out in pans . The remaining ungerminated seeds , after 30 days in the Petri dishes , were tested for contents by ...
... seedlings with their empty seed coats were removed from the Petri dishes as germination proceeded and the seedlings set out in pans . The remaining ungerminated seeds , after 30 days in the Petri dishes , were tested for contents by ...
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acid aecia amendment Amer American Arnold and Hannibal Arth Astoria average basal metabolism Bolivia Bornholm Bornholmsk Brazil cells cent Chile collection Congress connection Conrad Constitution crust culbertsoni curve depth Dinictis endosmose Eocene fauna formation fossils Gabb Girl Scout groups Henn Holway Hoplophoneus hydration Hyracodon impedance increase indicated kilograms Lamarckiana layer Leidy lower concretionary zone MASTODONTS measurements Mesohippus metabolism meters method Miocene Miohippus NaCl NaOH neo-Lamarckiana Nutrition Laboratory ohms Oligocene Oreodon Oreodon beds Panicum paper Paspalum Paulo pelidisi permeability Pittsburgh plants plasmatic Pliocene pneumonia population prediction present pressure Princeton probably Proc proposed Puccinia railroads ratification referred to height represent Reset rosettes rusts São Paulo sitting height squared skull solution species specimen Speg Spegazzini spores Stipa surface Table Telia teliospores terminals tetrad thick tion U. S. Geol upper Uredo
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