The mutation theory; experiments and observations on the origin of species in the vegetable kingdom . Fig. 43. Antirrhinum ma jus. A, Peloric flower from themiddle of an otherwise normal raceme, August slips of the corolla stand erect; the other three arebent downward. B,Normal flower of the same spike. vulgaris hernipeloria (Fig. 41, p. 207), and as is shownby Antirrhimun ma jus (Fig. 43), etc. Of great impor-tance, also, is the hitherto little noticed fact that in Digi-talis and one or two other cases, the peloric terminalflower opens first of all, whilst the order of opening ofall
The mutation theory; experiments and observations on the origin of species in the vegetable kingdom . Fig. 43. Antirrhinum ma jus. A, Peloric flower from themiddle of an otherwise normal raceme, August slips of the corolla stand erect; the other three arebent downward. B,Normal flower of the same spike. vulgaris hernipeloria (Fig. 41, p. 207), and as is shownby Antirrhimun ma jus (Fig. 43), etc. Of great impor-tance, also, is the hitherto little noticed fact that in Digi-talis and one or two other cases, the peloric terminalflower opens first of all, whilst the order of opening ofall the other flowers on the stem is normal, i. e., acro-petal. ^EiCHLER, Bliithendiagramme, I, p. 208. Pfitzer, in Engler and Prantls Natilrl. PHanaen-Familicn:Orchid., p. 61. For further information on pelorias of Orchids seePenzig, Mem. Soc. naf. Sc. Cherbourg, Volj XXIX,, 1894, pp. 79-i04- Heritable Pelorias. - 225 Peloric flowers occur as chance anomalies in a largenumber of plants. A speciment of Scrophiilaria nodosawhich I have had growing for the last ten years pro-duced them abundantly. On t
Size: 1077px × 2319px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicagoopencourtpu
