The mutation theory; experiments and observations on the origin of species in the vegetable kingdom . Fig. 96. Mercurialis annua. A lateral branch with spiraltorsion. All the leaves of the twisted region are situatedon one side of the stem. (Fig. 96). Fasciations also occurred in the latter andseveral other species, especially in Helianthus , pitcher formation seems often to be associatedv^ith syncotyly, either on the same individuals or amongst^Ber. d. d. hot. Cos., Vol. XII, he. cit., Hemi-Syncotyly, Syncotyly, Auiphi-Syncotyly. 465 other individuals of the same cnUiire (Fig.
The mutation theory; experiments and observations on the origin of species in the vegetable kingdom . Fig. 96. Mercurialis annua. A lateral branch with spiraltorsion. All the leaves of the twisted region are situatedon one side of the stem. (Fig. 96). Fasciations also occurred in the latter andseveral other species, especially in Helianthus , pitcher formation seems often to be associatedv^ith syncotyly, either on the same individuals or amongst^Ber. d. d. hot. Cos., Vol. XII, he. cit., Hemi-Syncotyly, Syncotyly, Auiphi-Syncotyly. 465 other individuals of the same cnUiire (Fig. 97). As in-stances I mention Merawialis annua, Anagallis grandi-flora, Antirrhinnni niajns, Fagus sylzafica, PolygonumFagopyruni, Spinacia olcvacca and Raphanus Raphanis- truni. Syncotyly is a heritable anomaly; it we isolate thestray syncotyls we will find the phenomenon repeated.
Size: 1324px × 1888px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicagoopencourtpu
