The mutation theory; experiments and observations on the origin of species in the vegetable kingdom . 114 Atavism. a way that those on one side of a spike are uniform andthose on tlie other striped.^ Flowers which are insertedat the l)onn(laries of the two regions exhihit on one sidethe color of one sector and on the other half, the stripesof the other. A diagram of such a branch is shown inFie. 1^ in which the flowers Nos. 1. 4, 6, 9, and 11 aredark blue, Xos. 2, 5, 7, 10, 12, and 13 pale red with scat-.

---

Size: 1579px × 1582px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicagoopencourtpu