The mutation theory; experiments and observations on the origin of species in the vegetable kingdom . Fig. 10. Madia clcgans. Fig. II. A, B, Chclidonium ma juslatipctalum. C, D, CJiclido)iiumniajus. crown instead of an open cross. I found it to be con-stant through several generations. The constancy of the fasciated variety of Myosofisalpestris; Victoria with its broad, many-petalled centralflowers, is likewise well known, as is also that of Linaria Examples of Constant Races. 87 vulgaris tvicalcarca,^ of many glabrous forms like Lych-nis zcspcrtina glabra, of thornless types like Datura Stra-
The mutation theory; experiments and observations on the origin of species in the vegetable kingdom . Fig. 10. Madia clcgans. Fig. II. A, B, Chclidonium ma juslatipctalum. C, D, CJiclido)iiumniajus. crown instead of an open cross. I found it to be con-stant through several generations. The constancy of the fasciated variety of Myosofisalpestris; Victoria with its broad, many-petalled centralflowers, is likewise well known, as is also that of Linaria Examples of Constant Races. 87 vulgaris tvicalcarca,^ of many glabrous forms like Lych-nis zcspcrtina glabra, of thornless types like Datura Stra-monium incrmis- etc., all of which I have tested per-sonally. Space docs not permit of the compilation hereof anything like a complete list of constant varieties.
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