[10] Beitrage zur Biol. der Pflanzen., X, 1911, p. 379.
[11] One very peculiar feature was observed, namely, that all the new forms in F2 which were bred from came true. As I understand, this statement applied to five such new types, and they were represented by 76 individuals in F3, but further details on this point are desirable. Another curious fact was observed, namely that one of the F1 forms (cochleata × radiata) when fertilised by cochleata gave a highly polymorphic family, but fertilised by radiata the resulting offspring were almost uniform.
[12] I also had a few F1 seeds given me by Mr. R. H. Lock.
[13] In a paper about to appear in Jour. Linn. Soc. Mr. A. W. Sutton identifies this Palestine pea as Pisum humile of Boissier and Noé.
[14] Lloyd, R. E., The Growth of Groups in the Animal Kingdom, London, 1912.