Endosperm growth was normal for four days following hybridization of G. arboreum (2n = 26) as pistillate parent with G. hirsutum (2n = 52). On the fifth day after cross pollination, numerous ...

THIS learned and imposing monograph will in the course of time take its place alongside Dobell's "Leeuwenhoek' as one of the classics of the critical and historical literature of biology. We already ...