A'll 



THE BRYINEyE 



195 



embryo grows for a long time. In the lower cell the divisions 



B. 2. 



Fig. 94. — Fimaria liygromctrica (Sibth.). Development of the embrj-o. A, Optical section of a very 

 young embryo ; B, C, surface view and optical section of an older one, X6oo ; C, D, longitudinal 

 sections of the apex of older embryos, X 600 ; en, endothecium ; am, amphithecium. 



are somewhat less regular, but here also it is not uncommon 



