34$ 



LYCOPODIALES 



upper tier meanwhile progresses only slowly : two opposite leaves, one on 

 either side of the stem-apex, appear late as compared with other species, 



B. 



A -m 



FIG. 185. 



Embryos of Lycopodium Phlegmaria, in longitudinal section. p = foot ; c = cotyledon 

 T = apex of axis. The wall marked II. in A and B corresponds to the wall marked IV. in 

 Bruchmann's drawings (Figs. 183, 186) and to the wall b, b in Fig. 182. C and D represent 

 older stages : in D, the cotyledon (c) has been followed by a plumular leaf f\ and the apex 

 of the axis lies between them. A and B X 200. CX3J. Z>X2oo. (After Treub.) 



their position relatively to the foot and to the suspensor not being constant 

 (Fig. i86c). This is ascribed by Bruchmann 1 to inconstancy of the foot: 



l L.c., p. 46. 



