4i6 



MOSSES AND FERNS 



CHAP, 



B. 



-M 



Fig. 242. — Asolla Uliculoides. A, Mature sporophyte, X2; B, lower surface of a branch 

 with two microsporangial son {sp), X6; C, macrosporangial (mo) and microspo- 

 rangial (mi) sori, Xio, 



