4i6 



MOSSES AND FERNS 



CHAP. 



B. 



a-Ki 



Sp. 



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

 with two microsporangial sori (sp), X6;, C,, macrosporangial {ma), and raicrospo- 

 rangial (mi) sori,, XiQ» 



