Tab. LXXIII 



A. Adiantdm Cubense, Hook. — p. 8. 



Sterile and fertile frond ; nat. size. Fig. 1. Sorus ; magnified. 



B. Adiantum Shepherdi. Hook. — p. 9. 



Portion of the plant; nat. size. Fig. 1. Fertile pinna ; magni- 

 fied. 



