Tab. LXXVIII. 



A. Htpolepis parallelogramma, Pr. 



Fertile ultimate pinna ; nat. size. Fig, 1. Fertile pinnule ; mag- 

 nified. 



B. Cheilanthes dealbata, Hook. 



Upper half of a fertile frond, and a lower pinna of the same 

 (upper side); nat. size. Fig. 1. Fertile lobe; magnified. 

 Fig. 2. Sorus ; more magnified. 



