THE PTERIDOPHYTA OF THE JUAN HERNANDEZ ISLANDS Q 



Masatierra: Just below the gap between El Yunque and La Dania- 

 juana, c. 500 m (no. 160); North face of Co Piramide, narrow ledge, c. 



Fig. 3. Hymenophyllum cuneatum (Cav.) Pr. a typical cuneatum (no. 396), with enlarged sori, 

 indusium acute or rounded; in one are two sori; b large polyanlhos-Wkt frond with enlarged tip, 

 showing acute indusia (no. 285); c blunt sorus from a plant like the former (no. 66); d poly- 

 atithos-YxVe frond with winged stipe (no. 1145); e—f rariforme with stipe and indusiam of dif- 

 ferent types (no. 1143); g small rariforme (no. 146); h f. imbricata (no. 1178). 



All plants n2t. size. 



