EXPLANATION OF THE PLATES 
(Photographs by Cortes) 
Plate II. Cyathea subdimorpha Copel. Sheet No. 651911, U. S. National 
Herbarium (type) . 
III. Athyrium pulcherrimum Copel. Sheet No. 652520 U. S. National 
Herbarium (type). 
IV. Athyrium suhscabrum Copel. Sheet No. 652805 U. S. National 
Herbarium (type). 
145 
