13 
I. FERNS. 
Acrophorus. See Davallia. 
Acrostichum, L. 
A. acuminatum, Hooh Brazil. 
A. alienum, Sw. Tropical America. 
A. apodum, Kaulf. Tropical America. 
A. appendiculatum, Willd. Tropical Asia. 
A. aureum, L. Tropical and sub -tropical regions, 
A. Burchellii, Baker, Brazil. 
A. CaBnopteris, Kze, Tropical America. 
A. cervinum, Siv. Tropical America. 
A. conforme, Sw, Tropical and sub-tropical regions. 
Var. alatum {Fee), Tropical and sub-tropical regions, 
A, crassinerve, Kze. See latifolium. 
A. crinitum, L. Tropical America. 
A, crispatulum, Wall. See virens. 
A. decoratum, Kze. West Indies, Guiana, c^c. 
A. drynarioides, Hook, Penang, Solomon Isles. 
A. flagelliferum, Wall. Tropical Asia. 
A. gramineum. Baker. West Indies. 
A. Herminieri, Bory. West Indies. 
A. heteromorphum, Kl. Colombia, Ecuador. 
A. hybridum, Bory. Tropical Africa, Tropical America™ 
