19 
27. Acrosticuum, L. (in part.) 
Venation uniform, reticulated, areoles small, elongated, usually tetragonat 
and parallel. Sporangia densely oecupying the terminal segments of 
the frond. Rhizoma erect, caudiciform. Fronds pinnate, 3-8 Seet high: 
pinnee eatire, linear-lanceolate, smooth, the terminal ones JSertile. 
1. A. aureum, Linn.; Plum. Fil. t. 104. 
Has. West Indies, Tropical America, East Indian and Polynesian 
Islands. Raised in 1838. 
28. PLatyceRIuM, Desv. 
(Acrostichi sp., Sw.) 
1. P. alcicorne, Desv.; Sw.; Hort. Kew. 
2. P. Stemaria, Desv.; Sw.; Hort. Kew. 
3. P. grande, J. Sm. Acrostichum grande, A. Cunn. 
Has. New Holland and Malayan Islands. Introduced by — Bidwill, 
Lisq., 1842. 
29. Cyrrocontum, J. Sm. 
(Acrostichi sp., Awct.) 
1. C. flagelliferum, J. Sm.; Wall.; Hook. et Grev. Ic. Fil. t. 28. 
Has. Kast Indies. Introduced in 1828 by Dr. Wallich. 
30. Gymnopreris, Bernh.; J. Sm. 
(Acrostichi sp., Auct.) 
1. G. nicotianzefolia, Pres?; Sw.  Acrostichum acuminatum, Wil/d.? 
Plum. Fil. t. 115. : 
Has. West Indies. Introduced by Mr. Nath. Wilson in 1843. 
Tribe III. PTERIDER, J. Sm. 
Section I. Cutrosorgs, J. Sy. 
31. CxerantHss, Sw.; J. Sm. 
* Micromere. Fronds pinnate or bi-tripinnate, segments small, usually 
concave. 
1. ©. micropteris, Sw.; Syn. Fil. p. 126 and 324. t. 3, £.5. 
Has. Quito. Received from M. H. Lowe in 1843. 
