118 



FERNS : BRITISH AND FOREIGN. 



43. GYMNOPTERIS, Bernh.; Pr.vl 



Vernation nniserial and sarmentose, or contiguous sub- 

 fasciculate and decumbent. Fronds simple, lobed or pinnate, 



Genus 43. — Portion of sterile frond, under si le. No. 9. 



from 6 incbcs to 2-3 feet high. Primary veins costseform; 

 venules compound anastomosing, with free variously directed 

 veinlets terminating in the areoles. Sporangia, amorphous. 



1. Or. qtiercifolia, Bemli.; Fred; Hoole. Ic. PI. i. 905; 



Hook. Fil. Exot. t. 80. Acrostichum quercifolium, 

 Betz. ; Sw. ; Sclik. Fil. t. 3. Gymnopteris Nicnerii, 

 Sort. — Ceylon. 



2. G. nieotiansefolia, Presl ; Fee, Acrost. t. 46. Acrostichum 



nicotianasfolium, Sw. ; Boole. Gard. Ferns, t. 26.— 

 West Indies. 



3. G. acuminata, Presl. Acrostichum acuminatum, Willd. ; 



(Plum. Fil. 1. 115).— "West Indies. ' 



4. G. aliena, Presl; Hoole. Gen. Fil. t. 85. Acrostichum 



alienum, Sw. ; Plum. Fil. 1. 10. — Tropical America. 



5. G. Gaboonense, /. 8m. Acrostichum (Gymnopteris) 



Gaboonense, Hoole. Sp. Fil. 5, p. 270. — Tropical 

 West Africa. 



