AN ENUMERATION OP CULTIVATED FERNS. 



149 



generally below its apex. Receptacles punctiform. Sori round. 

 Indusium orbicular or subrenifonn. 



1. Vernation fasciculate, caudex erect. 



(Polysticlium vei"um.) 4. 



* Fronds pinnate. 



1. P. acrostichoides, Schott. Aspidium 



acrostichoides, Sw.; Lowe's Ferns, 

 6, 1. 19. Aspidium auriculatum, 

 Schk. Fil. t. 30. North. America. 



2. P. falcinellum, Presl. Aspidium falci- 



nellum, Sw.; Lowe's Ferns, 6, t.7. 

 Hook. Fil. Exot. t. 53. Madeira. 



3. P. mucronatum, Presl. Aspidium 



mucronatum, Sw. ; Sclik. Fil. 

 t. 29 B, C; Hook. Sp. Fil. 4, 

 t. 216. Jamaica. 



4. P.Lonchitis,Eo^; Schott, Gen. Fil.t.9; 



Lindl. and Moore's Brit. Ferns, 

 t. 9 ; Sowerly's Ferns, 1. 15. Poly- 

 podium Lonchitis, Linn.; Eng. 

 Sot. t. 797. Aspidium Lonchitis, 

 Sw.; Sclik. Fil. t. 29; HooJe. 

 Brit. Ferns, t. 9. Europe, 

 Britain. 



5. P. trianguhim, Fee. Polypcdium 



triangulum, Linn. (Plum. Fil. 

 t. 72). Aspidium triangulum, 

 Sw.; Hook. Fil. Exot. t. 33. 

 Aspidium trapezoides, Sw. As- Genus 74. Portion of 



. ,. _ , mature frond, under 



pidium mucronatum, Loiue s side. NO. 11. 



Ferns, 6, t. 31 B (non Sw.). 



Var. laxum, Lowe's New Ferns, p. 143. 

 West Indies. 



6. P. obliquum, /. Sm. Aspidium obliquum, Don. Aspidium 



cjfispitosum, Wall. ; Hook. Sp. Fil. 4, t. 213. Nepal, 

 Japan. 



** Fronds bipinnate. 



7. P. aculeatum, Both; Lindl. and Moore's Brit. Ferns, 



1. 10 ; Sowerby's Ferns, 1. 17. Polysticlium aculeatum, 



