POLYPODIACKAE. 19 



Polypodium Hostmanni Klotzsch. Linnaea XX. p. 397 is a synonym of 

 this species. 

 All tropical America. 



Nephrodium serratum (Cav.) Diets 1. c. 179. 

 Meniscium serratum Cav. Praelect. 1803 p. 548. 

 Lower Surinam River near plant. Meerzorg: Focke 462. 

 Para district near Beekhuizen: Kegel 74 in ditches. 

 Upper Commewyne River: Focke 194. 

 Cottica district near Post Oranjewoud: Focke 556. 

 Upper Saramacca River on the riverside: Pulle 207. 

 Surinam : Splitgerber 1. c. 398. common in forests. 

 All tropical America. 



Nephrodium unitum (L.) R. Br. Prodr. Fl. Nov. Holl. 148. 

 Polypodium unitum L. spec, plant. 1548. 



Lower Surinam River, near plant. Geijersvlyt: Kegel 846 ex Kunze 



1. c. 232 (sub Aspidium gongylodes Schkuhr). 

 Paulus kreek : Focke 521. 

 All tropical countries. 



Nephrodium parasiticum (L.) Desv. Ann. Linn. Soc. Par. VI. 260. 

 Polypodium parasiticum L. Spec. Plant. 1551. 



Upper Tapanahoni River near Drie Tabbetje : Versteeg 671. 

 Lower Surinam River, near plant. Jagtlust: Went 85. 

 Lower Saramacca River near Groningen : Went 239. 

 Surinam: Focke 856, 1108, 1 173. 

 All tropical countries. 



DIDYMOCHLAENA Desv. 



Didymochlaena lunulata Desv. Mem. Soc. Linn de Par. VI. 282. 

 Lawa River near Cottica Mountains: Versteeg 303, 316. 

 All tropical countries. 



ASPIDIUM Sw. 



Aspidium trifoliatum (L) Sw. Syn. fil. 43. 

 Polypodium trifoliatum Linn. Spec, plant. 1547. 



Upper Saramacca River: Kegel 1431 in forests ex Kunze 1. c. 231. 

 Northern Brazil; French Guyana. 



Aspidium macrophyllum. Sw. Syn. fil 43. 



Lawa River near Cottica Mountains: Versteeg 326. 

 Lower Surinam River near plant. Jagtlust: Focke 461. 

 Paulus-kreek : Focke 461. 

 Paramaribo: Kegel 241. 



