POLYPODIACEAE. 27 



889 H. L.B. 904, 336~5. 6, 7 named : A. hirtum Splitg. in Tijdschrift 



VII. p. 428. 

 Upper Saramacca River, near Janbasigado : Pulle 167. 

 Lower Coppename River: Went 146. 

 Upper Coppename River, near Raleigh-falls : Boon 1022. 

 Upper Nickerie River: Tulleken 449 H. L. B. 903, 322 — 1560. 

 Surinam: Focke 1088; Hostmann 843; Kappler 1732. 

 All tropical America and Africa. 



Adiantum pulverulentum Linn. Spec, plant. 1559. 



Lawa River, near Cottica Mountains : Versteeg 340. 



Upper Nickerie Rivet: Tulleken 407 H. L. B. 903, 322 — 1510. 



All tropical South-America. 



Adiantum villosum Linn. Spec, plant. 1558. 



Paramaribo, near Poelepantje: Kegel ex Kze 1. c. 223. 

 All tropical America. 



Adiantum dolosum Kze. Linnaea XXI 219. 



Upper Surinam near Bergendal: Focke 1291, 13 18. 



Saramacca River, near Maripaston: Kegel 1382 ex Kunze 1. c. 



Guyana. 



PTERIS Linn. 



Pteris deflexa Link. Hort. Berol. II. 30. 

 Surinam: Menze ex Baker 1. c. 402. 

 All tropical South-America. 



Pteris denticulata Swartz. Prodr. 129. 

 var: (3. brasiiiensis (Raddi) Baker 1. c 410. 

 Pteris brasiiiensis Raddi Syn. fil n. in. 



Lawa River, near Cottica: Versteeg 328. 



Brazil : West-Indian Islands. 



Pteris aculeata Swartz. Prodr. 129. 

 var. P. propinqua (Ag.) Baker 1. c. 412. 

 Pteris propinqua Agardh. Rec. Pter. 65. 



Paramaribo, near Poelepantje: Kegel 86 ex Kze 1. c. 217., named: 



Pteris biformis Splitg erb er . 

 Upper Surinam district, near plant. Merveille : Splitgerber, named : 



Pteris biformis Splitg. in Tijdschrift VII. p. 422. 

 Surinam: Hostmann 730. 

 All tropical America. 



PTERIDIUM Gled. 



Pteridium aquilinum (L) Kuhn ex Diels Nat. Pflanzenf. I. p. 296. 

 Pteris aquilina Linn. 



