POLYPODIACEjE. 43 



conspersis, margine reflexo subundulato ; soris uniserialibus solitariis 

 ovaUbus oblongisve squamis peltatis fuscis primum tectis, max nudis. 



Pleopeltis elongata, Kaulf. Enum. Fil. p. 246. 



Polypodium atro-punctatum, Gaud. Bot. Freyc. Voy. p. 346; Hook. & Am. Bot. 

 Beech. Voy. p. 103. 



Hab. Sandwich Islands : on trees, frequent. 



Bootstock short and creeping, about the thickness of a crow-quill, 

 covered with oblong, attenuated, reticulated scales. Stipes very 

 short or wanting. Fronds few, coriaceous, linear-lanceolate, elongated^ 

 acuminate, the base much attenuated, varying from 5 to 12 inches in 

 length and 3 to 6 lines in breadth, smooth on both sides, with scattered 

 and small black dots on the upper surface, and minute, scattered, 

 fugacious, dark brown, oblong, acuminate, reticulated, spinose-serrate 

 scales on the under surface ; the margin entire, reflexed, and slightly 

 undulate. /Sbri large, confined to the upper half of the frond; the 

 dark brown peltate scales covering them are very fugacious, and only to 

 be found on the young sori. 



3. Drynaria crassifolia, J. Sm. 



Drynaria crassifolia, J. Sm. in Hook. Jour. Bot. 4, p. 61. 



Polypodium crassi folium, Linn, ex Sw. Syn. Fil. p. 27; Willd. Spec. PL 5, p. 161; 



Kaulf. Enum. Fil. p. 93; Gaud. Bot. Freyc. Voy. p. 347; Velloz. Fl. Flum. 



11, t. 58. 

 P. coriaceum, Raddi, Plant. Brasil. p. 16, t. 25. 



Hab. Organ Mountains, Brazil : on trees. 



f | Sori superficiales, numerosi sed sparsi. 



4. Drynaria pulverulenta, Sp. Nov. 



D. frondibus confertis sessilibus coriaceis lanceolatis acuminatis basi 

 attenuatis margine integris reflexis, costa subtus prominente; soris 

 parvis approximatis. 



