DESCRIPTIONS OF THE SPECIES 
21 1 
107. Pellaea Doniana (J. Sm.) Hooker. 
Plate 102. Nat. size. 
Frond simply pinnate or slightly more divided, oblong- 
lanceolate, coriaceous, glabrous except the rachis which is 
pubescent. Pinnae eight to fifteen pairs, two to four inches 
long, half to one inch wide, shortly stalked, rounded at the 
base, tapering above. Mid-rib black and polished on the 
under surface. Not unlike P. viridis , var. macrophylla , but 
more rigid, with pubescent rachis and black polished mid-rib. 
Apparently distinct. 
P. Doniana (J. Sm.). Hk. Sp. 2, 137, 1858 ; Hk. and Bkr, Syn. Fil. 
152; C. Chr. Ind. 479. 
Platyloma. J. Smith. 
Tropical Africa and the Seychelles. 
Rhodesia. — Umtali (Mrs Bennett). 
Zambesia and Angola ( Synopsis Filicum). 
108. Pellaea hastata (Thbg) Prantl. 
Plate 100. Nat. size. 
Crown tufted, shaggy, with long, narrow, linear brown 
scales. Frond two to three-pinnate, deltoid, six to eight 
inches long, four to six inches broad, with a stout stipe of 
three to four inches, which is slightly paleaceous, with ad- 
pressed woolly scales below, but in the upper part, rachis, 
and petioles, quite naked, wiry, and shining black. Lower 
pinnae deltoid, erecto-patent, with three to five pairs of 
pinnules, or sometimes these are again pinnate; pinnules 
distinctly though shortly stalked, two to six lines broad 
and long ; cordate, ovate-deltoid, hastate, or three-lobed, 
but generally from a cordate base, and always more or less 
rounded at the point ; very thick in texture, glaucous, and 
glabrous. Terminal pinnule of each pinna not much different, 
but generally three-lobed. Involucre quite marginal, narrow, 
membranaceous, entire, not opening out flat when mature. 
14—2 
