DESCRIPTIONS OF THE SPECIES 253 
like the frond, except the margin, which is scarious and 
entire. Veins free, slightly forked, parallel. 
Pteris longifolia. Linn. Sp. 1531; Hk. Sp. 2, 157; Hk. and Bkr, 
Syn. Fil. 153; Kuhn, Fil. Apr. 83; Sim, Ferns of S. Afr., 1st ed., 
106 ; C. Chr. Index , 601. 
Pteris costata. Bory. 
Pteris ensifolia . Swartz. 
Thunberg’s Pteris cuspidata may have belonged to this, 
but is set down by Kuhn and by Christensen as barren fronds 
of Angiopteris (Marattia). 
Throughout the tropics and a little beyond ; nowhere 
common in S. Africa, but scattered, growing beside open 
running water. 
East. — Alexandra Forest (Holland) ; Uitenhage, possibly naturalised 
(MacOwan). 
Kaff. — Komgha (Flanagan). 
Natal. — Hot springs at Inhlimbiti, 2500 ft alt.; Field’s Hill; Weenen 
Thorns; Cathkin ; Inanda (Buchanan); Verulam; Umlaas (Wood); 
Zwaartkop (T. R. Sim). 
Transvaal. — Magalisberg (Burke); Macamac (McLea); Pretoria, 
Aapie’s Poort (Dr Rehmann, 4047) ; Malmanie stream (Burtt- 
Davy, 69); Selati Goldfields (Junod, 1040); Zeerust (Mrs Potts, 
4247); Rustenburg (M. Collins, 981); Barberton (P. Oranjie, 412); 
Woodbush and Waterval Onder (T. J. Jenkins, 975, 765); Waterval 
Boven (F. A. Rogers, 1 i3);,Scheerpoort (R. Leendertz, 748). 
Rhodesia. — Umtali and Mazoe (J. F. Darling, Holland, Mrs Bennett, 
Jas. Sim); Matopo Hills, common (Miss Gibbs); Talagura River, 
Mazoe, 4300 ft (E. Eyles); Bulawayo (Eyles, 66). 
Portuguese East Africa. — Umbelusi Poort (T. R. Sim). 
142. Pteris cretica Linn. 
Plate 126. Small frond, nat. size, b Sporeling plant. 
Rhizome shortly creeping, naked, subterranean. Fronds 
glabrous, simply pinnate, but with lower pinnae forked ; six 
to twelve inches long, four to ten inches broad, on a glabrous, 
green, furrowed stipe, one foot or more long. Pinnae two to 
five opposite pairs, sessile, linear-lanceolate, pointed, sharply 
serrate when barren, with white teeth or teeth connected into 
a white margin. Lower pinnae largest, with one to two linear 
pinnules forking from them on the lower side. Upper three 
pinnae connected at the base, and slightly decurrent, the rest 
