22 
THE FERNS OF SOUTH AFRICA 
East. — Boschberg (Guthrie, MacOwan); Bedford (Dr H. Becker). 
Raff. — Katberg (Holland); near Tyumie (F. H. Ely); Poutz’ Bush, 
Izeli, 3500 ft (T. R. Sim) ; Chenkwe Mtn, Umtata, 4000 ft 
(Flanagan, 2648); Cala (H. Royfife, 139); Engcoba (A. G. 
McLoughlin, hi). 
Natal. — Nottingham to Drakensberg (McKen) ; Umpumulo, rare, 
Riet Vlei, Cathkin, 3500 feet (Buchanan) ; Maritzburg (Wood) ; 
Zwaartkop (T. R. Sim); Nkandhla (Marriott); Umzimkulu, 4000 ft 
(R. Schl. 6636). 
Transvaal. — Macamac (McLea, No. 6) ; Lomati Valley, Barberton 
(Thorncroft) ; Pilgrim’s Rest (L. Collins, 973). 
(In the nursery catalogue of W. A. Manda, inc. South 
Orange, New Jersey, U.S. Amer., a fern is advertised as 
Polystichum varium and said to be introduced from South 
Africa. P. varium (L.) Pr. is from China and Japan, and 
no fern is known as P. varium in South Africa.) 
Genus 12. Leptochilus Kaulf. 
Fertile and barren fronds different (both pinnate in our 
species) ; main veins none or indistinct ; veins anastomosing 
freely ; sori abundant, produced in a dense mass without 
indusium. Over 60 species, formerly included in Acrosti- 
chum. Only one species is known to us as South African, 
others occur in tropical America, Asia, and Australia, and in 
tropical Africa and Madagascar. 
43. Leptochilus Heudelotii (Bory) C. Chr. 
Plate 33. A Barren frond. B Fertile frond. 
Rhizome long, creeping. P'ronds pinnate, subcoriaceous, 
glabrous, one and a half to two feet long, six to nine inches 
wide ; pinnae numerous, sessile, lanceolate, entire ; three to 
five inches long, the barren fronds half inch wide or more, 
the fertile fronds much narrower. Veins anastomosing, in- 
distinct. Sori abundant, matted, without indusium. 
L. Heudelotii (Bory). C. Chr. Ind. 11, 1905; 385, 1906. 
Acrostichum Heudelotii. Hk. 1864; Syn.Fil. 422. 
Chrysodium Heudelotii (Bory). Kuhn, Fil. Afr. 51, 1868. 
Gymnopteris Heudelotii Bory. Fee, Acrost. 84, t. 45, 1845. 
