Descriptions of the Species. 
179 
Var. propinquum, R. Br. (var. hirsuta, Mett.), differs from the 
type in having rachis and underside villose or hairy, and is 
recorded from Zambesi northward, but all our specimens are very 
slightly villose, or almost glabrous. 
Buchanan finds N. Plantianum, P. and R., from specimens in 
the Rawson Herb, to be this ; though maintained as a species by 
Kuhn. 
Nephrodium unitum. R. Br. ; Hk. and Bkr. Syn. Fil. 289 (not Seiber). 
Aspidium unitum. Mett.; Kuhn, Fil. Afr. 143. 
Aspidium Ecklonii. Kze. Linnaea, 10.546. 
Nephrodium Ecklonianum. Pappe and Rawson, 14. 
Nephrodium Plantianum. Pappe and Rawson, 14 ; Kuhn, Fil. Afr. 139 
(Buchanan, see above). 
Tropics of America, Asia, Australia, Africa, and African 
Islands ; growing in exposed swamps, or by streams ; local and 
rather rare in Cape Colony, often along with N. Thelypteris, 
Desv. 
West. — Hot springs at Brand Valley, Worcester (Rawson), Knysna. 
East. — Uitenhage (Holland), Zwartkops River (Eck.), Van Staaden’s 
River (Browning, Bolus, 1709), Kowie, &c. 
Kaff. — Pondoland (Drege), not found or recorded from Kaffraria. 
Natal. — Common from the coast to Umpumulo and Maritzburg 
(Buchanan), Inanda (Wood), Noodsberg (M‘Ken). 
105. Nephrodium Thelypteris. Desv. 
Plate XCIX. Natural size, barren, b. Fertile, c. Barren pinnules 
showing venation. 
Rhizome long, slender, branching, wide creeping, subter- 
ranean. Frond herbaceous, two-pinnatifid, glabrous, ovate- 
lanceolate or lanceolate, one to two feet long, three to six inches 
broad, with a slender naked stipe, often one foot long, and a 
glabrous, slender rachis. Pinnae opposite or alternate, the lower 
about as long as the others, but more scattered ; sessile, bluntly 
lanceolate, divided to near the mid-rib into close, rounded, entire, 
rather unequal pinnules ; the lower one above and below often 
