Descriptions of the Species. 
221 
A. latifolium. Sw. ; Hk. Sp, V. 202 ; Hk. and Bkr. Syn. Fil. 403. 
Natal. — On rocks ; usually in deep shade ; confined to a limited line of 
country, stretching from Kranzkloof through inner Inanda and Noods- 
berg to Umpumulo, 1500 to 2500 feet (Buchanan) ; hanging from rocks 
in crowded masses in midland districts (Wood). 
141. Acrostichum viscosum. Sw. 
Plate CXXIX. Fig. 2. Natural size, small. 
Rhizome slender, woody, creeping, clothed in large, ovate, 
pointed, nearly black scales. Barren fronds lanceolate, acuminate, 
widest at the middle, and tapering slowly to a long acute point 
and to the stipe ; herbaceous or thinly sub-coriaceous in texture, 
dark green, and when young bearing scattered, ovate, membran- 
aceous, deciduous scales, on the under surface and stipe. Barren 
frond six to fifteen inches long, half to one and a half inches broad; 
with a firm stipe two to nine inches long, and when old nearly 
naked. Fertile fronds equalling the barren in height, but with 
shorter and narrower laminae, and longer stipe ; under surface 
occupied throughout with sori. 
This was formerly confused with A. conforme, which see. 
A. viscosum. Sw. ; Hk. Sp. V. 220 ; Hk. and Bkr. Syn. Fil. 406 ; 
McKen’s Natal Ferns, 109. 
A. conforme. Schl. Adum. 14 ; Kunze 10.495. (with a form angustum 
from same root) ; Buchanan’s List, No. 1 1 7. 
Olfersia conformis. Pappe and Rawson, 44. 
Widely distributed in the tropics and sub-tropics. 
West. — Devil’s Mountain and Table Mountain (Bergins). Dutoits 
Kloof, Grenadendal (Kunze), Caledon, Swellendam (P. and R.) 
East. — Amos Kloof, Grahamstown (Holland). 
Kaff. — Common in bush above 1000 feet, Perie, Chumie, Frankfort, 
Stutterheim, Toise River, &c. 
Natal. — Kranzkloof through Inanda Noodsberg to Umpumulo, and from 
this line to the Drakensberg, common, 1500 to 4000 ft. (Buchanan, as 
A. conforme, Sw.) 
Transvaal.— Pilgrim’s Rest (J. H. McLea 54, Bolus 1730) 
