Descriptions of the Species. 
259 
attached to the two to three line petiole by its whole base, some- 
what ascending, nearly square, but with a point at the lower 
corner, and rounded at the upper corner ; one and a half lines 
long, one line broad, and set with red silky hairs. 
M. biloba. Willd. Baker, Fern Allies, 144 ; Kuhn, Fil. Afr. 198. 
M. glomerata. Presl. 
“ Cape, near Mossel Bay (Meuron), (Drege, Burchell, 4444),” Kuhn. 
178. Marsilia capensis. A. Br. 
Plate CLVIII. Fig. 4. Natural size. 
Rhizome short jointed, with branches producing numerous 
leaves and capsules ; the leaves on petioles four to six inches long. 
Leaflets cuneate, rounded at the point or slightly emarginate, 
almost glabrous, half-inch long, two lines broad. Capsules oblong- 
oval, one to one and a half lines long, one line broad, horizontal, 
slightly pointed at the lower corner, and only shortly adnate to the 
stipe, which is two lines long. 
M. capensis. A. Br. ; Baker, Fern Allies, 144 ; Kuhn, Fil. Afr. 198. 
M. quadrifolia, var. / 3 . Kunze, Linn. 10.555. 
M. villosa. Burchell MS. (leaves densely silky). 
Common in Kaffraria in pools where the water is not constant. 
“ Uitenhage (E. and Z. , Alexander, 50), Oliphant’s River (Mund and 
Maire), Kurree (Mund and Maire, Drege, Zeyher), Natal (Robertson, 
472),” Kuhn. 
Natal. — Near Fox Hill, Maritzburg, Little Noodsberg, Durban Flat, 
Gedmore (Buchanan). 
179. Marsilia macrocarpa. Presl. 
Plate CLIX. Natural size. 
Rhizome wide creeping, somewhat succulent, with distant 
leaves, on petioles four to six inches long when growing out of 
water, and often eighteen inches long in water. Leaflets glabrous, 
