472 THE FAMILIES, GENERA AND SPECIES OF PTERIDOPHYTA. 



Stipe paleaceous only at the base; pinnae glabrous. 



2. rotundatmn. 

 Leat 2 to 4-pinnate : 



Pinnules 6 to 9 lines long and broad, cuneate or 

 tapering down to the petiole, deeply lobed; sori 

 across the top of the lobes of the pinnules, longish, 

 nearly straight, not sunk 3. Capillus-veneris. 



Pinnules 3 to 5 lines long, 3 to 6 lines broad, 

 rounded at the base, lobed; sori, several in each, 

 curved or reniform 4. cEthiopicum. 



1. A. caudatum. Linn.^ — Avoca, Bn., Galpin 1,244; near 

 Shiluvane, Ze., 2,200-2,400 ft., Junod 1,622, 1,740. 



2. A. rotundatmn, Kunze. — Wakkerstroom, Wm.. Dr. 

 Shaw, Sim. 70. Apparently this is the only known locality for 

 this rare fern ! 



3. A. Capillits-veneris, Linn. — In moist, shady places by 

 streams. Waterval, Ly., Wilms, in T.M.H. 749; near Shilu- 

 vane, Ze., Junod 1,766; Elandshoek, Bn., Rogers, in T.M.H. 

 115; Scheerpoort, Pa., Miss Leendertz 749. 



4. A. cethiopicum, Linn. — Shady places from 1,600 to 

 •6,000 ft.. Rietvlei, near Belfast, Ly., 6,000 ft., Burtt-Davy 

 1,235; Houtboschberg, Ze., Miss Eastivood; Letaba River, Ze., 

 T,6oo ft., Junod; Marovuni, Ze., Junod 215; near Shiluvane, 

 Ze., Junod i,2gi. 



15. AcTiNioPTERis, Link. 



Leaf flabellate, with narrow, radiating, simple or once-forked 

 segments. Sori linear and continuous, sub-marginal, one on 

 each side the leaf-segment, opening face to face. — Leaf rigid, 

 ■coriaceous, like that of a fan-palm in miniature. Only one 

 species. 



1. A. radiata, Link. — Magaliesberg (Pa. ?), Burke and Zey- 

 Jier 532, Zeyhcr No. 1,874, Todd: Limpopo, Ze., H. M. Bar- 

 ker; near Eureka City, Bn., Dr. J'oivcl 1,888; Spelonken, Ze., 

 Mennc; Devil's Kantoor, Bn., Fry 1,887. 



16. Pteris, Linn. 



Sori linear, continuous or slightly interrupted along the mar- 

 ;gin of the segments, with a narrow, membranous indusium 

 I)roceeding from the margin and rolled over the sori.- — Leaves 

 usually large and compound, herbaceous, with simple, forked 

 or reticulate veins. 



Rhizome a procumbent crown; leaf-veins free: 

 Leaf i-pinnate, or the lower pinnae forked : 



Pinnae entire i. longifolia. 



Lower pinnae forked 2. crctica. 



Leaf 2 to 3-pinnate : 



Barren pinnules not toothed, or only very slightly. 



3. quadri-aurita. 



Barren pinnules distinctly serrate 4. flahcUata. 



Rhizome short; leaf-veins free, except along the mid- 

 ribs, where there is one line of areolae on each side. 

 Leaf 2 to 3-pinnate ; barren pinnules distinctly 

 serrate 5. BucJmnani. 



