in 



2 Rhizome creeping, sori close to midrib. Serra, L. Sf F. 



In woody ravines, Noodsberg 

 3 Pinnae oblong-lanceolate, conspicuously toothed, anisophyllum, Kze. 



Common in shade 2000 to 4000 feet alt. 

 3 Pinnae ovate, acuminate, entire or nearly so. gemmiferum, Schr. 



In drier parts of bush 1000 to 3000 feet alt. 

 3 Pinnie ovate-acuminate, finely serrate, the 



lowest pinna? small, rounded. Prionitis, Kze. 



From near Coast to 3000 feet alt. 

 Upper edge of pinnte sharply toothed. Kraussii, Moore. 



In shade in upper districts. 

 Upper edge of pinme bluntly lobed. SAKDERSONr, Hh. 



On moist rocks, and tree trunks 1500 to 

 2000 feet alt. 



B. Veins bi-or-tripinnate. 



Sori in centre of segments, stipes and rachis 



l)rown. Adtantum-nigrum, Linn. 



Rocky places Umpumido, Grey town, Mooi 

 River, and Town HiU. 

 Sori in centre of segments, stipes and rachis 



greenish. varians, Hl\ 8c Gr. 



Moist rocks in shade from 2000 feet alt, to 

 Drakensberg. 

 Sori fiabellate, rachis naked. ouneatdm, Lam 



From Coast to 2000 feet alt. 

 Sori Rabellate, rachis fibrillose. fukcatom, Thh. 



Noodsl)erg to Drakensberg. 

 Var tripinnatiim, Baker, larger and more 



divided than type. 



Noodsl^erg to Drakensberg. 



II, Darea. 

 Pinnate, segments more numerous on upper side 



of pinna?. brachypteron, Kze. 



Moist rocks, Midlands. 

 Pinnate segments equal on both sides or nearly so. Thunbergii, Kze. 



Near streamlets in shade, Midlands. 

 Bipinnate. rut^.folium, Kze. 



Common in drier parts of l3ush. Coast to 

 Midlands. 



III. Athyrium. 

 Rhizome creeping. Sohimperi, /I. 5r. 



Rocky places at from 2500 feet alt. to 

 Drakensberg, 

 Stipes tufted, pinnula? stalked. aspidioides, t^chl. 



Moist places. Midlands. 

 Stipes tufted, pinnule decurrent. Filix-F(EM1na, Bf-rnh. 



Upper districts. 



