THE FAMILIES, GENERA AND SPECIES OF PTERIDOPHYTA. 467 



Leaf 4 to 8 in. long, 3 to 4 in. broad; rachis almost 



naked; 2-pinnate 10. cuncatnvi. 



Leaf 12 to 18 in. long. 2 to 4 in. broad; rachis and 



stipe fibrillose; 2-pinnate 11. furcafum. 



Leaf 6 to 15 in. long. 4 to 6 in. broad; rachis 



naked; 3-pinnate 12. cicuiarimn. 



Sori marginal or sub-marginal {Darca). 



Leaf 6 to 18 in. long. 2 to 6 in. broad. 2 to 3-pinnate, 



ovate-lanceolate 13. rutcc folium. 



Sori short, more or less curved, often horse-shoe 

 shaped (AtJiyrium). 

 Leaf 2 to 4 ft. long. 8 to 14 in. broad. 3-pinnate. 



ovate-deltoid 14. aspidioidcs. 



1. A. Kraussii, Moore. — "Transvaal" teste Lady Barkly. 



2. A. Sa)idcrso)ii. Hooker. — Houtboschberg. Ze., 6,800 ft., 

 Schlcchtcr 4.760; near vShiluvane. Ze., Jiinod, 1,659, I'/iO- 



3. A. Dionunthcinum, Linn. — IDamp. shady spots in kloofs 

 and by streams. Rietfontein. in the Ysterberg Mountains, 

 Zw., 4,200 ft.. Miss Lcoidcrtc >>^i: Houtboschberg. Ze.. Miss 

 Eastivood. 



4. A. crcctuin, Bory. — Forests. Mac-a-Mac. Ly.. McLca: 

 Houtboschberg, Ze., Miss Easf-a'ood. T.M.H. 757. Said to be 

 the most variable of South African ferns. — The most common 

 form, according to Sim. (A. crcctum var. crcctum. Sim). 



Var. (/. liinulatiim (Sw.), Sim. — Near Shiluvane, Ze., Junod 

 1709. 



Var. b. lobatitui (Pappe and Rawson), vSim. — In mountain 

 kloofs, not common. Houtboschberg. Ze.. 6,000 it., Schlcchtcr 

 4,466; Mamotsuiri, Ze., 2,300 ft., Jiinod 205; Houtboschberg, 

 Ze., Miss Eastwood. 



5. A. protcnsum, Schrad. — In bush. Ivy Range, Moodie's, 

 Bn., 5,000 ft., Tliorncroft 476. 



6. A. anisophyUum, Kunze. — Among stones imder trees, 

 often in damp places. In bush. Ivy Range, Moodie's, Bn., 

 5,000 ft., Thorncroft (475: Houtboschberg, Ze., Rchmann 

 5,589, Miss Eastivood. 



7. A. prionitis, Kunze. — Near Shiluvane, Ze., Junod 1,690. 



8. A. gcmmifcniin, Schrad. — On wet ground in forests, not 

 •common. Barberton, Bn., Thorncroft, in T.M.H. 98, 99; 

 Marovuni, near Shiluvane, Ze.. Junod 228. 



9. A. adiantum-nigrum, Linn. — Near Shiluvane. Ze., Junod 

 1.864. 



10. A. cuncatum. Lam. — On rocks in forests. Barberton, 

 Bn., L. C. de Beer, in T.M.H. 127; in kloofs. Marovuni. near 

 Shiluvane. Ze.. Junod 21/. 239; Mamotsuiri, uncommon. Junod 



403- 



11. A. fiircatuin, Thunb. (A. prccmorsum, Swartz). — Usually 

 in shaded spots in narrow kloofs. 2,300 to 5,000 ft. Exposed 

 rocks, Magaliesberg (R. ?), Sanderson; Mamotsuiri, Ze. 

 Junod 211; Houtboschberg, Ze., Mi\ss Eastivood; Fairy Glen, 

 Pa., Miss Leendertz 751; Rietfontein, Ysterberg Mts., 

 Zw., Miss Le endcrtc 8'/4; Johannesburg, Petersson, in T.M.H. 

 263; Barberton, De Beer, in T.M.H. 125; Magaliesberg, at 

 the Crocodile River, Pa., Burtt-Davy 199. 



