86 Ferns of British India and Ceylon. 



of the outer edge. Hook. Syn. Fil. p. 123. Bedd. F. S. I. t. 5. 

 Ad. emarginatum, Bedd. F. B. I. t. 18. 



Nilgiri and Pulney Mountains at the higher elevations. Ceylon. 



(Also in Australia, New Zealand, America, Africa and the East 

 African Islands.) 



6. Adiantum venustum. (Don.) Fronds 3-4-pinnate ; pinnules 

 firm, membranaceous-chartaceous, glabrous, and slightly glaucous 

 beneath, shortly petiolulate obovate-cuneate, rarely subrhomboid- 

 acuminate, striated, the superior margin rounded, scarcely ever or but 

 slightly 2 or 3 lobed, finely dentate-serrate, fertile lobes with 2, rarely 

 3 notches, each notch bearing a rather large sorus at the bottom ; 

 involucres reniform-cordate, submembranaceous ; stipes and slender 

 rachis everywhere ebeneous-glossy, glabrous. Hook. Sp. Fil. ii. 40. 

 A. venustum, Don Prodr. Fl. Nep. 16. Bedd. F. B. I. t. 20. 



N. E. Himalayas, very common, 3,000-10,000 feet elevation. 

 (Also in Cabul.) 



7. Adiantum pedatum. (Z.) Stipes 6-12 inches long, polished, 

 dark chestnut-brown, glabrous ; fronds dichotomous, with the main 

 divisions flabellately branched ; central pinnae 6-9 inches long, i-ii 

 inch broad; pinnules f-f inch long, i inch deep, dimidiate, 

 broadest on the side nearest the stem, the upper and outer margin 

 lobed, sometimes one-third down, the lowest on short slender stalks ; 

 texture pellucid-herbaceous ; rachises and surfaces naked ; sori 

 roundish or transversely oblong, 1-2 lines broad. Linn. Sp. Fl. 1557. 

 Hook. Syn. Fil. p. 125. Bedd. F. B. I. t. 167. 



N. W. Himalayas, from Gurwhal to Sikkim, 6,000-9,000 feet 

 elevation. 



(Also in Japan and North America.) 



8. Adiantum hispidulum. (Swartz.) Stipes up to 15 inches 

 long ; strong, erect, polished, dark chestnut-brown, scabrous ; fronds 

 dichotomous, with the main divisions flabellately branched ; central 

 pinnae 6-9 inches long, |-i inch broad, dimidiate, sub-rhomboidal, 

 rather broader on the side nearest the stem, hispid on both sides, the 

 outer edge bluntly rounded or oblique, upper and outer margin 



