Ferns of British India and Ceylon. 75 



4. Lindsaya orbiculata. {Lam. under Adiantum.) Rhizome 

 creeping ; stipes tufted, generally elongated, fronds linear-lanceolate 

 and pinnate or deltoid and bipinnate ; pinnules approximate shortly 

 petiolate, rather rigid flabellate, and approaching to lunate or sub- 

 rhomboid, with the sides unequal, the base obliquely cuneate, some- 

 times the upper ones are confluent, the superior margin crenulate or 

 soriferous ; no distinct midrib ; sori continuous or interrupted ; in- 

 volucres toothed. Hook. Syn. Fil. i. 211. L. flabellulata, Hook. 

 Syn. Fil. p. 107. Bcdd. F. B. I. t. 216. 



Davallia trichomanoides, Bedd. F. B. I. t. 178 (not Blume) an 

 abnormally cut variety. D. sch'zophylla, Hook. Syn. Fil. p. 468. 



Var. /3 tenera. Pinnules of thinner texture, and obtusely 

 rounded in outline. Bedd. F. S. I. t. 24. This is the only form 

 found in the Madras Presidency. 



Western Forests of Madras; Ceylon; Khasya, Assam, Jaintea; 

 Malay Peninsula. 



(Also in South China and Australia.) 



5. Lindsaya Lancea. (Z. under Adiantum.) Rhizome creep- 

 ing ; stipes strong, up to 12 inches long ; frond up to 15 inches long, 

 bipinnate ; pinnae, several pairs erect-patent ; pinnules about 1 inch 

 long, by \-\ inch deep, the lower line nearly straight, the upper 

 rounded entire ; texture pellucid-herbaceous ; sori in a continuous 

 line round the upper margin. Ad : antum Lanceum. L. Lindssea tra- 

 peziformis (Dry.), Hook. Syn. Fil. 107. L. caudata(Hoolc), Bedd. F. 

 S.I. I. 217. Mr. Wall sends from Ceylon a form with numerous 

 pinnce, which taper away into a long caudate apex, the lower pinnules 

 being obovate from a longish stalk, and much smaller than in the type ; 

 the upper pinnules very small and tongue-shaped. 



Ceylon ; Malay Peninsula. 



/'Also in Tropical America, the West Indies, and the Malay 

 Islands.) 



(>. Lindsaya rigida. {J. Sm.) Rhizome wide-creeping, stipes 

 4-6 inches long, rigid, erect, prickly towards the base ; fronds with 

 a long unbranched central point, and 1 4 pair of flexuose lateral 



