See Supplement 1. 



S-r. CYSTOr»TER,IS, Bernhavdi. 



Sori roundieh, — dor s al on — a vein or veinlet . Indueium momb ranao^ 

 round and cucuUate or lanceolate, i iiim ii ( im iiii|i llif omT Jiiil iil length 

 more or less rpflftvpH (n lu^m mii iihilinl at the inner side of the recep- 

 towardt the ape x or the margin of th a eogmonti 



Rhizome creeping or erect. Stipes not articulate to the rhizome. Fronds 

 bipinnate or more compoundly divided; veins free, forked or pinnate. Diels, 

 in Engl. & Prantl, Nat. Pfl.Fam., I*, fig. 89, B— C. 



Ferns inhabiting the temperate zones and the alpine regions of the tropics. 



5f;. Stipes dark-purplebrown. Indusium ligulate, fugacious. (1) C. tristis. 



jtc.jf;. Stipes stramineous. Indusium.' semiorbicular or transversally ohlong. 



(2) C. tenuisecta. 



" ^^ (1) Ci ti'i s ti S ) Met* i i Ann i Muon Boti Li Bi; Ij B41j Bamllia imUsy 

 Rac., Flor. Btz., I, 131; Alsophila triste,]Bl., Hk. Bk., Syn. Fil., 44; (u^J^., 

 Ind. Fil.; Aspidium tristis, BL, Enum., 169. ^^ 



Rhizome erect, short, densely clothed with entire, lanceoJa*C brown scales. 

 Stipes 50 — 90 c.M long, + 7 m.M. thick^-at the s^ly^uberculato-asperous 

 base, purple-brown, villose towards the rachiS;^'^onds ovate-lanceolate to 

 deltoid, + 45 — 90 c.M. long, + 40 — 60 c,Af: broad, 3-pinnate, Pinnae ovate 

 to lanceolate, acuminate, short-stalkejjf^e largest to 10 c.M. broad. Pin- 

 nulae lanceolate, short-stalked. Jflnmate segments sessile, narrowed at the 

 base, 5 — 12 '/^ m.M. lons^M± 4 m.M. broad, oblong, obtuse, incised to ± 

 »/^-way down to th^.-^lS^ta, more or less decurrent. Texture subcoriaceous ; 

 rachises and c^^s^ pilose or fibrillose especially beneath; veins simple or 

 forked. Self 1 to each lobule, covered by a small, at length reflexed, 

 iVLs^fi/ims, ligulate indusium; receptacle elevated. 

 - Java, ^ _____ ^— ^— ^_ 



(2) C tenuisecta, Mett., Atin.Mus.Bot. L.B.I, 241; Alsophila tenui- 

 secta, BL, Moore, Ind., 58; Aspidium lenuisectum, BL, Enum., 170. 



FiLICES. 17 



