SYNOPSIS OF THE SPECIES. XXV11 



201. Brodiseij stem filiform, branched; the branches terminating in forked, 

 membranous leaflets, proliferous at the extremity ; tubercles sessile on the 

 tips of the segments. (Tab. XX.) 



202. palmettoides j r0 ot a wide-spread disc; stem filiform, expanding into an 

 oblong or cuneate, simple or once-forked, rose-coloured frond; sorus 

 solitary, transverse, elliptical, immersed below the apex of the frond. 

 (Tab. CCCX.) 



LXIV. PEYSSONELIA. 



203. Dubyi j frond membranaceous, orbicular or lobed, attached by the whole 

 of its under surface. (Tab. LXXI.) 



LXV. GYMNOGONGEUS. 



204. Griffithsiaej dichotomous, fastigiate ; warts surrounding the stem. 

 (Tab. CVIII.) 



205. plicatusj horny, dark purple, entangled, wiry, irregularly branched; 

 branches of various lengths, forked, with very wide axils ; warts oblong, 

 irregular, scattered. (Tab. CCLXXXTIII.) 



LXYI. POLYIDES. 



206. rotundus. (Tab. XCV.) 



LXVII. FTJRCELLARIA. 



207. fastigiata. (Tab. XCIV. and CCCLVIL A.) 



LXVIII. DUMONTIA. 



208. filiformisj frond undivided, attenuated to each extremity, pinnated with 

 long, simple, tapering branches. (Tab. LIX. and CCCLVIL B.) 



LXIX. HALYMENIA. 



209. ligulataj frond compressed or flat, irregularly dichotomous or palmate; 

 the segments attenuated. (Tab. CXII.) 



LXX. GINANNIA. 



210. furcellata; cylindrical, tender, uniformly dichotomous; apices obtuse. 

 (Tab. LXDL) 



I AM. KALLYMENIA. 



211. reniformis; stipe short , terete, suddenly expanding into a roundish or 

 irregularly cleft, blood-red frond. (Tab. Mil.) 



212. Dubyi; stem compressed, gradually expanding into an obovate or em 



dull red lamina. (Tab. CXX111.) 



I AMI. IRID^EA. 



213. edulis; frond obovate. flAi;. MAIL) 



I Will. CATENELLA. 



814, Opuntia; root creeeping ; items vaguely branched j internodea lanceolate 



or elliptical, four tune- a- long a- bmad. (TAB. IA\ \\ II I.) 

 IWIV. CRUORIA. 



815, peinta. (Tab. f.Wll ) 



