450 



IV. CYATHEA. Page 1027. 



4*. C.pulescens, Mett. ; rachises castaneous, not muricated ; fr. ample, tripin- 

 nate ; pinnae oblong, 2-3 ft. 1. ; pinnl. sessile, 6-9 in. 1., 1 in. br. ; segm, l-l lin. 

 br., falcate, blunt, denticulate ; veinlets very close, raised, 15-18-jugate, forked ; 

 texture subcoriaceous ; upper surface dark-green, glabrous except the midribs, 

 lower greyer, pubescent ; sort costular ; inv. truncate, late in breaking up. 

 Kuhn, Linn&a, 36. p. 164. 



Hab. Jamaica, Purdie, Wilson. Included in the first edition as a form of arborea, 

 with which it is connected by Hooker's var. niyrescens, which has a similar rachis, but 

 fewer veins and a glabrous under surface. 



4*. C. tenera, Griseb. ; fr. ample, tripinnatifid ; rachises substramineous, 

 naked, polished ; pinnae oblong-lanceolate, 1 ft. ]., 4-5 in. br. ; pinnl. subsessile, 

 lanceolate, \-% in. br., cut down to a narrow wing ; segm. flat, blunt, ligulate, 

 J in. br., distinctly inciso-crenate ; texture very thin and membranous ; both 

 sides pale green, with a few obscure hairs on the ribs ; veinlets 6-7-jugate, forked ; 

 sori medial ; inv. small, fragile, glabrous, cup-shaped or dimidiate. Alsophila 

 tenera, J. Smith. Hook. Sp. Fil. 1. p. 40. 



Hab. St. Vincent's, Caley. 



4*. C. meridensis, Karst. ; fr. ample, tripinnatifid ; pinnae oblong-lanceolate, 

 1 ft. 1., 6-8 in. br., the lower long-stalked ; pinnl. sessile, lanceolate, 3-3| in. 1., 

 " in. br., cut down to a narrow wing, lowest stalked ; segm. ligulate, obtuse, 



in. br., faintly toothed ; texture firm ; upper surface glabrous, lower scaly on 

 ie ribs; veinlets 10-12-juerate, forked ; sori costular; inv. small, glabrous, 

 breaking up irregularly. Fl. Columb. 2. p. 161. 1. 184. 



Hab. Columbia, Merida, 6,000 ft. 



4*. C. muricata, Kaulf. ; fr. ample, tripinnate ; rachises substramineous, 

 scabrous, slightly muricated ; pinnce oblong-lanceolate, ljs-2 ft. 1., 7-8 in. br. ; 

 pinnl. sessile, lanceolate, cut down to rachis below ; segm. ligulate, flat, in. br., 

 crenato-pinnatifid ; texture rigidlysubcoriaceous ; upper surface green, glabrous 

 beyond the ribs, lower glabrous,* but clothed with copious minute scales on the 

 ribs ; veinlets 8-9-jugate, pinnate in the lower lobes ; sori infra-medial ; inv. 

 fragile, membranous, depressed, often obscure. 



Hab. Martinique, Sieber, 374. Willdenow's plant of this name is founded on a figure 

 of Plumier's, which cannot be safely determined. 



5*. C. quindinensis, Karst. \fr. ample, tripinnate; main rachis not muricated, 

 minutely scaly ; pinnae oblong-lanceolate, \\ ft. 1. ; pinnl. subsessile, 3-4 in. 1., 

 | in. br., cut down to rachis below ; segm. 1 lin. br., falcate, entire, the edges 

 rather revolute ; texture moderately firm ; upper surface dark green, naked 

 beyond the ribs, lower glaucous, densely scaly on the ribs ; veinlets 9-10-jur>ate, 

 the lower once or twice forked ; sori medial ; inv. glabrous, membranous, breaking 

 up irregularly. .FY. Col. 2. p. 151. t. 179. 



Hab. Andes of Columbia. 



7*. C. furftiracea, Baker ; fr. ample, tripinnatifid or tripinnate ; rachises 

 brown-stramineous, slightly muricated, densely hairy above, those of the pinnas 

 paleaceous ; pinnae oblong-lanceolate, short-stalked, 1 ft. or more 1. ; pinnl. close, 

 ligulate, acute, 2-3 in. I., -| in. br., cut down blow to the rachis or a narrow 

 wing; segm. ligulate, blwnt, 1^ lin. br., subfalcate, inciso-crenate; texture not 

 coriaceous ; upper surface glabrous, except the ribs ; lower densely clothed on 



