CYATHEA. 451 



the midrib with ovate acnminate, adpressed, and subulate pale-brown scales ; 

 veinlets 6-8-juKate, forked ; sori costular ; inv. small, glabrous, very fragile. — 

 C. muricata, Griseb. Flor. Brit. W. Ind. p. 704. eacl. syn. 



Hab. Jamaica, Bwmrofl, Pur die, 



7*. C. portoricensis. Sprang. ; jr. ample, tripinnatifid ; rachises purplish, 

 clothed upwards with linear brown scales ; pinnw oblong-acuminate, 1 ft. 1. ; 

 pinnl. sessile, 3-4 in. 1., cut down to a narrow wing ; segm. close, obtuse, inciso- 

 crenate ; texture coriaceous ; upper surface hairy on the ribs, lower setulose and 

 paleaceous ; veins lax, forked ; sori medial ; inv. large, reddish, fii-m, finally 

 breaking up irregularly. — Kuhn, Lirtncea, 36, p. 163. 



Hab. Portorico, Balhis. 



11*. C. castanea. Baker ; fi: ample, tripinnatifid ; st. and rachises castaneous, 

 naked ; basal scales lanceolate, dark glossy brown, with a pale edge ; pinnce 

 oblong-Ianceolate, 1 ft. 1., 4 in. br. ; pinnl. ligulate acuminate, ^ in. br., cut 

 down to a narrow wing, many distinctly stalked ; seffm. J in. br., flat, distinctly 

 inciso-crenate ; texture rigidly subcoriaceous ; upper surface naked, except the 

 main ribs, lower entirely so ; veins 5-6-jugate, lower forked; sori costular; 

 inv. glabrous, persistent, splitting irregularly. 



Hab. Andes of East Peru, Spruce, 4723. 



12*. C. barbata, Bory ; fr. ample, tripinnatifid ; rachises subatramineous, 

 minutely mui-icated, nearly naked ; pinnm 1 ft. 1., 4-5 in. br. ; pinnl. sessile, 

 ligulate, \ in. br., cut down to a narrow wing ; segm. close, blunt, inciso-crenate, 

 under ^ in. br. ; tenure membranous ; upper surface glabrous, except main 

 ribs ; lower clothed with minute pale ovate-buUate scales on the ribs, both 

 green ; veins 6-8-jugate, lower forked ; sori medial ; inv. minute, glabrous, 

 membranous, fragile. — Kuhn, Linnoea, 36. p. 166. 



Hab. Gnadaloupe, L'Herminier. ' 



14*. C. strarnAnea, Karst. ; fr. ample, tripinnatifid ; pinnce oblong-lanceolate, 

 1 ft. 1., 4 in. br. ; pinnl. ligulate, sessile, \ in. br., cut down to a narrow wing; 

 segm. ligulate, obtuse falcate, obscurely toothed ; texture firm ; lower surface 

 densely paleaceous on the ribs, not pilose ; foeins 6-7-jugate, lower forked ; sori 

 costular ; inv. glabrous, moderately firm, splitting irregularly. — Fl. Golumb. 2. 

 p. 157. 1. 182 and 183. fig. 3. 



Hab. Andes of Columbia. 



16*. C. patens, Karst. ; Jr. ample, tripinnatifid ; rachis densely clothed with 

 hairs and small scales ; pinnce 1 ft. or more 1., 4-5 in. br. ; pinnl. short-stalked, 

 ligulate, \-^ in. br., cut down to a narow wing ; segm. inciso-crenate, i in. br. 

 texture firm ; riis on both sides, especially the lower, crinite and pafeaceous 

 veins 6-8-jugate, inost forked ; sori subcostular ; ?«». glabrous, breaking irregu- 

 larly.— i^^. Columb. 2. p. 173. *. 191. ' - 



Hab. Andes of Bogota. — ^Vestlture oi frondosa, but veins fewer, sori larger, and pin- 

 nules short-stalked. 



20*. C. aurea, Klotzsch. ; fi: ample, tripinnatifid ; rachises substramineous, 

 minutely fusco-tomentose ; pinnw oblong- lanceolate, 1^-2 ft. 1. ; pinnl. sessile, 

 ligulate, 3-4 in. 1., |-1 J in br. ; segm. lJ-2 lin. br., falcate, toothed, or subpin- 

 natifid ; texture moderately firm ; upper surface glabrous, except the main ribs, 

 lower slightly pilose, minut«ly paleaceous on the ribs ; v&,ns 10-12-jugate, lower 

 Bubpinnate ; sori costular ; inv. small, tender, glabrous. — Karst. Fl. Columb. 2. 

 p. 148. t. 178. 



Hab. Andes of Columbia. — May be a large subglabroua variety of Schanschin. 



