CYATHEA. 451 



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

 reinlels 6-8-jugate, forked; sori eostular ; inv. small, glabrous, very fragile. 

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



Hab. Jamaica, Bancroft, Purdie. 



7*. C. portoricensis, Spreng. ; fr. ample, tripinnatifid ; rachises purplish, 

 clothed upwards with linear brown scales ; pinna} 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, firm, finally 

 breaking up irregularly. Kulm, Linncea, 36, p. 163. 



Hab. Portorico, Balbis. 



11*. C. castanca, Baker ; fr. ample, tripinnatifid ; st. and rachises castaneous, 

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

 oblong-lanceolate, 1 ft. 1., 4 in. br. ; pinnf. ligulate acuminate, in. br., cut 

 down to a narrow wing, many distinctly stalked ; segm. % 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 eostular; 

 inv. glabrous, persistent, splitting irregularly. 



Hab. Andes of East Peru, Spruce, 4723. 



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

 minutely muricated, nearly naked ; pinnce 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. ; texture membranous ; upper surface glabrous, except main 

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

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

 membranous, fragile. Kuhn, Linncea, 36. p. 165. 



Hab. Guadaloupe, L'Herminier. 



14*. C. straminea, 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 ; veins 6-7 -jugate, lower forked ; sori 

 eostular ; inv. glabrous, moderately firm, splitting irregularly. Fl. Columb. 2. 

 p. 157. t. 182 and 1S3. fig. 3. 



Hab. Andes of Columbia. 



16*. C. patens, Karst. ; fr. 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, | in. br. 

 texture firm ; ribs on both sides, especially the lower, crinite and paleaceous 

 veins 6-8-jugate, most forked ; sori subcostular ; inv. glabrous, breaking irregu- 

 larly./'/. Columb. 2. p. 173. t. 191. 



Hab. Andes of Bogota. Vestiture offrondosa, but veins fewer, sori larger, and pin- 

 nules short-stalked. 



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

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

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

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

 lower slightly pilose, minutly paleaceous on the ribs ; veins 10-12-jugate, lower 

 eubpinnate ; sori eostular ; inv. small, tender, glabrous. Karst. Fl. Columb. 2. 

 p. 148. t. 178. 



Hab. Ancles of Columbia. May be a large subglabrous variety of Sc/uuisc/iln. 



