384 52. GYMSOGBAMME, CEROPTERIS. 



broad ; texture pellucido-herbaceous ; veins and sori one to each ult. division, the 

 latter oblong. #. Sp. 5. p. 129. 2nd Cent. t. 15. 



Hab. Khasya, Griffith,. Habit of the three preceding, but not annual. 



48. G. hirta, Desv. ; st. tufted, 6-12 in. 1., glossy, dark chesnut-brown, slightly 

 pilose ; fr. 6-12 in. 1., 4-8 in. br., ovate-deltoid, quadripinnatifid ; lower pinnce 

 and pinnl. deltoid ; segm. |-J in. each way, cuneato-flabellate, with blunt oblong 

 lobes ; texture firm-herbaceous ; rachis castaneous, often slightly flexuose, like 

 both sides more or less pilose ; veins and sori 1 to each lobe, the latter confluent 

 in the centre of the segments. G. laserpitiifolia, Kze. Hk. Sp. 5. p. 133. 



Hab. Columbia. G. hispidula, Klotzsch (Jamesonia, Kze.), is apparently a reduced 

 form. 



49. G. flexuosa, Desv. ; st. 6-18 in. L, glossy, chesnut-brown, flexuose, 

 slender ; fr. 3-4 ft. L, scandent, tri- or quadripinnate ; rachises zigzag, branched ; 

 pinnce reflexed, subdeltoid in general outline ; segm. flabellately branched ; ult. 

 divisions linear or oblong, \ lin. br., with 1 vein and oblong sorus to each ; 

 texture firm-herbaceous. Hk. Sp. 5. p. 129. G. retrofracta, Hk. & Gr. Bot. Misc. 

 3. 1. 112. 



Hab. Nicaragua to Peru. 



50. G. Pearcei, Moore ; st. 6-9 in. L, glossy, chesnut-brown ; fr. about 1 ft. 

 each way, deltoid, quadripinnatifid ; lower pinnce the largest, 4-6 in. 1., sub- 

 deltoid ; pinnl. imbricated ; ult. divisions fa in. L, J lin. br., simple or forked ; 

 texture herbaceous ; rachis and both sides naked ; one vein and sorus to each ult. 

 division. Moore, G. C. 1864, p. 340. 



Hab. Peru ; discovered by Mr. Pearce. Allied to the preceding, but the divisions 

 much narrower, and rachis not flexuose. The crown of the root is slightly powdery. 



J Ceropteris, Link. Differs from Eugymnogramme only by the fronds 

 ig coated beneath with white or yellow powder. Sp. 51-5?. 



61. G. (Cerop.) trifoliata, Desv. ; st. tufted, 8-12 in. 1., stout, erect, dark chesnut- 

 brown, the lower part scaly ; fr. 2-3 ft. 1., 6-8 in. br., pinnate ; lower pinnce 

 ternate, the upper ones simple, petiolate, 2-4 in. 1., J-f in. br.", linear-oblong, 

 nearly entire ; texture herbaceous, the under side usually naked in the barren 

 fronds, clothed in the fertile ones with white or yellowish powder. Hk. Sp. 5. 

 p. 149. G. F. t. 4. 



Hab. Cuba, southward to Peru and Brazil. A variable plant. We include here three 

 species of Fe"e, his Trismeria argentea, aurea, and microphylla. 



52. G. (Cerop.) triangularis, Kaulf. ; st. densely tufted, 6-12 in. 1., dark 

 chesnut-brown, glossy, nearly naked ; fr. 3-4 in. each way, deltoid ; lower 

 pinnce much the largest, deltoid, unequal-sided, the others lanceolate, deeply 

 pinnatifid, with oblong obtuse lobes ; texture subcoriaceous ; powder varying 

 from deep orange to white. Hk. Sp. 5. p. 146. Hk. & Gr. t. 153. Fit. Ex. 

 t. 153. 



Hab. Vancouver's Island and Oregon southward to Ecuador. 



53. G. (Cerop.) tartarea, Desv. ; st. tufted, firm, 6-12 in. 1., dark chesnut- 

 brown, scaly towards the base ; fr. 1-2 ft. L, 6-12 in. br., oblong-deltoid, bipin- 

 natifid ; pinnce lanceolate, the lowest the largest ; pinnl. oblong, obtuse, entire 

 or nearly so, united or the lower ones free ; texture subcoriaceous ; powder dense, 

 pure white. G. dealbata, Link. j3 G. ochracea, Presl ; pinnl. very regular and 



