17. TRICUOJIANES, §§ EUTRICH0MANE3. 83 



11 in.br., ovate-lanceolate or linear-ohlong^, bipinnatifid ; j^'innce reacliino; down 

 veryifearly totlieraciiis, the lower onesovate-ol)i()nt,', cut about halfway down into 

 broadly linear sei^monts ; sul)stance membranaceous, the surface slii^htly hairy, 

 mar;^in ciliated ; veins slender, the lateral veins of the piiinai usually once 

 branched ; sori 1 to 2 to a pinna, terminal, tube sunk, mouth ciliated, spreading, 

 but scarcely two-lipped. — Ilk. Sp. 1. p. IJJl. 



Hab, West Indian Islands and Andes of Ecuador, — This constitutes the genus 

 Ecif/atdus of Presl. 



50. T, laccna, Swartz ; caud. scarcely creeping ; st. tufted, 2-4 in. 1., stout, 

 densely clothed with lon<^, line, ferruginous hairs ; fr. G-18 in. 1., 2-4 in. br., 

 oblong-lanceolate, fully pinnate ; piniue very close, often imbricated, transversely 

 crisped, pinnatifid about halfway down to the costa, the lower ones linear- 

 acuminate, 1-2 in. L, j-§ in. br. ; substance delicately memm-anaceous ; rachis 

 densely tomentose ; costa and veins also rufo-villose ; sori as many as 20 

 to a pinna, occupying the greater part of both edges, tube quite sunk, mouth 

 with two lateral projections. — Ilk. Sp. 1. p. lo'J. t. 41. A. T. splendidum, 

 V. D. B. 



Hab. Tropical America, from Guatemala and Jamaica southward to Peru. 



67. T. Lamhcrtianum, Hk. ; caud, scarcely creeping, tomentose ; st. stout, 4-5 

 n. 1., densely clothed with long, tine, reddish-brown hairs ; fr. G-12 in. 1., not 

 more than 1 in. br., linear-oblong, acuminate, pinnate j p)iniue densely crowded, 

 imbricated, subsecund, oblong, obtuse, cut more than halfway down to the 

 rachis; piiiiil. again pinnatihd witli linear-oblong segin.; substance thin, but 

 the frond much crisped, and especially the rachis, densely tomentose ; sori 4 to 12 

 to a pinna, the tube quite sunk, the mouth with two lateral projections. — Ilk. 

 Sj/n. 1. p. 131). t. 41. 15. 



Hab. Peru. — A singular plant, with very closely-crowded pinnse and segments, the 

 alUauce of which is evidently with T. liicens. 



**** 3Iai}t rachis of the frond quite free or onli/ very slightly winged towards 

 the apex. Sp. 58-77. 



f Fronds simply pinnate^ pinnules not divided. Sp. 58-60. 



58. T. c(espitosum,ll\\..; r/i/cro?He wide-creeping, densely interlaced ; /r. sessile 

 or nearly so, 1-2 in. 1., ^in. hr., simply pinnate ; pinnce concave, linear-oblong, 

 entire, about |- in. 1. hy | lin. br., the under surface, or solitary costa only, 

 clothed with strong brown hairs ; texture rather rigid ; sori 1 only to a piiyia, 

 terminal, the tube obovate-cuneate, quite immersed, the mouth spreading, with 

 two rounded lips.— //X-. >Syn. I. p. 132. t. 40. B. Serpyllopsis, V. D. B. 



Hab. S. Chili, Cape Horn, and Falkland Islands. A very distinct plant, placed by 

 Van den Bosch in a genus by itself near Leptocionium. 



59. T. javanicum, Blume ; caiid. tufted, with numerous strong wiry roots ; st. 

 1-4 in. 1., wiry, erect, naked or villose ; fr, 2-8 in. 1., 1-2 in br., ovate-lanceolate, 

 acuminate, once fully pinnate; low ^v pinnce often 1 in. 1., \'\n. br,, oblong, 

 obtuse or acute, obliquely cuneate at the base, finely toothed ; texture sub- 

 coriaceous ; veins numerous, close, central costa not clearly marked or con- 

 tinuous to the apex ; sori 1 to 4, placed in the axils of linear segments on the 

 upper side of the pinnte, tube free, the mouth broadly dilated but not two- 

 lipped ; reccpt. much exserted. — Hk. Sp. 1. p. 130. Hk. <& Gr. Ic. Fil. t. 240. 

 Cephalomanes, V. D. B. 



Hab. Tropical Hindostan, Malayan Peninsula, Borneo, Java, Polynesian Islands, and 



