17. TBICHOMANES, §§ EUTEICHOMAlfCS. 79 



crenate lobes ; main and secondary midribs tomentose ; lot. veins numerous ; 

 spurioas venules none ; sori 2 to 6 to each lobe ; invol. sunk, the mouth scarcely 

 dilated ; recept. long, filiform. — V. D. B. Suppl. 2. p. 119. T. fimbriatum, Bachh. 

 Gard. Chron. 1862, p. 44. 



Hab. Trinidad and British Guiana. — This and the two preceding are very closely 

 allied. 



39. T. Kmilfussii, Hk. & Gr. ; rhizome wide-creeping, strong, tomentose ; st. 

 2-4 in. 1., strong, compressed, winged above ; fr. 4-12 in. 1., 1^-2 in. br., ovate- 

 lanceolate-acuminate, once pinnatifid down to a broadly-winged rachis ; segm. 

 linear-oblong, rounded or acute, toothed, the largest 1 in. L, J in. br. ; main rachis 

 densely and the surface slightly hairy ; lot. veins of the segments 1 to 4 times 

 forked ; spurious venules none ; sori 2 to 12 to a pinna, tube more or less exserted, 

 mouth with two lateral projections ; recept. long, filiform. — Hk. Sp. 1. p. 122. 

 T. lucens, Hk. & Gr. Ic. Fil. t. 10 (non Smarts). 



Hab. West Indian islands, Gniana, and K. Brazil. 



40. T. alatiim, Swartz ; st. tufted, 2-4 in. 1., winged above ; fr. 3-12 in. 1., 1-4 

 ui. br., lanceolate or ovate-lanceolate, bi-tripinnatifid ; main rachis winged 

 throughout ; pinnce lanceolate acute, cut more than halfway down to the rachis ; 

 lobes often again sharply toothed ; texture delicately membranaceous ; rachis rather 

 hairy; ult. segm. with several lateral veins ; spurious venules none ; sori 2 to 12 

 to a pinna, terminal on the segments, the tube sunk, the mouth spreading but 

 scarcelv two-lipped ; recept. long, filiform. — Hk. Sp. 1. p. 123. Hk. 4" Gr. Ic. 

 Fil. t. 21. T. attenuatum, Hk. Sp. 1. p. 122. t. 39. C. T. ptilodes, lineare, & 

 delicatam, V. D, B. 



Hab. West Indies, Columbia, Brazil. — "Very variable in robnstness and hairi- 

 ness. The large state is a very beautiful plant. 



41. T. hicorne, Hk. ; rhizome strong, scarcely creeping ; st. 1-2 in. L, winged 

 nearly or quite down to the base ; fr. 2-3 in. 1., 1-1^ in. br., bi- or tri-pinnatifid, 

 ovate in general outline, divided down to a narrowly- winged rachis ; lower pinnce 

 ovate-triangular, cut down to a broadly-winged rachis, the lobes again_ deeply 

 divided ; tilt. segm. linear, substance subcoriaceous ; a central costa only in each 

 segment ; sori 2 to 4 to a pinna ; invol. tubular, quite sunk in the frond, the 

 mouth dilated into two lateral projections. — Hk. Ic. PI. t. 982. 



Hab. North of Brazil, Spruce. — This and the two preceding resemble one another 

 closely in deUcacy of texture, but differ in the extent to which the frond is divided. 



42. T. intramarginale, Hk. & Gr. ; rhizome slender, wide-creeping, tomentose ; 

 St. very short ; fr. 1-2 in. 1., i-J in. br., oblong-rhomboidal, bipinnatifid, tapering 

 gradually below, central portion 1 Un. br. ; segm. few, erecto-patent, linear, simple 

 or forked ; substance subcoriaceous, opaque, somewhat crisped when dry ; a 

 central costa only in each segment, but the margin thickened ; sori 1 to 4 to a 

 frond, terminal or axillary on the upper segments, tube sunk, mouth not dilated. 

 —Hk: & Gr. Ic. Fil. t. 211. Hk. Sp. 1. p. 120. Crepidomanes, V. D. B. 



Hab. Ceylon, rediscovered recently by Mr. Thwaites.— This resembles in texture the 

 next species and No. 31. 



43. T. Memargirude, Eaton ; . rhizmie slender, wide-creeping, tomentose ; st. 

 none or scarcely any ; fr. about \ in. 1., \ in. br., suborbicular or oblong-rhom- 

 boidal, pinnatifid ; m,ain rachis with a wing about 1 lin. br. ; «e^m. Imear, close, 

 simple, or once forked ; substance membranaceous, surface naked ; a central 

 costa only in each segment, but the margin thickened ; sori 1 to 3, tf.™""?* °? 

 the upper segments, tube sunk, mouth dilated, two-lipped.— ^ofo», iiL Viiin. <y 

 Japan, p. 3. 



