TBICHOMANES. 465 



obovate pinnatifid pinnl. ; texture membranous ; colour yellowish-green, the ribs 

 obscurely setulose ; sort few, axillary ; inv. immersed, cylindrical, with a dilated 

 mouth. Kuhn, Linn. 35. p. 386. 



Hab. Aneiteum, Macgillivray, 53. 



24*. T. continuum, Mett. ; rhizome filiform, tomentose ; st. 3-4 lin., proliferous, 

 winged upwards ; fr. ovate, |-f in. 1., rounded at the top, cuneate at the base, 

 bipinnatifid ; rachis winged throughout ; lower pinnce flabellately pinnatifid 

 with bifid lowest pinnl.; texture membranous ; both sides glabrous, light-green; 

 sori usually lateral, rarely terminal ; inv. cylindrical, immersed, dilated at the 

 mouth. Kuhn, Linn. 85. p. 385. 



Hab. Tahiti, Vieillard, Vesco. 



26*. T. Armstrongii, Baker ; rhizome capillary, wide-creeping ; st. filiform, 

 |-i- in. ; fr. % in. 1., simple or forked or flabellately divided, with few blunt 

 simple or lowest rarely forked 1-veined ligulate erecto-patent divisions, f-1 

 lin. br. ; border as distinct as the midrib, bristle ciliated ; surfaces glabrous ; sori 

 1-4 to a frond, terminal on the lobes, minute, obconical, immersed, with rounded 

 ciliated lips. 



Hab. New Zealand, Armstrong. 



31. T.pitsillum, var. quercifolium (H. & G.) ; much longer than the type, with 

 many deep primary divisions, the central again piniiatifid. 



31*. T. viridans, Mett. ; rhizome capillary, tomentose ; st. - in., flattened, 

 tomentose below ; fr. rhomboid-oblong, cuneate at the base, ^-| in. 1., bipin- 

 natifid, cut down to a broad wing into a few crowded pinnse, the lower with 

 several short ligulate 1-veined much-ascending lobes ; several spurious venules 

 parallel with the midrib ; colour bright-green ; surfaces naked ; sori copious, 

 terminal on lobes ; inv. 1 lin. deep, nearly free, with a deep funnel-shaped tube 

 and small rounded lips. Kuhn, Linn. 35. p. 389. 



Hab. Moulmein, Rev. 0. Parish. 



32*. T. melanopus, Baker ; rhizome wide-creeping, thickly black-tomentose ; 

 st. very short, winged upwards ; fr. ^-1 in. 1., oblong or roundish, bipinnatifid ; 

 pinnce many, crowded, patent, much crisped, closely repand or pinnatifid, with 

 rounded or oblong lobes, \ lin. br. ; edge distantly ciliated, with large deciduous 

 bristles ; texture membranous ; colour yellow-green ; midrib zigzag, sending out 

 many erecto-patent branches to the edge ; sori few, free, terminal ; inv. 1 lin. 

 deep, with a funnel-shaped tube and distinct rounded lips. T. Krausii, var. 

 crispatum, edit. 1. 



Hab. Andes of Ecuador, Spruce, 5354. 



32*. T. subsessile, Mett. ; rhizome capillary, densely black-tomentose ; fr. 

 subsessile, ^-f in. 1., rhomboid-oblong, rounded at the top, cuneate at the base, 

 bipinnatifid ; pinnce crowded, erecto-patent, the lowest flabellate-pinnatifid, with 

 ligulate close lobes \ lin. br. ; texture membranous ; colour pale-green ; surfaces 

 glabrous ; sori few, terminal ; inv. with an immersed funnel-shaped tube and 

 dilated entire mouth. Kuhn, Fil. Afric. p. 37. 



Hab. West Tropical Africa, on the banks of the Bagroo river, G. Mann. 



44*. T. alternans, Carruth. ; rhizome naked, filiform, wide-creeping ; st. 

 scarcely any ; fr. ^-f in. 1., rhomboid, 1-2-pinnatifid, with a few distant very 

 narrow (J line) ascending 1-veined divisions, with hyaline border ; rachis winged 

 throughout ; lower pinnce erecto-patent, 3-4 lin. 1., simple or pinnatifid, with 



3 N 



