404 IIYMENOPIIYLLUM. 



52*. II. fumiliim, C. Moore ; rJiizome capillary, wide-creeping ; st. filiform, 

 \-\ in. ; fr, ^-f in. 1., roundish in upper, cuneate in lower half, flabellato- 

 l)ipinnatifid ; divisions ligulate, close, 1-veined, \ lin. br., obscurely denticulate, 

 upper simple, lower deeply forked or trifid ; surfaces naked ; sori one to a 

 frond, terminal ; inv, deeply cleft with ovate entire lips. 



Hab. Mount Tomali, New South Wales, C. Moore. 



52*. H. Moorei, Baker ; rhizome capillary, wide-creeping ; st. filiform, naked, 

 \-\ in. ; fr. \ in. 1., rounded in upper, cuneate in lower half, flabellately bipin- 

 natifid ; segin. ligulate, \ lin. br., distinctly toothed, close, 1-veined, upper erecto- 

 patent, simple, lower deeply 2-8-fid ; surfaces naked ; sori 1-3 to a frond, 

 usually free, lateral rarely terminal, immersed at the base ; inv. 1 lin. deep, the 

 toothed rounded lips exceeding the short cup-shaped tube. 



Hab. Lord Howe's Island, C. Moore. 



52*. H. minimum, A. Rich. ; rhizome filiform, wide-creeping ; St. filiform, 

 \-^ in. ; fr. oblong-deltoid, |-| in. 1., with several close spreading distinctly- 

 toothed pinna?, the upper simple, ligulate, the lower often forked ; sori solitary, 

 terminal on the main rachis only ; inv. free, cut about halfway down the valves, 

 toothed.— F<y. Astrol. t. \^.fig. 2. 



Hab. New Zealand and Auckland Isles. — Differs from all the forms of Tunhridgense 

 by its solitary terminal sori. 



52*. H. Cheesemanni, Baker ; rhizome filiform, wide-creeping ; st. filiform, 

 J in. 1. ; fr. forked or palmately 3-4-fid, \-\ in. 1., with ligulate ciliato-dentate 

 one-veined lobes, |-1 lin. br., narrowed at the base, rarely simple ; sori terminal 

 on the lobes ; inv. immersed at the base only, the entire rounded valves much 

 exceeding the very short tube. — Hk. Ic. t. 1182. 



Hab. Titiranja range, New Zealand, T. F. Cheeseman; discovered in 1870. 



63*. H. khasianum, Baker; rhizome capillary, wide-creeping; st.\-'\\ in., 

 winged upwards ; fr. lanceolate, tripinnatifid, 2-3 in. 1. ; pinnce close, deltoid, 

 ascending, cuneate-truncate at base on lower side ; lobes close, ligulate, 1-veined, 

 distinctly toothed, the upper simple, the lower forked ; main rachis winged 

 throughout ; surfaces naked ; swi copious, free, terminal, the ovate toothed lips 

 reaching down nearly to the base. — Leptiocionium flacciduni, V, D. B. Suppl. 

 p. Go. 



Hab. Khasia, Oriffilh, Hk. fil. & Tliomson. 



XVII.— TRICIIOMANES. Page 71— C8. 



14*. T. exiguum, Baker ; rhizome filiform, wide-creeping ; st. very short ; fr, 

 A-^ in., linear-oblong, narrowed at the base, blunt, repand, rarely deeply pin- 

 natifid, the edge ciliated with minute stellate bristles ; central vein distinct from 

 base to apex ; veinlcts fine, ascending, usually simple, with a few spurious venules 

 interspersed ; sorus solitary, terminal ; lip rounded, half as long as the immersed 

 cuneate tube. — Hymenophyllum, Bedd. Fern. Brit. Ind. t. 2,1b. 



ILib. Hills of west side of Indian Peninsula and Ceylon. 



24*. T. assimile, Mctt. ; rhizome slender; st.^l in.]., winged upwards;^, 

 oblong-lanceolate, 2^ in. 1., 1 in. br., tripinnatifid, proliferous from the stem 

 or rachis j rachis winged throughout ; lower pinuoi ovate-rhomboid, with 



