IIYMENOPHYLLUM. 101 



natifid, piimary divisions pointing npwards, the segments li- 

 near-oblong ol)Uise serrated, involueres subscssilc marginal 

 frequently on both sides the ])rimary divisions oval or obovate 

 dentate serrated comj)ressed 2-valved half-way down, recep- 

 tacle protruded in age, stipes slightly winged above frequently 

 crinite.— ,SV. FL Ind. Occ. p. 1717. St/n. Fil. p. IK). W'illd. 

 Sp. PL V. p. 5"23. Trichomanes fucoides, Hedw. Fil. cum Ic. 



Hal). Jamaica, Swartz, Purtlic. Martinique, Siebcr. Summit of the 

 Orphan Mouutains, Gardner, n. .ODjI. Peru, Pocppig. INIexico, (Kuiizc). 

 Caraccas, Linden, h. 57, — This species is very faithfully represented in 

 Iledwig's Filiccs. 



47. 11. denticulatnm, Sw. ; '* frond ovate glabrous deeply 

 subtripinnatifid, ])rimary divisions alternate approximate tra- 

 pezoideo-ovate, secondary divisions cuneiform digitato-pin- 

 natifid, segments linear bifid emarginate sinuato-denticulate, 

 involucres with the mouth 2-li])ped, rachis winged above, 

 entire, stipes short terete." Bl. — .SV. Sijn. Fil. p. 148 ^' 375. 

 JVilhi. Sp. PL v.p. 524. Trichonianes denticulatum, Bliuiie^ 

 E/i. Fil. Jav. p. 226. Hymeno])hyllum humile, Nees. et BL 

 in Nov. Act. Acad. xi. t. 13, /". 3, [sterile). 



Hah. Trunks of trees, Java, Thnnherg, Blume. — I have copied Blume's 

 character of this species as more full than that of Swartz, for I am unac- 

 quainted with it myself. 



**** Fronds decompound; margins entire (not hairy nor ciliated). 

 \ Fronds pinnatijidli/ divided. 



48. H. rariim, Br. ; flaccid pendent, fronds oblong or linear- 

 oblong bipinnatifid, the segments short obtuse erccto-patent 

 broad entire, involucres rhomboid the lower half cuneate sunk 

 the upper forming 2 semicircular entire compressed valves, 

 stipes slender filiform sometimes slightly margined above. — 

 Br. Prodr. Nov. Hall. p. 159. Hymenophyllum fiimarioi- 

 dcs, Bory in JVilld. Sp. PL v. p. 520, [dccording to Kunze). 

 Kaulf. St/n. Fil. p. 269. Knnze, Acot. Afr. Auslr. p. 75. H. 

 australe, Willd. I. c.p. bTI\ H. semibivalve. Hook, et Grev. 

 t. 83. — (3. fronds very short compact imbricated. H. imbri- 

 catum, Colenso,in Taf(m. Phil. Journ. — y. more elongated 

 and acuminate, involucres narrower. 



Hah. Tasmania, Ihoirn, Gnnn, J. D. Hooker. New Zealand, Menztex, 

 Colenso, n. 4\2 and 277, J. D. /looker. Chiloc, Citminj, n. lii and 15. 

 South Africa, Dretje, Ecklon, Hariri/, Forbes, Carmithacl, Mund. Bour- 

 bon and Mauritius, Bory. — /i. Chiloe, Bridyes. New Zealand, Colenso. S. 

 part of Tierra del Fue<;o, Darwin, J. D. Hooker. — y. Ceylon, Mrs. Gen. 

 Walker, Dr. Wiyht, Macrae. — The normal stale of this plant seems to be 

 that figured in the ' Icones Plantarum,' under the name of //. semibimlve, 

 and is common in Tasmania, New Zealand and S. Africa : but a shorter 

 and more compact fnrm is also found, which I have indicated as var. fi. 



