IKICHOMANKS. 147 



IJ. I'iniiatii, yV. J), rcptiiiis, yv. (Trich. ropliuis, .S'm'.) D. Kraiissii, 

 /v. 'I'riih. (I look, rt f.'rrv.) I). iiiiiscoicK-s, Pr. (Trich. S,r. Tr. apo- 

 (liiiii, l/ook. el <;riv.) I). <|U('rcir()liiiin, I'l. (Tridi. /Ii>„k. rl Grn\) I). 

 inimitiilimi, (/((!«/. 1). alatmu, /V. (Ilyiiicii. alaluin, .SC/Jf. FH.t. l."<;'), 

 h.) D.decipiens, /Ms/-. I). Filiciila, Pr. (Tricli. bilabialum, AVr.v vt HI. 

 Hynion. Filiciila, liori/). D. lirevipes,"' Pr. I), iindulatuin,*" Pr. 1). 

 serrulalum,^' lir. § tl. Cl.il..(limn, Pr. 1). Nccsii, (Trich. HI. Tiicli. 

 denticulatuin, Necs et HI. tion C'uv.) D. longisctuni,-^ Jir. § III. 

 Crepidium, Pr. 1). huinik', Pr. (Trich. J''urst.) 

 Xir. Meuint.ium. Tah. VIII. li. — M. Meycnianmn, Pr. M ? Hlumf- 

 amiin, Pr. (Hynieuophyllum pectinalimi, Nccs cl HI. Hym. IMinnea- 

 uiini, Spr.) (With the species of this u:ciuis 1 am luiacciuaintod. 

 Meritiffium, the author says, is allied to Didi/mof/lossiim ; difVeriiipr in 

 the involiiere, which has a short campanulatc tube, aud a limb deeply 

 bipartite, the segments wide, concave, at length divaricated, with 

 thicker receptacles. His lirst species, M. Mci/eninnutn, is a native of 

 Manilla. The second, " doubtful " as to genus, is the lli/mcii. lilu- 

 ineanum of Spr. and IJluni. En. Fil. Jav [omitted in our sjjccies], thus 

 characterized ; " frond pinnalifid or bi])innatifid brown glabrous, pin- 

 HcE alternate approximate cuneato-oblong pinnalifid, segments linear 

 snbbifid obtuse almost rctnse, valves ol^ the involucre subrhonibeo- 

 ovale obtuse, stipes terete. Ilipn. pcctinatum, Nees et Bl. in Act. Nat. 

 Cur. xi. t. 12, f. 5." .lava, Blunu;, who observes that it comes very 

 near Ili/ni. sancjtiinolentuiii). 



XIII. HEMU'HLEmuM, Pr. Tab. IX. — H. pusillum, Pr. (Tricli. ^w.) 



Trib. II. HVMENOPHYLLOIUE^, Pr. 



(This corresponds with Flipnenophyllum, Sm. " Involucre bifid, com- 

 posed of 2 plates (laniincc), about equal in length with the receptacle." 



XIV. Leptocionium, IJr. Tab. XI. D. — L. dicrauolrichum, Pr. L.? 

 fucoides, (Hynieuophyllum, Su\) 



XV. Myrmecostylum, Pr. Tab. X. A. — M. tortuosuio, Pr. (Trichom. 

 Banks, MS. Hymenoph. Hook, et Grcv.) INI.? dichotomum, Pr. 

 (Hymenophyllum, Cav.) M. elavatum, Pr. (Hymenoph. Sw.) 



XVI. Ptychophyllum, 7V. Tab. XI. E. — Pt. plicatum, Pr. (Hymen. 

 Kaulf.) 



XVII. Hymenophylh M, Pr. Tab. XI. A, B, C. Tab. XII. A, B. — 

 § I. SphiEiodium, Pr. H. Wilsoni, Hook. (H. Tunbridgense, Schk. 

 Fil. t. 13a, d.) U. Meyeri, ^^ ]>,-. (H. Tunbridgense, b. Drege). H. 

 antarcticuiij, (II. Tunbridgense, Sicb. Syn. Fil.) H. Menziesii,'^^ Pr. 



'* This is probably No. 2 of Mr. Cuming from Luzon, and if so it is our 

 T. Kilicula, supra, p. 124, with which species the author compares it. 



■^" Probably united to our Tr. Filiciila or Tr. huniile, two species with 

 which Presl compares it : from Luzon, Cwning. 



•" This, the u. 221 of Cnining's Philippine Island plants, is the same 

 with Hymen, bivalve, J. Sm., H. Sniithii, nob. supra, p. 97. 



'^2 This I have no hesitation in referring to Tr. rigidum, supra,p. 133. 



*3 The plant of Drege is referred to 11 . Wilsoni, supra, p. i)6 ; and our 

 author says of it, " valde afTinis H. Wilsoni." 



^* This scarcely seems, from the descripliou, dill'erent from H. Wilsoni, 



L 2 



