FLORA VITIENSIS. 377 
oblongis, pianulis petiolulatis linearibus angustato-acuminatis crenatis, basi rotundatis, subtus 
paleis minutis hine inde adspersis, acumine acute serrulatis; venis furcatis v. simplicibus : venulis 
secundariis € sinu crenz decurrentibus nullis aut ohscuris; soris lineari-ellipticis, contiguis, infra 
marginalibus,—4. evecta, Brack. U. 8. Expl. Exped. Filices, p, 310.—Viti (Seemann! n, 789; 
Milne! Greffe! U, 8. Expl. Exped.). Also from Aneitum, New Hebrides (M'‘Gillivray !), and 
Pahiti (Nelson! Barclay! n. 5334), 
LVI, Gymnotheca, Presl, Suppl. Tent. Pter. in Abhandl. Bohm. Gesellsch. ser. 5. vol. iv. 
p. 272, Sporangia biseriata, interne rima lineari-elliptica dehiscentia, in soros sessiles oblongos 
thecieformes bivalvos absque indusio connata. Vene simplices v, furcatas, liberae.—Filices rhizomate 
crasso globoso, basin squamzformia stipitum gerente; frondium amplis, bipinnatis, pinnulis articu- 
latis.—Stibasia, Presl, 1, c. 275. 
1, G, Douglassii, T. Moore, Ind. Fil. p. 121; stipitibus crassis, supra canaliculatis; frondi- 
bus ovatis, glaberrimis, bipinnatis ; pinnis alternis, linearibus, acutis, pinnulis sessilibus articulatis, 
oblongo-lanceolatis, serratis, coriaceis; soris oblongis, inframarginalibus,—Stibasia Douglassii, 
Presl, l.c, p. 276. Marattia Douglasii, Baker, Syn. Fil. p. 441. 
LVII, Marattia, Swartz, Nov. Gen. et Sp. Pl. p. 128. Sporangia biseriata, interne rima 
lineari dehiscentia, in soros indusiatos sessiles oblongos theceformes bivalvos connata, Ven sim- 
plices v. furcats:, liberee. Indusium lineari-ellipticum v. ovale, scariosum, fimbriatum, persistens,— 
Filices rhizomate crasso glohoso v. caudiciforme, basin squamiformia stipitum gerente; frondibus 
amplis, bi-tripinnatis, pinnulis articulatis.—-Myriotheca, Commers. in Juss. Gen. Pl. p. 15. 
The following species has also been found in tropical Polynesia :—. attenuata, Labill. Sert. Austro- 
Caled, p. 9. t. 18,14. From New Caledonia (Labillardiére, Vieillard). Also from Aneitum, New Hebrides 
(M‘Gilliyray !). 
1, M. sorbifolia, Swartz, Syn. Fil. p. 168; frondibus bipinnatis; pinnis alternis, pinnulis 
sessilibus, alternis v. suboppositis, lanceolatis, acuminatis, margine subintegris v. serratis, apicem 
versus serratis, acumine grosse serratis; veuis simplicibus v. furcatis ; soris oblongis, a margine dis- 
tantibus—Myriotheca sorbifolia, Bory, Voy. vol. i. p. 267.—Viti (Seemann! n. 788; Milne!). 
Also from Aneitum (M‘Gillivray! C. Moore!) and New Caledonia (M‘Gillivray !). 
Susorpo VI, OPHIOGLOSSACEA. 
i i f this Suborder oceur in tropical Polynesia:—1l. Botrychium subbifoliatum, 
‘heck; Tear eet ‘Txped. "Filices, p- 3l7. t, 44. f, 2, from Sandwich Islands (Nelson! Macrae! U.S. 
Expl. Exped.). 2. Helminthostachys Zeylanica, Hook. Gen. Fil, t. 47, from New Caledonia (M‘Gillivray ! 
Vieillard). 
LVIII. Ophioglossum, Linn. Syst. Nat. ed. 1. Sporangia biseriata, margine spice com 
pressee adnata, horizontalia, connata, elobosa, in valvas duas zequales hemispheericas dehiscentia, Spica 
fructifera frondi opposita, linearis, pedunculata, mucronata, Venza reticulate.—Filices rhizomate 
subgloboso, frondibus subecarnosis sterilibus simplicibus y. furcatis—Ophioderma, Endl. Gen. PI. 
p. 66. Rhizoglossum, Presl, Suppl. Tent. Pter. p. 307. Cheiroglossa, Presl, 1. c. p. 316. 
i i i i ia:— . ellipticum 
ies described, the following have been found in tropical Polynesia:—1. O. elhip 
Hook, and Grev 1. Fil, t. 40 A, from the Sandwich Islands (U. 8. Expl. Exped.). 2. OQ. concvnnum, Brack. 
US Expl Exped, Filices, p. 315. t. 44. f. 1, from Sandwich Islands (U. 8. Expl, Exped.), 3. O. reticula- 
tum, Linn. Sp. PL p. 1063, from Samoa (U.S. Expl, Exped.). 
Besides the sp 
