376 FLORA VITIENSIS. 
9. §. Forsteri, Spreng. Anleit. vol. iii. p. 175; rhizomate repente; stipitibus bast semitereti- 
bus, antice sulcatis, elongatis; frondibus flabelliformibus, repetitissime dichotomis, segmentis 
linearibus compressis coriaceis prominente costatis, glabris v. subscabris, apice soviferis; appen- 
dicibus soriferis, brevibus, suberectis, pinnatis; pinnis 3-5 paribus dispositis, oppositis, lineari- 
bus, elongatis.—Schizea dichotoma, Forst. (non Linn.) Prodr, n, 415.  Ripidiwn dichotomum, 
Bernh. Schrad. Journ. 1800, vol. ii. p, 127. t. 9.£.3. Schizea cristata, Willd. Sp. Pl. vol. v. p. 88. 
S. fastigiata, Smith, Rees Cyel.—Viti (Seemann! n. 792; Harvey! M’‘Gillivray! U, 8. Expl. 
Exped.). Also from Tahiti (Forster! Banks and Solander! Barclay! n. 3330), Kromanga 
(M‘Gillivray !), Tonga (Cook !), New Caledonia (Sir E. Home! M‘Gillivray {), and Aneitum 
(M‘Gillivray ! Milne! C. Moore f. 
3. S. digitata, Swartz, Syn. Fil. p. 150. t. 4. £1; rhizomate repente, paleaceo ; frondibus basi 
triquetris, supra compressis, longissimis, linearibus, costa postice prominente, glabris ; appendicibus 
soriferis erectis, nudis, digitatis, dichotomis v. repetito-dichotomis ; sporangiis quadriseriatis.— 
Acrostichum digitatum, Linn. Sp. Pl. p. 1068. Schizea digitata, Swartz, Syn. Fil. p. 150. <Actino- 
stachys digitata, Wall. Cat. n. 1.—Viti (Seemann! n. 793; U.S. Expl, Exped.). 
LIV. Hydroglossum, Willd. Sp. Pl. vol. v. p. 77. Sporangia transverse ovalia, lateraliter 
medio inserta, vertice annulo multiradiato instructa, in spicis biserialiter disposita, indusiata. Indu- 
sium ven transverse adnatum, squameforme, cucullatum, scariosum, persistens. Ven furcatze, 
venulis reticulatis.—Filices caudice volubili, frondibus palmato-partitis v. pinnatis.—Lygodictyon, 
J. Smith in Hook. et Bauer Gen. Fil. t, 111 B. 
1. H. scandens, Presl, Suppl. Tent. Pter. p. 375; caudice semitereti; frondibus herbaceis, 
pinnatis; pinnis  sterilibus, oblongo-lanceolatis, obtusis, ineequaliter cuneatis, fertilibus ovatis, 
obtusis, basi truncatis; spicis semiteretibus, subpedicellatis, glaberrimis.— Ophioglossum scandens, 
Forst. Prodr. n. 412 (non Linn.). Hymenoglossum polycarpum, Willd. Sp. Pl. vol. v. p. 79. Lygo- 
dium reticulatum, Schk. Fil. p. 189. Lygodictyon Forsteri, J. Sm. in Hook. et Bauer Gen. Fil. 
t, 111 B.—Viti (Seemann! n, 790; Harvey! Sir E, Home! Milne! Greeffe!) Also from Tahiti 
(Cook! Banks and Solander! Barclay ! n. 3328; Collie! Bennett !), Raiatea (Collie !), Aneitum, 
New Hebrides (M‘Gillivray !), and New Caledonia (Strange! C. Moore ! M‘Giilivray !). 
Susorpo V. MARATTIACEZ. 
LV. Angiopteris, Hoffmann, Comm, Soc. Reg. Gott. vol. xii. p. 29. t. 5, Sporangia ovata, 
basi subtus affixa, interne rima lineari-elliptica v, obovata dehiscentia, biserialia, in soros lineari- 
oblongos aggregata. Indusium inferum, lineare, scariosum, fimbriatum, persistens. Ven simplices 
y. furcati, liberee.—Filices rhizomate crasso subgloboso, pulvinis frondium lapsarum spiraliter dis- 
positis ; frondibus amplis, bipinnatis, pinnulis articulatis. 
__ The following species have been distinguished as found in tropical Polynesia, but the characters give 
for their separation do not seem to me, with the materials I have examined, to be sufficient for specific 
distinction :—l. A. evecta, Hoffm. 1. c. p. 29, from Society Islands (Forster!) and Tahiti (Cook | Banks !). 
Allied to A. evecta. 2. A. Durvilleana, De Vriese, Monogr. Maratt. p, 17, from Tahiti (Durville). 3. A, 
longifolia, Grev. and Hook. Bot. Misc. vol. iii. p, 227, from Society Islands (Matthews, n. 2). 4. A, acro- 
carpa, De Vriese, Monogr. Maratt. p. 20, from Society Islands (Bidwill). 5. A. eupreata, De Vriese, |. ¢. 
p. 21, from Society Islands (Bidwill). 6. A. Lasegueana, De Vriese, 1. c. p. 25, from Huahine (Nightingale). 
‘And allied to A. commutata, 7. A. Brongniartiana, De Vriese, 1. ¢. p. 30, from Tahiti (fide De Vriese). 
1. A. commutata, Presl, Suppl. Tent. Pter. p. 285 ; frondibus bipimnatis; pinnis petiolatis, 

