372 FLORA VITIENSIS. 
1, W. rigida, Kaulf, Enum. Fil. p. 193; rhizomate repente, squamis lanceolatis angustis 
acuminatis tecto; frondibus fasciculatis, rigidis, coriaceis, elongatis, linearibus, apice acutis, basi 
angustioribus ; soris in margine continuis,—V. elongata, Sw. Syn. Fil. p. 109. V. ensiformis, Sw. 
l.e. p. 109.—Viti (Seemann ! n. 719 and 720; Greffe !). Also from Sandwich Islands (Banks and 
Solander! Nelson! Collie! Barclay! Macrae! Strickland! Hillebrand!), Aneitum, New Hebrides 
(M'‘Gillivray !), and Mallicolla (Sinclair !). 
XLIV, Syngramma, J. Smith, Hook. Journ. 1845, p. 168. Sporangia in soros superficiales 
lineares subreticulatos collecta. Venw simplices v. furcate, infra parallele, ad marginem anasto- 
mosantes.—Filices rhizomate erecto v. repente, frondibus simplicibus membranaccis teneris diplo- 
taxicis, fertilibus longius petiolatis angustioribus.—Callogramme, Fée, Gen. Fil. p. 169. 
Besides the species mentioned below, the following occurs in tropical Polynesia:—/S. guinata, Hook. 
Sp, Fil. vol, v. p. 152. t, 297, from Solomon’s Islands (Milne! n. 579). 
1, S. pinnata, J. Sm. Hook. Journ. (1845), p. 168. t. 7 C; rhizomate repente; stipitibus semi- 
teretibus, basi setosis; frondibus coriaceis, glabris, simplicibus, ternatis v. pinnatis; pinnis lineari- 
lanceolatis, attenuatis, basi oblique cuneatis, margine cartilagineo leviter undulatis; soris linearibus 
v. reticulatis, interdum rotundatis (yar, 8.).—Gymnogramme pinnata, Hook. Sp. Fil. vol. v. p. 151. 
G. subtrifoliata, Hook. l.c. Hemionitis elongata, Brack. U.S. Expl. Exped. Filices, p. 66. t. 8. 
—Viti (Seemann! n, 715; Harvey! U.S. Expl. Exped.). Also from Erromango (M‘Gillivray!). 
Isle of Jobi (Barelay !), 
Var. 8. rotundata.—Viti (Milne! Greeffe !), 
XLV. Hemionitis, Linn. Syst. Nat, ed. 1, Sporangia venis anastomosantibus imposita, 
in soros superficiales liueares reticulatos collecta. Ven uniformes, anastomosantes, areolis elongato- 
hexagonalibus,—Filices rhizomate erecto v. repente, frondibus cordatis sagittatis palmatis v. pinnatis, 
coriaceis v, herbaceis. 
1. Hi. lanceolata, Hook. Second Cent. Ferns, t. 55; rhizomate repente, pilis ebeneis tecto; 
stipitibus badiis, nitidis; frondibus coriaceis, ovato-lanceolatis, acuminatis; costa valida subtus promi- 
nente straminea nitidissima, venis patentibus, ubique anastomosantibus, areolas oblongas hexagonas 
formantibus, venis omnibus soriferis.—Viti (Seemann! n. 717; Milne). 
Taisus VII]. ACROSTICHER. 
XLVI. Acrostichum, Linn. Syst. Nat. ed. 1. Sporangia paginam totam frondis fertilis 
tegentia, in soros superficiales collecta. Wenz liber, parallel, furcatee.—Filices rhizomate repente 
v. rarius scandente squamigero, frondibus simplicibus integris, diplotaxicis, fertilibus sepe angus- 
tioribus.—Elaphoglossum, Schott, Gen. Fil, t. 15. 
Besides the species described below, the following also oceur in tropical P ia: 
the speci ribed pical Polynesia:—L. A. pellucidum, 
separa aint t, 79. f. 5-7 (A. splendens, Brack. ; A, micradenium, Fée), from the Sandwich Islands 
( acrae | Hillebrand! Gaudichand, U. 8, Expl. Exped.). 2. A. splendens, Bory in Willd. Sp Pl. vol. v. 
p- 104, from the Sandwich Islands (Nelson! Strickland! Milne! Hillebrand! Macrae! ete.). 3. A. emu- 
lum, Kaulf. Enum. Fil, p, 63. from the Sandwich Islands (Chamisso, Hillebrand! U.S. Expl. Exped.). 4 
A. glabratum, Mett. Ann. Se. Nat. ser. 4. yol. xv, p. 54, from New Caledonia (Vieillard). 5. A, Samoense, 
Baker, Syn. Fil. p. 407, from the Samoan Islands (U. 8S. Expl. Exped.). 6. A. Tahitense, Carr. ms. 
(Elaphoglossum Tahitense, Brack.), from Tahiti (Nelson! U. S. Expl. Exped.), . 
43 1. A. Feejeense, Hook , Sp. Fil. vol. v. p. 199; rhizomate brevi, crasso, repente, paleaceo; 
stipitibus semiteretibus, basi paleaceis, fertilibus longioribus ; frondibus coriaceis, submargiuatis, 

