336 FLORA VITIENSIS. 
dibus petiolatis, glaberrimis, coriaceis, sterilibus ovato-lanceolatis, acuminatis, simplicibus, fer- 
tilibus lineari.lanceolatis, acuminatis, sinuato-pinnatifidis, segmentis curvatis; indusio reniformi, 
amplo.— Davallia heterophylla, Smith, Mém. de l'Acad. Turin, vol. v. p. 415.  Humata pinnatifida, 
Cav. l.c. p. 273. Davallia pinnatifida, Sw. Syn. Fil. p. 180.—Viti Levu, on trees (Seemann! n. 
759; U. S. Expl. Exped.). Also Society and Samoan Islands (U. S. Expl. Exped.). 
2. H. polypodioides, Brack. U. S. Expl. Exped. Filices, p. 228. f. 32; rhizomate gracili, 
repente, ramoso, squamis filiformibus dense tecto ; frondibus stipitatis, coriaceis, triangulari-oblongis, 
acuminatis, pinnatifidis, basi cordatis; segmentis oblongis, obtusis, sterilibus apice dentatis infimis 
pinnatifidis v. margine inferiori lobatis, fertilibus crenato-dentatis; indusio suborbiculari.— Daval- 
lia sessilifolia, Bl., var. 8, Baker, Syn. Fil. p. 89.— Direction Island and Vanua Levu (U. S. Expl. 
Exped.). 
3. H. Gaimardiana, J. Smith, in Hook. Journ. 1842, p. 425; rhizomate repente, squamoso ; 
stipite gracili, erecto, paleaceo; frondibus coriaceis, ovato-lanceolatis, pinnatifidis; segmentis lineari- 
oblongis obtusis v. acutis, infimis szpe auriculatis; venis furcatis, parallelis ; soris submarginalibus, 
obliquis.—JVephrodium Gaimardianum, Gaud. Voy. Freyc. Bot. p. 335. t. 12. f. 1 (1826). Da- 
vallia parallela, Wall. Cat. n. 251 (1828).— Viti (Milne!). Also from Sandwich Islands (Frey- 
cinet ; U. S. Expl. Exped.). : 
4. H. serrata, Brack. U. S. Expl. Exped. Filices, p. 230; rhizomate repente, squamoso ; sti- 
pite setoso-paleaceo ; frondibus coriaceis, glabris, cordato-ovatis, sterilibus pinnatis, pinnis oblongo- 
ovatis, inciso-pinnatifidis, laciniis lineari-oblongis dentatis, fertilibus acuminatis, basi tripinnatis, 
superne bipinnatis; pinnis petiolatis; pinnulis lineari-lanceolatis, acutis, inciso-serratis ; rachi costa- 
que marginatis; soris parvis, sinubus serraturarum insertis; indusio orbiculari, margine æquali.— 
Viti and Samoan Islands (U. S. Expl. Exped.). 
5. H. botrychioides, Brack. U. S. Expl. Exped. Filices, p. 231. t. 31; rhizomate repente, 
squamoso; stipite gracili, setoso-paleaceo; frondibus glabris, coriaceis, triangulari-ovatis, sterilibus 
pinnatis, pinnis sessilibus oblongo-lanceolatis inciso-pinnatifidis, laciniis oblongis obtusis crenulatis, 
fertilibus bipinnatis, pinnis infimis petiolatis oblongo-lanceolatis, pinnulis linearibus lobato-crenatis ; 
costa marginata; venis incrassatis, furcatis ; indusijs coriaceis, reniformibus, crenulas zequantibus.— 
Viti (U. S. Expl. Exped.; Milne!), and from Aneitum (M‘Gillivray !). 
VI. Acrophorus, Presl, Tent. Pter. p. 93; T. Moore, Ind. Fil. p. xci. Sporangia in recepta- 
culo ex apice v. rarissime furcatura venze orto imposita, soros globosos formantia. Indusia suborbicu- 
laria, basi intus adheerentia, raro confluentia.—Filices rhizomate repente, frondibus subcoriaceis, pin- 
natis v. decompositis, venis pinnato-furcatis v. dichotomis, ramis liberis.—Leucostegia, Presl, 1. c. p. 
94, Odontoloma, J. Smith, Hook. Journ. 1842, p. 424. 
l. A. Macraeanus, Carr. ms.; rhizomate longe repente, squamoso; stipite levi, angulato ; 
frondibus lineari-lanceolatis, pinnatis, pinnis plurimis alternis membranaceis glabris dimidiato-ob- 
longis obtusis, basi oblique truncato-cuneatis, margine inferiori integerrimo subcurvato, superiori 
crenato; soris rotundis, submarginalibus; indusio semi-orbiculari.—Davallia Macraeana, Hook. et 
Arn. Bot. Beech. p. 108. Odontoloma Macraeana, Bracks U. S. Expl. Exped. Filices, p. 226.— 
Viti (Seemann! n. 766). Also from Sandwich Islands (Macrae!), and Aneitum, New Hebrides 
(M‘Gillivray !). 
Brackenridge rightly separates this from Davallia Boryana, Presl, which is a smaller and more deli- 
cate plant, with the pinne very different in form and in the cutting of the upper margin. 
VII. Lindsza, Dryand. in Smith De Fil. Gen. Dors., Act. Turin. 1993, p. 413. Sporangia 
