FLORA VITIENSIS. | 363 
This species is very nearly related to N. propinquum, R. Br., but the enlarged base of the more sessile 
pinne and the greater pubescence, besides other characters, sufficiently distinguish them. 
4, N. nymphale, Carr. ms. ; stipitibus pubescentibus, semiteretibus, supra sulcatis ; frondibus 
membranaceis, utrinque pubescentibus, oblongis, acuminatis, pinnatis; pinnis alternis, remotis, 
horizontalibus, lineari-acuminatis, pinnatifidis, apice attenuatis, serratis v. integris, basi cuneatis, 
infimis distantibus reflexis; lobis oblongis, obtusis, subfaleatis; costa venisque hirsutis; venis sim- 
plicibus, infimis anastomosantibus ; soris inter costand et marginem loborum positis, indusio hirsuto. 
—Polypodium nymphale, Forst. Prodr. n. 442. Nephrodium molle, Auct. ex parte. —Viti (U. S. 
Expl Exped.). Also from Pacific Islands (not New Zealand, as stated in Prodr. Flor. Ins. Aust.) 
(Forster!), Tahiti (Banks and Solander! Nelson! Barclay! n. 3337), Tongan Islands (Nelson ! 
Barclay! n. 8418), and New Hebrides, Aneitum (M‘Gillivray !). 
5. N. truncatum, Presl, Tent. Pter. p. 81; stipitibus levis, trisulcatis ; frondibus membranaceis, 
pinnatis, supra nitidis, ad costam pubescentibus, oblongo-lanccolatis ; pinnis subalternis, sessilibus, 
lineari-lanceolatis, in apicem serratum denique integerrimum attenuatis, basi subtruncatis, infimis 
distantibus cordato-ovatis, pinnatifidis, laciniis oblongis, truncatis v. obtusis; venis simplicibus, 2 
rarius 3 inferioribus anastomosantibus; soris parvis, indusio reniformi integerrimo glabro.— Aspidium 
truncatum, Gaud. Freyc. Voy. p. 332. t. 10. N. Hudsonianum, Brack. U. S. Expl. Exped. Filices, 
p. 188. t. 25.—Viti, Ngau (M'Gillivray ! Milne!). Also from Aneitum (M‘Gillivray !), Manicola 
(C. Moore !), and Sandwich Islands (Nelson! Seemann! Hillebrand !). 
XXIX. Pleocnemia, Presl, Tent. Pter. p. 183. Sporangia receptaculo ex medio venularum 
imposita, in soros globosos compacta. Indusia reniformia. Ven reticulate et arcuato-anastomo- 
santes, areolis costalibus elongatis, venulis marginalibus liberis.— Filices rhizomate subarbores- 
cente ; frondibus amplis, bipinnato-pinnatifidis ; pinnis inferioribus bipartitis v. parvis pinnatifidis.— ` 
Haplodictyum, Presl, Epim, Bot. p. 50. 
1. P. Leuzeana, Presl, Tent. Pter. p. 184; caudice brevi, crasso, erecto ; stipitibus striatis, cum 
ramificationibus supra glanduloso-hirtis; frondibus amplis, subcoriaceis, infra pallidis, subdeltoideis ; 
pinnis lineari-lanceolatis, pinnatifidis v. inferioribus subpinnatis; laciniis oblongis, subfalcatis, 
integris, serrato-dentatis, crenatis v. pinnatifidis; soris ad costulam laciniarum uniseriatis v. irregu- 
lariter bi-triseriatis; indusio reniformi, minuto, fugace. — Polypodium Leuzeanum, Gaud. Bot. Freyc. 
p. 361. t. 6. Nephrodium Leuzeanum, Hook. Sp. Fil. vol. iv. p. 61.—Viti (Seemann! n. 741; 
Harvey! Milne! U. S. Expl. Exped.). Also from the Samoan Islands (Powell !). 
XXX. Sagenia, Presl, Tent. Pter. p. 86. Sporangia receptaculo ex apice venularum liberarum 
v. ex medio v. anastomosanti venularum coalitarum imposita, in soros rotundatos compacta. Indusia 
cordato-reniformia. Venæ e costa pinnate prominentes, venulis arcuato- et repetito-anastomosan- 
tibus cum ramis liberis.—Filices rhizomate brevi erecto v. Sendo v. subrepente; frondibus 
amplis pinnatis, bi-tripinnatis, sæpe pedato-pinnatis. 
The following species have also been found in tropical Polynesia :—1. 8. apiifolia, T. Moore, Ind. Fil. 
p. 85, from the. Sandwich Islands (Macrae! Strickland! Greaves! Seemann !). 2. 8. caryotideum, Wall. 
Cat. n. 376, from Sandwich Islands (Nelson! Hillebrand! U. S. Expl. Exped.). 
1. S. pteropus, Kunze, Bot. Zeit. iv. p. 462; trunco erecto, paleis fuscis ovato-lanceolatis 
. acuminatis onusto ; frondibus subcoriaceis, glabris, breviter stipitatis, oblongis, basi longe attenuatis, 
pinnatipartitis; laciniis ala lata confluentibus, lanceolato-oblongis, acuminatis, subsinuatis, infimis 
nonnunquam bipartitis, superioribus approximatis; soris inter costas secundarias biseriatis, iisque — 
