FLORA VITIENSIS. — 349 
margine revoluto integerrimo tectis.—Viti (Milne). Also from Sandwich Islands (Hillebrand ! 
D. Nelson ! Macrae!). ; 
3. P. crenata, Swartz, Syn. Fil. pp. 96 et 290; rhizomate repente; stipitibus stramineis, lævi- 
bus; frondibus ovatis, glabris, inferne bi-subtripinnatisectis; segmentis primariis inferioribus petio- 
latis, infimis pinnatisectis, superioribus sessilibus vel decurrentibus, tripartitis v. indivisis, secundariis 
inferioribus subpetiolatis, superioribus decurrentibus, sterilibus oblongis v. oblongo-lanceolatis, mar- 
gine crenato-serratis, fertilibus linearibus, acuminatis, integerrimis, apice sterili serratis ; venis sim- 
plicibus v. furcatis; soris continuis, margine revoluto membranaceo tectis.—Viti Levu (Seemann ! 
n. 811, Milne! Harvey !), Matuku (Sir E. Home!), and Gau (M‘Gillivray). Also from the 
Tongan Islands (Captain Cook! D. Nelson !), Eromanga and Ancitum, New Hebrides (M‘Gil- 
livray !), New Caledonia (M‘Gillivray! C. Moore!), and Upolu, Navigators’ Islands (Sir E. 
Home !). : 
4. P. quadriaurita, Retz, Obs. vol. vi. p. 38; rhizomate breve adscendente ; stipitibus fascicu- 
latis, erectis, basi sparse paleaceis; frondibus ovatis, acuminatis, pinnatis; pinnis breviter petiolatis, 
linearibus, acuminatis, profunde pinnatipartitis ; segmentis subapproximatis, basi confluentibus, ob- 
longis v. elongato-oblongis, apice obtuso rotundatis; costis ad basin costularum supra setis spinu- 
losis praeditis, nervis furcatis, infimis liberis; soris ad latera laciniarum margine revoluto membra- 
naceo integerrimo tectis.— Viti (Seemann! n. 804, Harvey! Sir E. Home! Milne!). Also from 
the Tongan Islands (D. Nelson! Sir E. Home !), Aneitum (M‘Gillivray !), and Sandwich Islands 
(Hillebrand !). 
5. P. esculenta, Forst. Prodr. n. 418 ; rhizomate repente; stipitibus stramineo-fuscis, glabris ; 
frondibus coriaceis, rigidis, ovato-oblongis, acuminatis, tripinnatisectis ; pinnis primariis petiolatis, 
secundariisque triangulato-acuminatis, segmentis lineari-oblongis, indivisis v. pinnatipartitis, mar- 
gine tenuissime crenulatis, supra glabris, subtus pilis stuppeis varicosis dense onustis; soris con- 
tinuis, margine revoluto coriaceo repandulo glabro tectis.— P. aquilina, L., 8. esculenta, Hook. 
Sp. Fil. vol. ii. p. 197.— Viti Levu, and most other Vitian Islands (Seemann! n. 809), Lakeba 
(Harvey!). Also from Aneitum (M‘Gillivray !), New Caledonia (C. Moore !), and Sandwich Islands 
(Macrae! Barclay! Hillebrand !). 
* Unlike the Maoris or Tahitians, the Vitians do not use the rhizome of this plant as an esculent."— 
B. SEEMANN. 
XVII. Litobrochia, Presl, Tent. Pterid. p. 148.  Sporangia apicibus venarum in receptacu- 
lum nerviforme frondis marginem ambiens combinatis imposita, soros marginales lunato-lineares in- 
terruptos v. continuos formantia. Indusium membranaceum, introrsum liberum. Vene reticulate, 
in maculas hexagonoideas elongatas v. breves anastomosantes.—Doryopteris, J. Sm. Hook. Journ. 
1841, p. 404.  Heterophlebium, Fée, Gen. Polyp. p. 139. 
Besides the species enumerated below, the following are found in tropical Polynesia :—1. L. Vieillardii, 
Carr. (Pteris Vieillardii, Mett. Ann. Sc. Nat. ser. iv. vol. xv. p. 66), from New Caledonia (Vieillard ! M‘Gil- 
livray !). 2. Z.aurita, J. Sm. Hook. Journ. 1841, p. 405, Es Tana (M‘Gillivray ), and New Caledonia 
(M‘Gillivray!). 3. L. intermedia, Brack. U. S. Expl. Exped. Filices, p. 107, from the Samoan Islands 
(U. S. Expl. Exped.). 4. L. decora, T. Moore (Doryopteris), Brack. 1. c. p. 103), from the Sandwich Islands 
(Hillebrand! U. S. Expl Exped., Nelson!). 5. L. decipiens, Hook. Sp. Fil. vol. ii. p. 209, from the 
Sandwich Islands (Strickland! Hillebrand! Macrae! Nelson!) i . 
l. L. tripartita, Presl, Tent. p. 150; stipitibus castaneis, semiteretibus, superne canaliculatis, 
glaberrimis; frondibus herbaceis tripartitis, divisionibus primariis lateralibus bipartitis; pinnis ob- 
longo-acuminatis, pinnatis; pinnulis lanceolato-acuminatis, profunde pinnatifidis ; segmentis oblongis, 
[PUBLISHED OCTOBER 30, 1869.] 2 2 
