348 BLORA VITIENSIS. 
~ distinctis raro confluentibus, crenis marginis revolutis, membranaceis, indusium continuum v. in- 
terruptum formantibus.— Trichomanes tenuifolia, Burm. Ind. p. 237. Adiantum tenuifolium, Swartz ; 
Schrad. Journ. (1801) vol. ii. p. 85. Pteris humilis, Forst. Prodr. n. 421.—Viti (Seemann ! 
n. 799). Also from Aneitum (M‘Gillivray !) and some Pacific Islands not specified (Forster !). 
XV. Pellea, Link, Fil. Spec. p. 59. Sporangia apicibus venarum imposita, in soros lineares 
continuos fere laminas ambeuntes colfécta. Indusium tenue, pellucidum, continuum, marginibus 
frondium scariosis formatum. Ven: flabellate.—Filices stipitibus fusco-badiis nigrescentibus 
lucidis, frondibus 1-2—3-pinnatis, pedatis v. palmatis, glabris.— Platyloma, J. Sm. Hook. Journ. Bot. 
1841, p. 160. 
The following species is also found in tropical Polynesia :—P. ternifolia, Link, Fil. Sp. p. 59, from 
Hawaiian Islands (D. Nelson! Menzies! Maerae! Hillebrand !). 
l. P. geraniifolia, Fée, Gen. Fil. p. 180; rhizomate cespitoso, glabro; stipitibus teretibus, 
ebeneis, sparse squamosis ; frondibus subcoriaceis, glabris, cordatis, subquinquelobo-palmato-partitis ; 
segmentis primariis pinnatipartitis, laciniis deorsum adauctis, basalibus maximis, utrinque pinnati- 
partitis; segmento medio basi cuneatim angustato, laciniis ultimis ovatis acutis integerrimis ; soris 
continuis; margine revoluto membranaceo tectis.— Pteris geraniifolia, Raddi, Syn. Fil. Bras. n. 110. 
P. Pohliana, Presl, Tent. p. 145. P. pedata, Forst. Prodr. n. 417 (non Linn.). Cassebeera pedata, 
J. Sm. Hook. Journ. 1841, p. 404.  Pellea pedata, Fée, Gen. Fil. p. 180.—Viti (Seemann! n. 798). 
Also from Aneitum, in dry stony places (M*Gillivray !), and from New Caledonia, Nees, Port de 
France, in a wooded ravine (M‘Gillivray!). Found in tropical regions in both the Old and the 
New Worlds. | : : 
XVI. Pteris, Linn. Syst. Nat. ed. i.; Gen. Pl n. 780.  Sporangia apicibus venarum in re- 
ceptaculum nerviforme frondis marginem ambiens combinatis imposita, soros marginales lineares 
continuos v. interruptos formantia. Indusium marginale membranaceum, introrsum liberum. Venæ 
simplices v. furcate, venulis liberis—Monogonia, Presl, Tent. Pter. p. 146. Pycnodoria, Presl, 
Epim. Bot. p. 100. 
In addition to the species described below, the following occur in tropical Polynesia:—1. Pteris 
tenuifolia, Brack. U. S. Expl. Exped. Filices, p. 112, from Tongatabu (U. S. Expl. Exped.). 2. P.irre- 
gularis, Kaulf. Enum. Fil. p. 189, from Sandwich Islands (Nelson! Menzies! Macrae! Strickland! Hille- 
brand!). 8. P. deltea, Ag. Recens. Pterid. p. 33, from Tahiti (Menzies!). 4. P. excelsa, Gaud. Freyc. 
Voy. Bot. p. 888, from Aneitum (M*'Gillivray !), and Sandwich Islands (Hillebrand! Macrae!). 5. P. tre- 
mula, R. Br. Prodr. p. 154, from New Caledonia (M‘Gillivray ), Lord Howe's Island (M‘Gillivray !), 
and Tahiti (Nelson !). 
1. P. longifolia, Linn. Sp. Pl. ed. 1. p. 1074; rhizomate brevi, repente, apice paleis fuscis 
vestito; stipitibus semiteretibus, scabris, basi paleaceo-hirsutis ; frondibus pinnatis, oblongo-lanceo- 
latis, basin versus sensim decrescentibus, pinnis suboppositis e basi inzequalibus cordatis linearibus at- 
tenuatis, sterilibus latioribus serrulatis; nervis furcatis v. simplicibus; soris continuis, margine 
revoluto integerrimo tectis, loco indusii veri paraphysibus numerosis instructis.—Pteris tenuifolia, 
Brack. U.S. Expl. Exped. Filices, p. 112. Viti (Milne), Matuku (M‘Gillivray!). Also from the 
Friendly Islands (D. Nelson! Barclay! Sir E. Home!). New Hebrides, Aneitum (M‘Gillivray !), 
Tana (Barclay !), and Isle of Pines (M‘Gillivray !) 
2. P, Cretica, Linn. Mant. p. 130; rhizomate repente, paleis fuscis vestito; stipitibus strami- 
neis, trigonis, glabris ; frondibus glabris, pinnatis v. pinnatisectis ; pinnis remotis, oppositis, superiori- 
bus simplicibus sessilibus v. decurrentibus, infimis breviter petiolatis furcatis sterilibus argute 
serratis; venis simplicibus v. furcatis; soris continuis (apice sterili segmentorum fertilium serrato) ; 
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