FLORA VITIENSIS. 415 
breviter bifidum ; perianthium oboyatum, apice truncatum, angulis quinis acutis.—Samoa, ad folia plan- 
tarum et in frondibus Hymenophyllorum ramis stellatis repens (Powell!),—Caulis 3-4 lineas longus, cum 
foliis 4-3 lineam latus. Folio nigro-fusca.—Similis est LZ. trematodi. 8. L. pentadactyla, Mont. Cent, 
vol. vi. n. 3; Syll. p. 75.—Tahiti, in foltis Crossostylis biflore (Lepine). 
5. L. tripuncta, (sp. nov.) Mitt.; caulis repens, ramosus ; folia patentia, alterna, sublanceolato- 
ovata, margine dorsali ventralique dentibus spinosis divaricatis 2-3 armata, cellulis in folii_ medio 
tribus majoribus pellucidis equidistantibus in lineam dispositis, lobulo magno saccato, dimidium 
folii occupante lsevi; amphigastria ad basin usque in laciniis angustis divergentibus furcata.— Viti, 
in foltis Spiridentis (Seemann !), 
Exilissima species, ramis cum foliis vix } lineam latis. 
§ 6. Hulejeunia.—Perianthium 2-5-plicatum. 
The following Polynesian species belong to this section :—9. LZ. Sumoana (sp. nov.), Mitt. ; eaulis in 
cespitem depressum intricatus ; folia divergentia, rotundo-ovata, obtusa, lobulo ovato involuto; amphigastria 
parva, rotunda, sinu parvo bidentata; folia involucralia conformia; amphigastrium ovale, breviter obtuseque 
bidentatum ; perianthium obovato-oblongum, obtusum, deplanatum, dorso subconcavum, ventre convexum. 
—Samoa, ad corticem (Powell !)—Caulis cum foliis 3 lineam latus. Folia fusca. 10. ZL. effusa (sp. nov.), 
Mitt.; caulis repens, parum ramosus; folia divergentia, oblique ovata, obtusa, integerrima, lobulo ovato 
involuto apice unidentato; amphigastria nulla; involucralia apice latiora, rotundata, lobulo oblongo obtuso ; 
periauthium obcordutum, compressum, dorso planum, ventre medio convexum.—Samoa, ad frondes Tricho- 
manis applane repens (Powell).—Caulis 2-6 lineas longus, cum foliis 3 lineam latus. Folia albo-viridia,— 
Species pusilla, foliis integerrimis, cellulis exterioribus rotundatis, interioribus autem duplo triplove majori- 
bus oblongis. 11. ZL. cancellata, Nees et Mont.; Gottsche, Lindenb, et Nees Syn. Hepat. p. 885,—Sand- 
wich Islands (Gaudichaud).—Planta exigua, aliquot lmearum longitudine, fuscula, rigidula. 12. LZ. pacifica, 
Mont, Ann. des Sc. Nat. 18483; Gottsche, Lindenb. et Nees Syn. Hepat. 378.—Sandwich Islands (Gaudi- 
chaud). 18. ZL. vesicata (sp. nov.), Mitt.; caulis arcte appressus, repens, ramosus ; folia rotunda, obtusissima, 
lobulo ovato subsaccato ; amphigastria orbiculata, ad 4 usque bifida; folia involucralia subacuta, lobulis 
acutis; amphigastrium oblongum; perianthium oblongo-obovatum, obtusum, quinque-plicatum, carinis 
plicarum cellulis vesiculosis tumidulis asperis.—Pacifie Islands (Beechey 1), Isle ot Pines, Main Peak 
(Milne !), Samoa (Powell !).—Caulis in maculas latas depressas dispositis, latitudine cum foliis 5 lineam 
metientes. Folia pallide olivaceo-viridia, cellulis rotundatis pellucidis interstitiis grossis obscuris areolata, 
—L. Wightii, Indie orientalis similis, sed paululum = majora, foliis e cellulis grossioribus areolata. 
14. L. arrectifolia (sp. nov.), Mitt. ; exilis ; caulis repens, prostratus ; folia assurgentia, ovali-oblonga, obtusa, 
lobulo satis magno saceato ; amphigastria nulla; folia involucralia minora, lobulo unidentato ; penanyhiam 
obovatum clavatumve, quinque-angulatum.—lIsle of Pines, ad folia Spiridentis adherens (Strange '), 
Samoa, in frondibus Zichomanis repens (Powell!). 15. L. variifolia Gp. Deas oe Sane. 
talis, repens, cespitosus; folia heteromorpha, assurgentia, ee seaen oO sare ongo % bap 
planove, seepe obsoleto; unphigastria nulla; folia involuera ia majora, rotun a oa Aare on 
clavatum, obtusum, superne equaliter pentangulum.—Samoa, ad. corticem Sepa es owe im = is bre- 
vissimus, cum foliis } lineam latus. Folia olivaceo-fusca.—Species ES aa is oe is, foliis ae 
ceutibus, lobulo obsoleto, Jungermannias parvas integrifolias simulans. 1 ak an nyt ne Priaa 3 3 
caulis repens, ramosus ; folia remotiuscula, alternantia, rotundata, obtusissima, lo ° conse Sap Mai 
tralis oceupante dimidium folii w#quante subovato tumido, apice unidentato ; amp “gas ae . as fouled 
involueralia rotundata, lobulo acuto louge in caulem descendente ; amphigastrium ova om i ae aoe 
jut ovale, obtusum, compressum, dorso planum uni- ventre bicarinatum.—Isle of Pines, ad folia Spiriden is 
tae < 1) —-Rxilisgima, ramis semilineam longis, foliis nudo oeculo inconspicuis pallide viridibus, 
watts Soa Pei ry. Be, lancifolia (sp. n0v.), Mitt. ; exilissima; caulis elongatus ; folia alterna, 
eee tf 3 rt ata. acuta, lobulo dimidium folii oceupante obsoletove; amphigastria nulla; folia 
eee ee ex ‘3 ee higastriumque oblongum, bidentatum ; perianthium oyale, apiculatum, compressum, 
Nn oI te erase, ad folia Garovaglie Samoane repens (Powell),—Caulis 83-5 hneas 
RE A aL ia i ta, minutissima, pallide albo-viridia. 18. LZ. occulata, Gottsche, 
a Ua a Teer wits fF ii, ad Radulam Javanicam,—This species received its name 
Lindenb. et Nees Syn. Hepat. p- Crd haste cells * placed as to appear like an eyelet in the leaf 
trom the presence of two or exe he Li denb. et Nees Syn. Hepat. p. 387.—Hawaii, ad Radulam 
near to the stem. 19. sige oa ea rece mbba’ ramosus ; folia imbricata, rotunda, 
Javanicam, 20. L. erenulata (sp. meaiee e; ami higastria parva, subrotunda, bidentata ; folia involucralia 
crenata, lobulo parvo ovato see cee neh erianthium obovatum, obtusum, compressum, dorso uni- 
obtusa obtuse acutave ; amphigast!iih peed : muscos late cespitans (Powell !).—Caulis 3-6 lineas 
ventre biplicatum, angulis crenatis.—Samoa, inte a 


