FLORA VITIENSIS. 415 
breviter bifidum ; perianthium obovatum, apice truncatum, angulis quinis neutis.—Samoa, ad folia plan- 
tarum et in frondibus Hymenophyllorum ramis stellatis repens (Powell !).—Caulis 3-4 lineas longus, cum 
foliis 4-4 lineam latus. Folio nigro-fusca.—Similis est Z. trematodi. 8. L. pentadactyla, Mont. Cent. 
vol. vi. n. 3; Syll. p. 75.— Tahiti, in foliis 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 æquidistantibus in lineam dispositis, lobulo magno saccato, dimidium 
folii occupante laevi; amphigastria ad basin usque in laciniis angustis divergentibus furcata.— Viti, 
in foliis Spiridentis (Seemann !). 
Exilissima species, ramis cum foliis vix 1 lineam latis. 
8 6. Eulejeunia.— Perianthium 2-5-plicatum. 
The following Polynesian species belong to this section :—9. L. Samoana (sp. nov.), Mitt.; caulis in 
cæspitem 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 å lineam latus. Folia fusca. 10. Z. effusa (sp. nov.), 
Mitt.; caulis repens, parum ramosus; folia divergentia, oblique ovata, obtusa, integerrima, lobulo ovato 
involuto apice unidentato; amphigastria nulla; involueralia apice latiora, rotundata, lobulo oblongo obtuso ; 
perianthium obcordatum, compressum, dorso planum, ventre medio convexum.— Samoa, ad frondes Zricho- 
manis applane repens (Powell).— Caulis 2-6 lineas longus, eum foliis 4 lineam latus. — Folia albo-viridia.— 
Species pusilla, foliis integerrimis, cellulis exterioribus rotundatis, interioribus autem duplo triplove majori- 
bus oblongis. 11. L. cancellata, Nees et Mont. ; Gottsche, Lindenb. et Nees Syn. Hepat. p. 385.—Sand- 
wich Islands (Gaudichaud).— Planta exigua, aliquot linearum longitudine, fuscula, «САРАН 12. L. pacifica, 
Mont. Ann. des Se. Nat. 1843; Gottsche, Lindenb. et Nees Syn. Hepat. 378.—Sandwich Islands (Gaudi- 
chaud). 13. L.vesicata (sp. nov.), Mitt.; caulis arcte appressus, repens, ramosus ; folia rotunda, obtusissima, 
lobulo ovato subsaccato ; amphigastria orbieulata, ad 4 usque bifida; folia involueralia subaeuta, lobulis 
acutis; amphigastrium oblongum; perianthium oblongo-obovatum, obtusum, quinque-plicatum, carinis 
plicarum cellulis vesieulosis tumidulis asperis.—Pacifie Islands (Beechey!), Isle of Pines, Main Peak 
(Milne !), Samoa (Powell ).—Caulis in maculas latas depressas vi prae latitudine eum foliis 4 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. Г. arrectifolia (sp. nov.), Mitt. ; exilis; caulis repens, prostratus; folia assurgentia, ovali-oblonga, obtusa, 
lobulo satis magno saccato; amphigastria nulla; folia involucralia minora, lobulo unidentato; perianthium 
obovatum clavatumve, quinque-angulatum.— Isle of Pines, ad folia Spiridentis adherens (Strange !), 
Samoa, in frondibus Trichomanis repens (Powell!) 15. Г. variifolia (sp. nov.), Mitt. ; caulis horizon- 
talis, repens, cæspitosus; folia heteromorpha, assurgentia, rotunda obovatave, lobulo oblongo inflexo 
planove, sepe obsoleto; amphigastria nulla; folia involucralia majora, rotunda; perianthium pyriformi- 
clavatum, obtusum, superne æqualiter pentangulum.— Samoa, ad corticem repens (Powell !).— Caulis bre- 
vissimus, cum foliis + lineam latus. Folia olivaceo-fusca.— Species minuta, ramulis nonnullis, foliis assur- 
gentibus, lobulo obsoleto, Jungermannias parvas integrifolias simulans. 16. Z. alternifolia (sp. nov.), Mitt. ; 
caulis repens, ramosus ; folia remotiuscula, alternantia, rotundata, obtusissima, lobulo totam marginis ven- 
tralis occupante dimidium folii æquante subovato tumido, apice unidentato; amphigastria obsoleta; folia 
involucralia rotundata, lobulo acuto longe in caulem descendente; amphigastrium ovale, bifidum ; perian- 
thium ovale, obtusum, compressum, dorso planum uni- ventre bicarinatum.—lsle of Pines, ad folia Spiridentis 
repens (Strange !).— Exilissima, ramis semilineam longis, foliis nudo occulo inconspicuis pallide viridibus, 
cellulis minutis areolatis. 17. Z. lancifolia (sp. nov.), Mitt.; exilissima; caulis elongatus ; folia alterna, 
patentia, lanceolato-ovata, acuta, lobulo dimidium folii occupante obsoletove ; amphigastria nulla; folia 
involueralia brevia, amphigastriumque oblongum, bidentatum ; periauthium ovale, apiculatum, compressum, 
dorso uni- ventre biplicatum.— Samoa, ad folia Garovaglie Samoanæ repens (Powell).—Caulis 3-5 lineas 
longus, tenuissimus. Folia inter se remota, minutissima, pallide albo-viridia. 18. Z. occulata, Gottsche, 
Lindenb. et Nees Syn. Hepat. p. 357.— Hawaii, ad Radulam Javanicam.—This species received its name 
from the presence of two or three enlarged hyaline cells во placed as to appear like an eyelet in the leaf 
near to the stem. 19. Г. mierodonta, Gottsche, Lindenb. et Nees Syn. Hepat. p. 337.—Hawaii, ad Radulam 
Javanicam. 20. L. crenulata (sp. nov.), Mitt.; caulis procumbens, ramosus; folia imbricata, rotunda, 
crenata, lobulo parvo ovato involuto obsoletove ; amphigastria parva, subrotunda, bidentata ; folia involueralia 
obtusa obtuse acutave ; amphigastrium oblongum ; perianthium obovatum, obtusum, compressum, dorso uni- 
ventre biplieatum, angulis erenatis.—Samoa, inter muscos late cespitans (Powell !).— Caulis 3-6 lineas 
Suz 
