416 FLORA VITIENSIS. 
longus, cum foliis } lineam latus. Folia viridia subfuseaque, cellulis grossiusculis interstitiis crassis obscuris 
areolata.— L. vesicate similis, foliis autem erenatis, 21. L. retusula (sp. nov.), Mitt.; caulis exilis, pro- 
stratus; folia alterna, patentia, ovali-oblonga ovatave, apice rotundato, lobulo parvo ovato, margine ubique 
erosa, cellulis in papillam dentiformem productis areolata; amphigastria nulla ; folia involucralia lobulo 
lato acuto; perianthium obovatum, retusum, compressum, dorso concavum, ventre biplicatum, plicis erosis, 
—Aneitum, ad filicem quandam (Milne !)—Caulis cum foliis } lineam latus. Folia albo-viridia.—JZ. papil- 
late Mitt., e Nova Zelandia, similis, papillis autem multo humilioribus. 22. Z. pentagona (sp. nov.), Mitt. ; 
caulis brevissimus ; folia patentia, laxe imbricata, subovali-oblonga, crenata ; amphigastria nulla; folia invo- 
luecralia minora; perianthium obovatum, tumidum, obtuse quinque-angulatum, angulis crenatis,—Samoa, ad 
frondes Trichomanis (Powell !).—Caulis cum foliis 3 lineam latus. Folia albido-viridia. 23. ZL. wncinata 
(sp. nov.), Mitt.; caulis repens, ramosus ; folia alterna, patentia, subovato-lanceolata, uncinata, decurva, 
acuta, e cellulis prominulis areolata, margine dorsali dentibus 1-4 plus minus conspicuis interdum 
obsoletis armata, ventrali integerrima, lobulo magno ovato tumido involuto ; amphigastria parva, fureata ; 
folia involucralia amphigastriumque spinuloso-dentata, ad perianthium obovatum obtuse pentangulumn 
levem appressa —Samoa, ad basin caulium Syrrhopodontis erocet (Powell), Sandwich Islands, ad caules 
Mastigobryii cordistipuli repens (Gaudichaud).—Caulis 3-6 lineas longus, latitudine cum foliis + lineam 
metiens. Folia fusco-olivacea, involuecralia adeo ad perianthium appressa ut primo adspectu facile preeter- 
visa.—L. hamatifolie similis, perianthio autem levi, et foltis magis hamatis divisa. 24. L. subgquadrata 
(sp. nov.), Mitt.; caulis repens, ramosus ; folia alternata, patentia, assurgentia, subquadrata, acuta, inflexa, 
margine dorsali bi-tridentata, ventrale apicem versus uni-bidentata, lobulo magno ovato obsoletove, cellulis 
conformibus Jeevibus areolata; amphigastria ad basin usque in laciniis angustis fissa ; folia involucralia amphi- 
gastriumque ovalia, apice bifido dentata; perianthium obconicum, angulis acutis dentatis.—Samoa, ad 
frondes Trichomanis (Powell).—Caulis 3-4 lineas longus. Folia minutissima. 25. L. levis (sp. nov.), 
Mitt. ; caulis repens, ramosus; folia patentia, laxe imbricata, ovato-lanceolata, margine dorsali ventralique 
denticulis paucis brevibus distantibus serrata, cellulis levibus areolata, lobulo ovato involuto tumido ; 
amphigastria fureata, laciniis angustis.—South Sea Islands (Nightingale ).—L. uneinate statura habituque 
simillima, foliis autem margine ventrali dentatis e cellulis levibus areolatis. 

6. L. polyantha (sp. nov.), Mitt.; caulis prostratus, ramosus ; folia divaricata, ovata, obtusa, 
lobulo parvo involuto ; amphigastria parva, ad medium bifida; folia involucralia subacuta, lobulo elon- 
gato acuto; perianthium obcordatum, compressum, dorso planum, ventre biplicatum, lateribus integer- 
rimis subdenticulatisve; spices mascule elongate, foliis imbricatis, margine cellulis majorikus 
limbatis.—Viti, ad frondem Trichomanis (Harvey!), Aneitum, ad frondem filici repens (Strange), 
Samoa, in Trichomanis frondibus (Powell). 
Caulis parvulus latitudine, cum foliis 1 lineam metiens. Folia pallida. 
7, L. convexifolia, (sp. nov.) Mitt.; caulis ramosus; folia divergentia, imbricata, ovali- 
oblonga, dorso convexa, obtusa, lobulo elongato involuto, usque ad medium marginis ventralis pro- 
ducto, apice dente calcariformi hamato; amphigastria parva, orbiculata, sinu parvo angustissimo 
bifida; folia involucralia conformia; amphigastrium oblongum, apice breviter bidentatum ; perian- 
thium obovatum, obtusum, compressum, dorso uni- ventre biplicatum.—Viti (Seemann !), Pacific 
Islands (Nightingale), Samoa (Powell!). 
Caulis vix unciam longus, cum foliis 2 lineam latus. Folia albo-viridia, firma, cellulis parvis rotundis 
areolata.—L. firme, Mitt., Indie orientalis similis, sed minor et lobulis foliorum apice calcaratis. 
8. L. superba, Mont. Cent. vol. vi. n. 5. t. 6. f. 2; Syll. p. 83; caulis prostratus, ramosus ; 
folia patula, semiorbiculata, apice in cucullum obtusum vel acutum tumidum producta, margine 
ventrali recto per longitudinem totam involuta, cellulis prominulis crenata vel levis, dorsali 3-3- 
dentata, recta flexuosave, e cellulis rotundatis mollibus parietibus torvuloso-constrictis areolata ; 
amphigastria duplicata, ad basin fere in laciniis angustis divergentibus fissa ; folia involucralia minora, 
ovalia, integra, carina parva, crenata; perianthium oblongum, apice truncatum, compressum, dorso 
planum, ventre uni- vel ineequaliter biplicatum, angulis apice acutis obtusiusculisve crenatis.—Tahiti, in 
Neckeria cylindracea parasitans (Lepine), Samoa, ad filices sparsim repens (Powell), Viti (Seemann !). 
pete 2-8 lineas longus. Folia 2 lineam longa, pallide fusco-viridia—L. ealyptrifolia similis, sed 
