410 FLORA VITIENSIS. 
pinnatus, rarius dichotomus. Folia lobo ventrali minore appresso, basi cauli adhzerente, medio sepe 
tumidulo radicellas emittente. Amphigastria nulla, Perianthium campanulatum, elongatum, com- 
planatum, leve, rarius plicatum, ore truncatum, bilabiatum. 
The following are non-Vitian species:—1. R. Javanica, Gottsche, idem Lindenb. et Nees Syn. Hepat, 
p- 257.—R. cordiloba, Tayl. Lond. Journ. of Bot. 1846, p. 375.—Hawaii (M enzies), Pacific Islands (Night- 
ingale; Herb. Hooker), Samoa (Powell, n, 160), 2. 2. decwrrens (sp. nov.), Mitt.; caulis ramis breviusculis 
patentibus, plumeformi-pinnatus; folia explanata, dorso convexa, divergentia, oblongo-ovalia, obtusa, 
margine ubique incurva, lobulo subquadrato caulem tegente, basi subcordato decurrente, margine exteriore 
revoluto, carina plicature in caulem longe descendente.—Samoa (Powell !)—Caulis 3-4 uncias longus, 
ramis semiunetalibus, cum foliis lineam latus, Folia olivacea, subfusca.—R. Javanice similis, foliis autem 
angustioribus, lobulo majore, angulo insertionis exteriore et carina in caulem decurrente,—This robust 
species, at first sight, resembles some of the species of Madotheca. 8. R. cordata (sp. nov.), Mitt. ; caulis 
vigidus, procumbens, pinnatus ; folia imbricata, late ovata, obtusa, divergentia, basi dorsali semicordata, lobulo 
magno subrotundo, apice obtuse angulato, basi supra caulem late protracto rotundato semicordato auricu- 
lato, carina in caulem descendente, apice sinuata.—Sandwich Islands (Hillebrand !)—Rami_ biunciales, 
cum foliis lineam lati. Folia flavo-fusca.—Habit and size of R. decurrens, and, like it, more resem- 
bling Wadotheca Stangert in general appearance than any of the other species of Radula. 4. R, reflexra, 
Nees et Mont.; Mont. in Voy. de la Bonite Bot. Crypt. t. 147. f. 3.—Sandwich Islands (Gaudiehand !), 
5. It, retroftexa, Tayl. Lond. Journ, of Bot. 1846, p. 378.—Pacifie Islands (Nightingale, Herb. Hooker.). 
6. 2. pinnulata (sp. noy.), Mitt.; caulis gracilis, procumbens, pinnatus; folia explanata, ovato-orbicu- 
lata, lobulo subquadrato angulo apical semitorto, basali cordato, caulem tevente.—Isle of Pines (Strange), 
—Caulis 1-1} unciam longus, ramis sesquilinearibus, cum foliis latitudine semilineam metiens, Folia 
olivaceo-viridia.—R. buecinifere, Tayl., subsimilis, sed caule magis plumeformi pinnato. 7. 2. acuta 
(sp. noy.), Mitt.; caulis gracilis, pinnatim divisus; folia orbiculato-ovata, acuta apiculatave, subinteger- 
rima vel preecipue margive dorsali denticulata, lobulo parvo acuto.—Isle of Pines (Strange), Pacific 
Islands, on a species of Lrichomanes (ex Herb. Ward).—Caulis circiter semiunciam longus, cum foltis 
semilineam latus. Folia viridia, fuscescentia.—R. ancipiti, Saude Lacoste, Syn, Hepat, Javan. t. 10, simil- 
liina, sed foliis in caule primario spe integerrimis, lobulo diversiformi acuto. 
1. R. spicata, Mitt. ‘ Bonplandia,’ 1862, p. 19; caulis prostratus, vage divisus; folia subreni- 
formia, apice devexa, incurva, lobulo oblongo appresso usque ad medium marginis ventralis producto, 
apie obtuse angulato, perianthio oblongo compresso levi; amentula mascula parva, brevia.—Viti 
(Seemann ! n. 837). 
_ _Caulis unciam longus, cum foliis semilineam latus. Folia olivaceo-fusca.—R. Sormose et R, scariose 
sinulis, sed foliis angustioribus et lobulo diversiformi. 
2. R, amentulosa, Mitt. ‘ Bonplandia,’ 1861, p. 867; caulis prostratus, vage ramosus; folia 
devexa, subreniformia, apice rotundata, lobulo satis magno obovato apice rotundato ad medium folii 
margme ventrali producto appresso; perianthium campanulatum, leyve, spicis masculis parvis 
amentiformibus.—Viti (Seemann ! inter n. 837). 
Caulis semiuncialis, latitudine cum foliis #-linearis. Tolia olivaceo-viridia.—R, formose similis sed 
minor, et folia angustiora, lobulo apice rotundato, sensim versus basin angustato; amentula mascula nune 
brevia triphylla, nune elongata exserta, 
3. R. scariosa, Mitt. ; Bonplandia,’ 1861, p. 367; caulis prostratus, vage ramosus; folia 
suborbiculata, convexa, apice incurva, lobulo subovali appresso ad medium usque marginis ventralis 
producto, apice rotundato scarioso-hyalino marginato, amentulis masculis brevibus, perianthio 
oblongo compresso levi.—Viti (Seemann ! inter n. 837) 
~ q: . . “+ *yF « ss 
Caulis semiunciam longus, cum foliis semilineam latus., Folia fusca.— R. formosa paululo minor, foliis 
magis orbiculatis convexisque. 
V. Madotheca, Dumort. ; Gottsche, Lindenb. et Nees Syn. Hepat. p. 262. Caulis procumbens, 
pmnatus. Folia lobo ventrali parvo appresso. 
Amphigastria integra. Perianthinm campanulatum, 
compressum, ore integro bilabiato dentatoye, 
