62 FLORA VITIENSIS. 
Wight et Arn. Prodr. 246. P. trinervius, Heyne; Wight et Arn. l.c. p. 245. P. radiatus, Roxb.— 
Viti Islands (U. S. Expl. Exped.). Also collected in the Samoan (U. S. Expl. Exped.) and Tongan 
Islands (Barclay ! n. 5395). 
Barclay also collected in the Sandwich Islands the widely-diffused Phaseolus lunatus, Linn. 
XIV. Vigna, Savi, Diss. 1824, p. 16; Endl. Gen. n. 6675; Benth. Fl. Austr. vol. ii. p. 258. 
Calyx campanulatus, apice 4-fidus, lobo supremo obtuso integro v. 2-fido, infimo sspe paullo longiore. 
Vexillum latum, reflexum, basi callo semilunari v. faleato et appendicibus 2, deorsum subgibbosis ; 
ale subrhomboidez, hine hamatz, carina haud torta, angulo rectiusculo inflexa, subrostrata. Sta- 
mina 10, filamento vexillari libero, basi geniculato haud appendiculato 2-adelpha. Discus vaginifer. 
Ovarium substipitatum, co-ovulatum. Stylus canaliculatus; stigma infra apicem laterale, oblongum, 
ciliato-barbatum. Legumen teres v. compressiusculum, rectum v. subfaleatum, subtorulosum, isthmis 
cellulosis inter semina transversim oc-loculare. Semina oblongo-reniformia, estrophiolata.— Herb 
suffruticosz,, volubiles; folis pinnatim 3-foliolatis; floribus racemosis, plurimis v. paucis in apice 
peduneuli crassi sessilibus; calycibus deciduis 2-bracteolatis. 
1. V. lutea, A. Gray, Bot. Wilkes, p. 452; Benth. Fl. Austr. vol. ii. p. 259; subrobusta, 
. prostrata scandens v. volubilis, subglabra v. ramis junioribus canescentibus v. sericeis; pilis medio 
affixis; foliolis orbicularibus obovatis v. ovato-rhomboideis, seepe obtusissimis; stipulis brevibus, 
latis, stipellis obtusis; floribus flavis, in apice pedunculi fascieulatim aggregatis; calycis labio supero 
brevi lato; carina lata, valde incurva, subacuta; stigmate oblongo ; legumine glabro, recto v. curvato. 
—D. luteus, Swartz, Fl. Ind. Occ. vol. iii. p. 1246. V. retusa, Walp. Rep. vol. i. p. 778. V. anomala, 
Walp. Rep. vol. i. p. 779 (Scythalis, Vogel). Dolichos luteolus, Forst. Prodr. n. 269, et Icon. (ined.) 
t. 196 (non alior.). Dolichos luteus, Sol. Fl. Ins. Pacif. p. 287, et in Parkins. Drawings of Tahit. 
Pl. t. 72 (ined.).—4A common seaside weed, growing with Canavalia obtusifolia and Ipomea Pes-capre 
(Seemann! n. 121). Also collected in the Society (Banks and Solander!) and Sandwich Islands, 
the east coast of New Holland, tropical Asia, Southern Africa, and the West Indies. 
Additional Polynesian species of Vigna, as yet not met with in Viti, are: V. Oahuensis, Vogel (V. vil- 
losa, Hook. et Arn., non Savi), and V. Sandwichensis, A. Gray, both from the Hawaiian Islands. 
XV. Lablab, Adans. Fam. vol. ii. p. 325 ; Endl. Gen. n. 6677. Calyx campanulato-tubulosus, 
4.fidus, lacinia suprema lata, obtusa, 3 inferioribus acutis. Vexillum patens, basi canaliculatum, 
callis 4, 2 superioribus prominentibus; alee liberz, carina falcata, ad angulum rectum incurva, haud 
torta. Stamina 10, filamento vexillari inter petali callos recepto, a reliquis libero, 2-adelpha. Discus 
vaginifer. Ovarium stipitatum, oc-ovulatum. Stylus compressus, parte superiore subtus barbatus ; 
stigma terminale, truncatum, glabrum. Legumen compressum, planum, acinaciforme, juxta utram- 
que suturam tuberculato-muricatum, sub-4-spermum, isthmis cellulosis inter semina interceptum. 
Semina ovata, subcompressa, callo fungoso, semicirculari marginata.— Herbze volubiles ; foliis pin- 
natim 3-foliolatis; foliolis stipellatis, integris; stipulis patentibus; racemis pedunculatis, basi 1- 
phyllis; pedicellis semiverticillatis; calycibus 2-bracteolatis; seminibus nigris v. fuscis, callo albo. 
l. L. vulgaris, Savi, Diss. 1821, p. 19. f. 8 a, b, c; DC. Prodr. vol. ii. p. 401; leguminibus | 
oblongo-ventricosis acinaciformibus, pericarpio facile detractili; seminibus ovatis subcompressis, 
glandula basilari hemispherica suleata.— Dolichos Lablab, Linn. Spec. p. 1019; Lam. Dict. vol. ii. 
p.298. L. niger, Moench, Meth. 153. 
Var. albiflorus, DC. 1. c.; caule pallido; floribus albis; seminibus pallide ferrugineis.—Dolichos 
Bengalensis, Jacq. Hort. Vindob. vol. ii. t. 124. Nomen vernac. Vitiense, “ Dralawa.’—In Taviuni 
and other parts of Viti, on the beach (Seemann! n. 118; U. S. Expl. Exped.). Also collected in 
Tahiti (Capt. Cook !). 3. 
During my stay in Taviuni we used the beans of this plant as a vegetable, but the natives did not 
