Canavalia,] XXIII. LEGUMINOSAE. 121 



•LATHYRUS, Linn. 

 Calyx 5-fid or toothed. Stamiaal tube transversely truncate. Style flattened 

 or dilated upwards, hairy below the stigma. Upper stamen free. Herbs, with sub- 

 erect or climbing rarely winged stems. Stipules often foliaceous. 



Peduncles many-flowered. Pods glabrous . . . . . . . . . . * L. latifolius. 



Peduncles 2-3-flow6red. Pods hirsute or pubescent . . . . . . . . * L. odoratus. 



* L. latifolius, L., Sp. PI. 733. Glabrous. Stems prostrate or climbing, 

 much branched, broadly winged. Stipules broad, acute, adnate to the base of the 

 petiole. Leaflets in 1 pair. Peduncles exceeding the leaves, many-flowered. Pods 

 glabrous, compressed, reticulate. 



NORTH Island : Auckland, Cheeseman. Wellington : a garden escape, not naliuralised. 

 Everlasting pea. Dec, Jan. Europe. 



*L. odoratus, L., Sp. PL 732. Annual. Stems winged, climbing or pros- 

 trate, pubescent or hairy. Stipules adnate to the base of the petiole, linear-acute or 

 acuminate. Leaflets in 1 pair, ovate-oblong, mucronate. Peduncles 5in.-8in. long, 

 2-3-flowered. Calyx pubescent or hairy ; teeth linear, acute or acuminate. Standard 

 exceeding the keel. Pod linear-oblong, hirsute, many-seeded. 



NORTH Island : naturalised, Auckland, Taranaki, Wellington ; plentiful in one or two 

 localities. Sweet pea. Dec, Jan. Italy. 



7. CANAVALIA, DC. 



Two upper lobes of calyx united into a large obtuse entire or 2-lobed lip, 

 the others into a smaller entire or 3-lobed lower lip. Standard broad, reflexed, 

 with 2 callosities inside above the claw ; wings oblong or linear, falcate or 

 twisted, free. Stamens all united, forming a sheath round the ovary, the 

 upper one free at the base only. Pod oblong or linear, broad, 2-valved. 

 Herbs, with trailing or twining stems, large 3-foliolate stipellate leaves, and 

 flowers in axillary racemes. Stipules minute or 0. 



Species, about 12, widely distributed in tropical countries. 



1. C. obtusifolia, DC, Prod. ii. 404. Stems trailing or twining, 

 glabrous or pubescent. Leaflets broadly obovate or suborbicular, obtuse or 

 retuse, 2in.— Sin. long. Peduncles erect, 6in.— 12in. long. Pedicels short ; 

 bracteoles orbicular, deciduous. Flowers pink or white. Standard fin. in 

 diameter. Pod 5in.— 8m. long, lin. broad, with narrow longitudinal wings. 

 Seeds 2-8. — Benth., PI. Austr. ii. 256. C. Baueriana, Endlich., Prod. Fl. 

 Norf. n. 150. 



KERMADEC Islands, Cheeseman. Also on the coasts of tropical South America, Africa, and 

 Asia, Polynesia. 



* DOLICHOS, Linn. 



Calyx-lobes short, the two uppermost united into one broad lobe, entire or 

 emarginate. Standard orbicular, recurved or spreading, with 2 inflexed auricles at 

 the base and 2 callosities inside ; wings falcate, adhering to the incurved keel. Upper 

 stamen free. Style thickened upwards. Pod flat, compressed, falcate or nearly 

 straight, 2-valved. Herbs, often suffruticose. Leaves pinnately 3-foliolate ; leaflets 

 stipellate. Flowers in axillary racemes or solitary. 

 16 



