LEGCMINOS*. Ill I.ATHTP.US. 



1. LA'THYRUS. 

 Caljxcampanulatc, the two upper'segments shortest; stjle 

 flat, dilated above, pubescent or villous along the inside, next 

 the free stamen. 



The ancient Greek name of the Sweet Pea. Cor. 5-petaled, vex. largest, 

 obcordate ; aire oblonji, obtuse, curved upwards, approximate ; keel of 2 uni- 

 ted petals with separate claws. Style ascending, bent at a right angle with 

 the ovar}'. — Herbaceous, mostly climbinp;. Leailets from one pair to several. 

 Petioles produced into tendrils. Peduncles axillary. 



1. L. VENO'SUS. Muk. 



Siem 4-coraered, naked; stipules semi- sagittate, lanceolate, very small; 

 peduncles 8 — 16-flowered, shorter than the leaves; hujlets h — 7 pairs, some- 

 what alternate, obtusish, mucronate. Stexii erect, 2 — 3 feet higli. Flowers 

 purple. In shady grounds. Jn. Jl. 



2. L. OCHROLEU'CUS. Hook. 



Stem slender; peduncles 7 — 10-flowered, shorter than the leaves; upper 

 segments of the calyx truncate, angular ; leijlrts about 3 pairs, broadly ovate; 

 stipules senii-cordale. A small, delicate species, in shady places and river 

 banks. June. July. 



3. L. PALU'STRIS. 



S/f?rt winged; stipules semi-sagittate, large, ovate, mncronate ; Icajlcts in 

 3 pairs, oblong-ovate, mucronate ; peduncles 3 — 5-flowered, rather larger than 

 the leaves. A slender climber, found in wet meadows and thickets. Leaves 

 pinnate-cirrhose, broad or narrow-ovate. Flowers variegated with purple and 

 blue, drooping. Stems square, broadly winged at the angles, slender, sup- 

 ported by the tendrils. Jn, Jl. Per. Marsh Latliyrus. 



4. L. M.4Rr'TIMUS. Bio. Pisum maiitimum. P. 



Stem quadrangular, compressed ; petioles flat above ; si/pi/Zfs sagittate ; leaf- 

 lets numerous, subalternate, ovate ; ■peduncUs many-flowered. A pale green, 

 creeping plant, resembling the common pea, found on sandy shores. Stem 

 rigid, 1 — 2 feet in length. Stipules connate. Leaves ending in a branching 

 tendril, the lower pairs of leaflets largest. Flowers large, blue. Pod hairy. 

 .May — July. Per. Beach Pea. 



5. L. MYRTIFO'LIUS. Muh. 



Stem quadrangular, winged, weak and flexuous; stipules semi-sagittate, 

 ovate-lanceolate, acuminate ; leaflets 2 pairs, oblong-lanceolate, acute, mucro- 

 nate, vei[iless ; peduncles longer tlian the leaves, 4 — 5-flowered. A little climb- 

 ber, growing on river banks. Stem about 3 feet long. Flowers red. Jl. Per. 



6. L. LATIFO'L[US. 



Peduncles m^ny-{[oweTed; tendrils 2-]cs.veA, the leaflets hnceo]a.te ; joints 

 membranous-winged. A very showy plant for gardens and arbors, native of 

 England. Stem G feet long, climbing, wiijged between the joints. Flowers 

 pinli. Jl. — Sept. Per. Everlasting- Pea. 



7. L, odor.\'tus. 



Peduncles 2-flowered; tendrils 2Ieaved, the leaflets ovate-oblong; legumes 



