Phaseolus. DIADELPHIA DECANDRIA, 289 
when compared to the rest of the plant. Flowers collected 
on oblong, terminal, glandular heads, pretty large, of a dirty 
greenish-yellow colour. Legumes cylindric, hairy, from ten 
to fifteen-seeded, Seeds dark gray, sub-cylindric, and separ- 
ated by membranaceous partitions. 
Children eat the seed, the plant is too much clothed with 
stiff long hairs, to be liked by cattle. 
6. P. calcaratus, Roxb. 
Biennial, villous, Leaflets somewhat three-lobed,  Sti- 
_pules lanceolar, adnate. Racemes elongated. Bractes two- 
flowered, with a gland between. Carina with a remarkable 
long horn, Legumes cylindric, pendulous, smooth, many- 
seeded, 
Found in a cultivated state in Mysore by Mr. Benjamin 
Heyne, and by him the seed was sent to the Botanic garden, 
where the plant thrives remarkably well, and is in blossom, 
and ripens its seed the greatest part of the year. 
Root at least biennial, Stem and branches twining, some- 
what hairy, the whole plant from three to four, or more feet 
long. Leaves ternate. Leaflets nearly equal, the pair ob- 
- Jiquely ovate-cordate, and generally more or less three-lobed ; 
the terminal one sub-ovate, all are slightly villous, from four 
_ to five inches long, and from two to three broad when full 
grown, Stipules of the petiole adnate, lanceolar, those of the 
leaflets subulate. Racemes axillary, generally solitary or in 
pairs, sub-erect, longer than the leaves, the flower-bearing 
portion elongated, a rare circumstance amongst the Indian 
Phaseoli, Bractes of the pedicels three-fold, two- flowered, 
lanceolate, caducous ; those of the calyx narrower, and more 
permanent. Pedicels short, with a large glandulous knob be- 
tween their insertions. Flowers yellow, large and ornamen- 
tal. Keel paler-coloured than either the banner or wing, and 
the horn on the right side (that is when looking on the back 
of the keel) is in this species remarkably love thence the 
specific name. Legumes gee slender, near! y ae 
VOL, Il. 
