AR LEAFLETS or PHILIPPINE BOTANY (Vor. I, Art. 12 
ules; leaflets 3, the terminal one symmetrical, about 10 cm. 
long, 3.5 em. wide, broadly lanceolate, apex acuminate, base 
rounded, glabrous above, strigose pubescent beneath with 3 
to 5 pairs of ascending nerves, submembranous; the lateral 
leaflets very inequilateral, more or. less ovate, the upper one 
half straighter and smaller. Inflorescence upon very slender 
glabrous axillary peduncles which vary greatly in length, 
hanging; the terminal flower bearing portion thickened, 
paniculately branched, covered with a dark brown pubes- 
cence; pedicels equally pubescent, 1 to 2 cm. long, straight, 
quite thick, articulate; bud bracts oblong, usually split in 
two, 16 mm. long, acute, with yellowish adpressed hairs 
on both sides, caducous; calyx persistent, saccate, 2.5 cm. 
long, 2 em. wide, with shining brown hairs on the outside 
but which have no stinging qualities, 4-toothed, the upper 
one very broad, the 2 latteral ones longer, the lower one 
longest; banner light cream color, 5 cm. long, elliptic, 3.5 
cm. wide, at the base abruptly contracted into a 7 mm- 
long claw, the lamina strongly reflexed; wings 6.5 cm. long, 
at least 15 mm. wide, nearly straight, terminated into an 
abruptly obtuse apex, oblong, contracted toward the base 
and projected into a spur, claw 1 cm. long and with mar- 
gins ciliate; keels 7 cm. long, obtuse, with a very blunt 
tip strap like, 1 cm. wide just below the upwardly curved 
apieal portion, gradually attenuate clear to the base; mo- 
nodelphous stamens straight, glabrous, equalling the keels 
but protruding above them, the free suberect filaments 
flattened and subclavate toward the apex but ultimately 
abruptly pointed; anthers 4 mm. kng, narrowly oblong, 
basifixed, the slightly smaller ones bearded at the base; ovary 
and style slender, brown pubescent; pods 18 cm. long or 
much less, 4 em. wide, 5 to 7-seeded, tip slenderly acum- 
inate and strongly recurved, sides rather thin and prom- 
inently obliquely ridged or winged, the dorsal and ventral 
sutures bounded by wider wings, with a sparse soft bristle 
like pubescence; beans, flat, hard, nearly circular, 16 mm. 
in diameter, 7.5 mm. thick, dull black. 
Type specimen 8442, A. D. E. Elmer, Baguio, Province 
of Benguet, Luzon, March, 1907. This very distinct alpine 
species occurs in great profusion in ravines of limestone 
