6 BRITTON: STUDIES OF WEST INDIAN PLANTS 
Leaflets mostly broadly obovate; stamen tube very short; 
pod flat, curved in a partly complete circle. 
Hillsides and river banks. Pinar del Rio and Isle of Pines. 
10. Pithecolobium pinetorum sp. nov. 
A tree up to Io m. high, the young twigs and leaves puberulent, 
the old foliage nearly or quite glabrous. Leaves 2 dm. long or 
less; petioles stout, 1.5-3 cm. long; glands oblong, somewhat 
elevated; pinnae I or 2 pairs; leaflets 3 or 4 pairs, coriaceous, 
oblong or obovate-oblong, pinnately and loosely reticulate-veined, 
rounded at the apex, narrowed or obtuse at the base, 3-6 cm. long; 
peduncles axillary, 3-6 cm. long; calyx coriaceous, campanulate, 
5 mm. long, its teeth broadly obovate, rounded, somewhat un- 
equal; corolla pubescent, its tube about 6 mm. long, its lobes 3 
mm. long, ovate-lanceolate, acute; stamens 2-2.5 cm. long, 
united about one-fourth their length; pod curved into a nearly 
complete circle, about 7 cm. long, 12 mm. wide, flat, not con- 
stricted between the seeds; seeds blue and white, shining, orbicu- 
lar-obovate, 5—6 mm. long. 
Mountain pinelands of northern Oriente. Type from south- 
east of Paso Estancia, May 1-2, 1909 (Shafer 1725); fruit and 
seeds described from Shafer 3096, collected in pinelands of Sierra 
Nipe. 
11. Pithecolobium nipense sp. nov. 
A shrub or a tree up to Io m. high, the young twigs, petioles 
and rachises permanently short-pubescent. Leaves 4-6 cm. long; 
petioles 6 mm. long or less; glands circular, elevated; pinnae 3 or 
4 pairs; leaflets 10-16 pairs, oblong, coriaceous, approximate, 2-3 
mm. long, 1.5 mm. wide, slightly inequilateral, obtuse at the apex, 
rounded or subtruncate at base, glabrous, dark green and lustrous 
above, pale and dull green beneath with the midvein prominent, 
glabrous or with a few scattered hairs; flowers unknown; pod 
curved into a partly complete circle, 6-10 cm. long, 7-8 mm. wide, 
compressed, glabrous, short-stipitate, not constricted between the 
s, or occasionally constricted; seeds blue, shining, oblong- 
obovate to obovate-orbicular, 6 mm. long. 
Mountains of northern Oriente. Type from near Woodfred, 
Sierra Nipe, 450-550 m. altitude, Dec. 20, 1909 (Shafer 3220). 
12. PITHECOLOBIUM ASPLENIFOLIUM Griseb. Cat. Pl. Cub. 83. 
1866 
Western Cuba. Known only from the type collection of C. 
Wright 2403. 
