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. 



io. 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 c" m - lon g'> glands oblong, somewhat 

 elevated; pinnae 1 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 10 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 

 seeds, 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. PI. Cub. 83. 



1866 

 Western Cuba. Known only from the type collection of C. 

 Wright 2403. 



