124 NORTH AMERICAN FLORA [Volume 32 



glabrous; hypanthium 1.5-2 mm. long, glabrous ; calyx-lobes 5, oblong-linear or linear-spatulate, 

 obtuse, often equaling the hypanthium; corolla white, glabrous, 8-10 mm. long, the 5 lobes 

 oblong, obtuse, about half as long as the tube; stamens exserted, the anthers 1.5-2 mm. long; 

 capsule obovoid-oblong, 4 mm. long, 1.7 mm. thick, brown; seeds obovate-oblong, yellowish- 

 brown, winged at each end. 



Type locality: Near Port-au-Prince, Haiti. 

 Distribution : Hispaniola. 



20. Exostema parviflorum Rich. ; Humb. & Bonpl. PI. 

 Aequin. 1: 132. 1808. 



Exostema Valenzuelae A. Rich, in Sagra, Hist. Cuba pi. 48, hyponym. 1850. 



Cinchona parviflora Brign. Mem. Soc. Ital. Modena II. 1: 63. 1862. 



Solenandra ixoroides Hook. f. in Hook. Ic. 12: 45. 1876. 



Steudelago ixoroides Kuntze, Rev. Gen. 298. 1891. 



Exostema Wrightii Krug & Urban; Urban, Symb. Ant. 1: 424. 1899. 



vShrub or tree, 2-3 meters high, the branches stout, brown or grayish, lenticellate, minutely 

 puberulent when young, the internodes short or elongate; stipules 1-2 mm. long, deltoid, acute 

 or acutish, apiculate, thick; petioles stout, 3-10 mm. long, minutely puberulent or glabrous; 

 leaf-blades oval, rounded-oval, or oval-ovate, 1.5-6 cm. long, 0.8-3 cm. wide, obtuse to broadly 

 rounded at the base, rounded to acutish at the apex, sometimes broadly and obtusely short- 

 acuminate, coriaceous, bright-green, lustrous, glabrous or sparsely pilose beneath in the axils 

 of the veins, the venation impressed above, usually prominent beneath, the lateral veins 

 3-5, distant, arcuate, the margin plane or re volute; inflorescence terminal and axillary, cymose- 

 corymbose, 3-6 cm. broad, dense, usually many-flowered, the pedicels 2 mm. long or shorter; 

 hypanthium 2 mm. long, glabrous; calyx-lobes 4 or 5, triangular, acute, half as long as the 

 hypanthium or shorter; corolla white, glabrous, 7-12 mm. long, the lobes 4 or 5, oblong or 

 ovate-oblong, obtuse, about half as long as the tube, spreading; stamens exserted, the anthers 

 1.5-2.5 mm. long; capsule oblong-obovoid, 3.5-5.5 mm. long, smooth, dark-brown; seeds 

 brown, 1.5-2 mm. long, wing-appendaged at each end. 



Type locality: Cuba. 



Distribution: Rocky hillsides, Cuba. 



Illustrations: Sagra, Hist. Cuba pi. 48; Hook. Ic pi. 1150. 



2 1 . Exostema crassifolium Standley, sp. nov. 



Shrub, 6 dm. high, the branches stout, grayish-brown, the branchlets stout, puberulent, 

 the internodes shorter than the leaves; stipules broadly deltoid, 1 mm. long, obtuse or acutish, 

 puberulent; petioles very stout, about 1 mm. long, puberulent; leaf-blades oval or broadly 

 elliptic-oval, 1.2-1.8 cm. long, 0.7-1.2 cm. wide, rounded at the base, broadly rounded or 

 very obtuse at the apex, rigid-coriaceous, green above, lustrous, the costa impressed, brownish 

 beneath, the costa prominent, the lateral veins subimpressed, 2 or 3 on each side, the margin 

 revolute or subrevolute; inflorescence terminal, cymose-corymbose, 2.5-4.5 cm. broad, densely 

 many-flowered, the branches puberulent, the pedicels slender, 1-2 mm. long; calyx-lobes 5, 

 deltoid, acuminate, about 0.3 mm. long; capsule broadly obovoid, 2.5-4 mm. long, brown, 

 lustrous, sparsely and minutely pilose; seeds 1.5-2 mm. long, broadly winged, reddish. 



Type collected between Sabanilla and Yatnuri Arriba, Oriente, Cuba, Jan. 30 — Feb. 1, 1911, 

 /. A. Shafer 8416 (herb. N. Y. Bot. Gard.). 



22. Exostema Shaferi Standley, sp. nov. 



Shrub, 3 meters high, the branches stout, grayish-brown, the branchlets stout, minutely 

 pilose, the internodes short; stipules deltoid, 1 mm. long, acute or acuminate, puberulent; 

 petioles stout, 1.5-2 mm. long, short-pilose; leaf-blades ovate, oval-ovate, or broadly elliptic- 

 ovate, broadest at or below the middle, 2-3 cm. long, 1-1.8 cin. wide, obtuse or rounded at the 

 base, acute or acutish at the apex, thick-coriaceous, glabrous, or puberulent beneath along 

 the lower part of the costa, green above, sublustrous, the costa impressed, brownish beneath, 

 the costa prominent, the lateral veins prominulous, 3 or 4 on each side, the ultimate veins 

 laxly but evidently reticulate, the margin plane or subrevolute; inflorescence terminal, cymose- 

 corymbose, short-pedunculate, 3-5 cm. broad, densely many- dowered, the branches puberulent, 



