2 Britton: Studies of West Indian plants 



2. Cleome guianensis Aubl. PI. Guian. 2: 675. 1775 



Sandy pine lands, Pinar del Rio, Cuba; northern South 

 America. 



3. Cleome stenophylla Klotzsch; Urban, Symb. Ant. 4: 251. 



1905 

 Plains at low elevations, southern and southwestern Porto 

 Rico; St. Bart's; Bonaire; hillsides, Curacao; Guiana. 



4. Cleome procumbens Jacq. Stirp. Am. 189. pi. 120. 1763 



Hispaniola. Erroneously recorded from Cuba, and, appar- 

 ently also erroneously referred to Jamaica, as Jacquin's figure of 

 the type would seem to represent a well-marked species, not 

 collected since its original discovery. 



5. Cleome Wrightii Urban, Symb. Ant. 5: 346. 1907 

 Sandy soil, Pinar del Rio and Isle of Pines, Cuba. 



6. Cleome macrorhiza Wright; Sauvalle, Anales Acad. 



Habana 5: 199. 1868 



Pine-lands, Pinar del Rio, Cuba. 



7. Cleome obtusa sp. nov. 



Perennial by a slender woody root, glabrous; stems numerous, 

 prostrate, simple or few-branched, slender, 5-15 cm. long. Leaves 

 ovate or elliptic, 4-6 mm. long, rounded or obtuse at the apex, 

 rounded at the base, the midvein prominent, the lateral venation 

 obscure, the petioles 1-2 mm. long; peduncles slender or filiform, 

 4-8 mm. long; sepals obtuse, 2-2.5 mm. long; petals yellow, 

 oblong or oblong-obovate, obtuse or acutish, 3-4 mm. long; 

 stamens about two-thirds as long as the petals; filaments filiform; 

 style about 1 mm. long; capsule elliptic, elliptic-obovate or oblong, 

 compressed, 3-6 mm. long, 2-2.5 mm - wide, obtuse at the apex, 

 somewhat narrowed at the base, few-several-seeded. 



Dry and rocky soil in palm-barrens and savannas, Camaguey 

 and Santa Clara, and in sand on Cayo Guayaba, Cuba. Type 

 from savannas near Camaguey {Britton & Cowell 13165). Hither- 

 to included in C. Wrightii Urban. 



