CAESALPINIACEAE. 169 



as the stipules, bearing a solitary small, slender-stalked gland; leaflets 5-16 

 pairs, linear, 5-12 mm. long, inequilateral, thin, pubescent or glabrate, often 

 ciliate, mucronate; peduncles 1-flowered, not longer than the petioles; sepals 

 thin, lanceolate, 3-4 mm. long; petals obovate, slightly longer than the sepals; , 

 stamens 5-7; pod linear, loosely pubescent or glabrate, 1.5-3 cm. long, 3 mm. 

 wide or less. 



Sandy and rocky soil, New Providence, South Caicos : Cuba to St. Jan, St. 

 Kitts and Grenada ; Margarita ; Bonaire ; Curagao ; Jamaica. 



2. Chamaecrista riparia (H.B.K.) Britton, Bull. Torr. Club 44: 11. 1917. 



Cassia riparia H.B.K. Nov. Gen. 6: 369. 1824. 



Erect, slightly woody, 2-5 dm. high, the stem, the ascending branches and 

 leaf-rachis villous with long, spreading, brownish hairs. Stipules lanceolate o'r 

 linear-lanceolate, striate-veined, 4-10 mm. long; petioles villous, mostly shorter 

 than the stipules, bearing a solitary, rather stout-stalked gland; leaflets 6-25 

 pairs, linear, 6-12 mm. long, inequilateral, aristate, glabrous or very nearly so ; 

 peduncles 1-flowered, shorter than the petioles ; sepals lanceolate, loosely villous, 

 about 5 mm. long; larger petals 7-8 mm. long; pod linear, loosely villous, 1.5-3 

 cm. long, 3-4 mm. wide. 



Pine and scrub-lands, Andros, New Providence, Eleuthera : Grand Cayman. 

 Referred by Dolley to Cassia glandulosa L. ; by Hitchcock to Cassia nictitans L. ; 

 by Mrs. Northrop to Cassia mimosoides L., and by Britton (Bull. N. Y. Bot. 

 Gard. 3 : 443) doubtfully to Cassia aspera Muhl. 



3. Chamaecrista lucayana Britton, Bull. Torr. Club 44: 8. 1917. 



Cassia lucayana Britton, Bull. N. Y. Bot. Gard. 4: 138. 1906. 



A much-branched shrub, 1.5 m. high or less, the twigs densely pubescent, 

 very leafy. Petiole 6-12 mm. long, somewhat pubescent, bearing a stout flat- 

 topped gland below the lowest leaflets ; rachis sparingly pubescent or glabrous ; 

 leaflets 4-9 pairs, coriaceous, glabrous, minutely papillate, inequilateral, ovate 

 to ovate-oblong, sessile, obliquely cordate or subcordate at the base, obtuse to 

 acutish and distinctly cuspidate at the apex, 1-2 cm. long, 4-12 mm. wide, 

 finely many-veined, the veins parallel, somewhat anastomosing; stipules lance- 

 olate-subulate, 3-4 mm. long; peduncles 1 or 2 in the axils, 3-4 cm. long, 

 pubescent; legume linear, flat, narrowed at the base, abruptly short-tipped, 

 nearly glabrous or with a few scattered hairs when mature, 4-5 cm. long, 5-7 

 mm. wide, imperfectly septate between the seeds; seeds obliquely quadrate, 

 compressed, dull, 4-5 mm. long, -about 2 mm. broad. 



Rocky scrub-lands, Exuma Chain from a cay north of wide opening to Great 

 Exuma, Cat Island, Conception Island and Rum Cay. Endemic. 



4. Chamaecrista caribaea (Northrop) Britton, Bull. Torr. Club 44: 8. 1917. 



Cassia caribaea Northrop, Mem. Torr. Club 12: 39. pi. 6. 1902. 



A branched shrub, 1 m. high or less, the young twigs sparingly appressed- 

 pubescent or glabrate. Petiole '2-7 mm. long, bearing a nearly cylindric gland 

 or glandless; leaflets 2-4 pairs, coriaceous, glabrous, shining, inequilateral, 

 oblong to narrowly elliptic or oblong-lanceolate, sessile, acute and mucronate at 

 the apex, obliquely rounded at the base, strongly veined, 1.5-2.5 cm. long; 

 stipules lanceolate-subulate, about 4 mm. long; flowers solitary in the axils, 

 rarely 2, peduncles glabrous, very slender, 2-3 cm. long; calyx about 1 cm. 

 long; the outer sepals pilose on the back; petals about twice as long as the 

 sepals, obovate; pod linear, 3-5.5 cm. long, 5-7 mm. wide, sparingly short- 

 pubescent. 



^Rocky scrub and pine-lands, Andros, New Providence and Cat Island. En- 

 demic. 



12 



