216 NORTH AMERICAN FLORA [Volume 24 



with a basal auricle. Keel-petals clawed, rounded at the apex; blades obliquely oblanceolate 

 or obovate, nearly semicircular. Stamens 10, diadelphous, the free portion of at least the 5 

 lower filaments as long as the sheath, the filaments subequal or the lower 5 much longer than 

 the upper. Style glabrous. Pod stipitate, flat, acute at each end, 2-valved, with neither 

 partitions nor constrictions between the seeds. Seeds compressed, ovate. 

 Type species, Robinia florida Vahl. 



Filaments unequal in length, the lower 5 nearly twice as long as the upper 5; 



style falcate-incurved; keel-petals obliquely obovate. 1. S. florida. 



Filaments nearly equal in length; style nearly straight; keel-petals oblong- 

 oblaneeolate. 

 Keel about 2 cm. long; leaflets oval. 2. 5. punicea. 



Keel about 3 cm. long; leaflets oblong. 3. 5. carinalis. 



/ 



1. Sabinea florida (Vahl) DC. Ann. Sci. Nat. 4: 92. 1825. 



Robinia florida Vahl, in West, Bidr. St. Croix 300. 1793. 

 Sabinea dubia DC. Prodr. 2: 263, in part. 1825. 



A shrub or tree, up to 6 m. high; branches sericeous-strigose when young, soon glabra te; 

 stipules lanceolate, 4-5 mm. long; leaves 6-10 cm. long; rachis glabrous, sulcate above; leaflets 

 16-30, elliptic-oblong, 1-1.5 cm. long, rounded at each end, mucronate at the apex, sericeous 

 beneath when young, soon glabrous on both sides, reticulate, pale-green; calyx 4 mm. high 

 and about as broad, subtruncate; corolla light-purple, 15-18 mm. long; banner suborbicular; 

 wings elliptic-oblanceolate, with a lanceolate basal auricle; those of the keel-petals broadly 

 obliquely obovate, with a deltoid basal auricle; style strongly incurved ; pod stipitate, the body 

 linear, about 7 cm. long and 6 mm. wide, acute at each end; stipe about 1 cm. long; beak 

 curved upwards. 



Typb locality: St. Thomas. 



Distribution: Porto Rico, Virgin Islands, and Dominica. 



Illustrations: Vahl, Symb.3: pi. TO; Am. Jour. Bot. 11: pi. 33 N,f. 1-S. 



2. Sabinea punicea Urban, Symb. Ant. 1 : 323. 1899. 



Sabinea florida Bello, Anal. Soc. Esp. Hist. Nat. 10: 259. 1881. Not 5. florida DC. 1825. 



A shrub, 1-2 m. high; branches glabrous or sparingly strigose when young, terete; stipules 

 deltoid, with a subulate tip, 3-5 mm. long; leaves spreading, 7-15 cm. long; rachis glabrous or 

 sparingly strigose, sulcate above; leaflets 10-20, oval or obovate, rounded, truncate, or retuse 

 and mucronate at the apex, rounded at the base, 1-2.5 cm. long, 5-15 mm. wide, glaucous-green, 

 glabrous, reticulate above, pale or yellowish and glabrous or puberulent only on the veins 

 beneath, the petiolules 1 mm. long; stipels manifest, small, lanceolate; bracts lanceolate, 1.5-2 

 mm. long, pubescent; pedicels 7-15 mm. long; bractlets 2, minute; calyx 5 mm. long, 5-6 mm. 

 wide, subtruncate, the lobes minute, subulate, less than 1 mm. long; banner suborbicular, 

 obtuse or emarginate, 17-18 mm. long, 13-14 mm. broad, the claw 4 mm. long; blades of 

 the wing oblong, 1 cm. long, with a rather large basal auricle; keel-petals obliquely oblance- 

 olate, rounded at the apex, with a small basal auricle; body of the pod linear, the stipe nearly 

 1 cm. long; beak straight. 



Typb locality: Near Mayagiiez, Porto Rico. 



Distribution: Porto Rico. 



Illustration: Am. Jour. Bot. 11: pi. 33 N,f. 9-11. 



3. Sabinea carinalis Griseb. Fl. Brit. W. Ind. 183. 1859. 



A shrub; branches glabrous, terete; stipules lanceolate; leaves 5-10 cm. long; rachis pu- 

 bescent; leaflets 12-16, oblong, 10-16 mm. long, 3-6 mm. wide, glabrous, rounded at each 

 end, minutely mucronate; flowers 3-5 in axillary fascicles; pedicels about 8 mm. long; calyx 

 about 6 mm. high and broad, the lobes obsolete; corolla bright-scarlet; banner about 25 mm. 

 long, the blade suborbicular, reflexed; wings 25 mm. long, the blades spatulate-oblong, strongly 



