FABACEAE. 181 



6. CRACCA L. Sp. PI. 752. 1753. 



[Tephrosia Pers. Syii. 2: 328. 1807.] 



Herbs, sometimes slightly shrubby, with odd-pinnate not punctate leaves, 

 and purple red or T\-hite flowers in racemes or short clusters. Stipules small; 

 leaflets entire. Calyx-teeth usually nearly equal. Petals all clawed; standard 

 orbicular or broadly ovate; wings obliquely obovate or oblong; keel curved; 

 stamens monadelphous or diadelphous ; ovules several or many. Pod linear, flat, 

 2-valved, several-seeded. [Latin, vetch.] About 120 species, mainly natives 

 of warm and tropical regions. Type species: Cracca villosa L. 



Racemes short-peduncled ; leaflets blunt, mucronate. 1. C. cinrrca. 



Racemes long-peduncled ; leaflets emarginate, mucronulate. 2. C. cdthtirtica. 



1. Cracca cinerea (L.) Morong, Ann. X. Y. Acad. Sci. 7: 79. 1892. 



Galega cinerea L. PI. Jam. Pug. 19. 1759. 

 Tephrosia cinerea 'Per^. Syn. 2: 328. 1807. 



Eootstock thick, sometimes long, woody; stems slender, usually branched, 

 ascending, erect or diffuse, 5 dm. long or less, more or less pubescent. Leaves 

 5-8 cm. long; petioles 1.5 cm. long or less; stipules subulate; leaflets 9-15, 

 mostly oblanceolate, sometimes narrowly oblong, 1.5-2.5 cm. long, o])tuse or 

 acutish at the apex, often mucronate, cuneate or narrowed at the base, ap- 

 pressed-pubescent, at least beneath; racemes few, several-flowered, peduncled, 

 mostly opposite the leaves; calyx about 5 mm. long, its teeth acuminate; petals 

 about twice as long as the calyx, purple or purplish, the standard about 10 mm. 

 broad; pod 3-6 cm. long, 2.5-4 mm. wide, finely pubescent, containing 10 seeds 

 or fewer. 



Shaded white-lands, Cave Cay, Great Exuma, Rum Cay, Long Island, Acklin's. 

 Grand Turk and Inagua : — West Indies : Mexico to South America. The plant re- 

 ferred to by Hitchcock proved to be the following species. Slender GoATS-itri-:. 



2 Cracca cathartica (Moc. & Se?se) Britton & Millspaugh. 



Galega cathartica Moc. & Sesse, Fl. Mex. ed. 2: 175. 1894. 

 Cracca Schottii Vail, Bull. Torr. Club 22: 25. 1895. 

 Tephrosia cathartica Urban, Symb. Ant. 4: 283. 1905. 



Eoot deep, elongated; stem often much branched, 8 dm. high or less, the 

 branches ascending or diffuse, slender, tough, 2-4 dm. long. Leaves 5-S cm. 

 long; petioles slender, 2 cm. long or less; stipules linear-subulate; leaflets 5-9, 

 oblong-obovate, 1.5-4 cm. long, appressed-pubescent on both sides or glabrate 

 above, mostly retuse at the apex, cuneate-narrcwed at the base; racemes term- 

 inal and opposite the leaves, few-flowered, short or elongated; calyx about 4 

 mm. long, its teeth acuminate; petals purple or red-purple, the standard about 

 8 mm. broad; pod 3-4 cm. long, 4-5 mm. wide, 5-7-seeded. 



Coastal whitp-lands. Elbow Cav. Andrns : Eleuthera : — Cuba: Ilispnnioln : Porto 

 Rico; Virgin Gorda to St. Kitts ; Trinidad; Cayman Islands; Island of Ruatan. Carta- 

 gena ; Colombia. Bushy Goats-eue. 



7. SESBAN Adans. Fam. PI. 2: 327. 1763. 



Herbs or shrubs, Avith evenly pinnate leaves, the leaflets numerous, entire, 

 not stipellate, or the stipels minute. Flowers in axillary racemes, the slender 

 pedicels with 2 deciduous bractlets under the calyx. Calyx campanulate, nearly 

 equally 5-toothed. Standard broad, ovate or orbicular; wings oblong, falcate; 

 keel blunt. Stamens diadelphous (9 and 1). Ovary mostly stipitate, many- 



