174 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



stipitate with 2, rarely 3 to 6 seeds; legume membranous, inclosed in the calyx, inde- 

 hiscent, usually with only 1 seed. Herbaceous or somewhat shrubby plants, dotted 

 with glands; leaves unequally pinnate (rarely trifoliolate); leaflets small, usually 

 numerous, rarely 3, very rarely only 1, entire; stipules minute, setaceous; flowers 

 white, blue, purple, rarely yellow; spikes pedunculate, terminal or opposite the leaves, 

 dense, often capitate, rarely loosely-flowered. 



1. Dalea doming-ensis DC. 



(Urban, 283.) 



Herbaceous or somewhat shrubby, 0.5 to 2 meters high; stem branched above, leaves 

 4 to 5 cm. long; leaflets 3 to 5 pairs, oblong or obovate-oblong, 10 to 13 mm. long, 5 to 

 6 mm. wide, entire, emarginate, the base cuneate, gray-silky on both sides, with pellu- 

 cid glandular dots; petiolule about 1 mm. long; spikes terminal or opposite the leaves, 

 about 2 cm. long; calyx with long, beautifully plumose setaceous teeth, glandular; 

 corolla 11 mm. long; flowers purple, rose-colored and white in the same spike; standard 

 small, cordate, with several small glands near the middle; pod membranaceous. 



Between Coamo and Salinas, in meadows; near Yauco, in meadows by the river near 

 the town; near Guanica, in thickets on the seashore near Cano Gordo. Cuba, Haiti, 

 St. John. From Texas and New Mexico to Venezuela and Colombia. 



31. TEPHROSIA Pers. 



Cracca L. Sp. PI. 2: 752. 1753. 

 Tephrosia Pers. Syn. 2: 328. 1807. 



Calyx-teeth or lobes subequal, or the lower larger than the rest, the 2 upper ones more 

 united; petals unguiculate; standard suborbicular, often tomentose or sericeous on the 

 outside; wings obliquely obovate or oblong, adhering a little to the keel; keel incurved, 

 obtuse or subacute; upper stamen free to the base or middle; anthers uniform; ovary 

 sessile, with many or rarely 1 or 2 ovules; style incurved or indexed, more or less flat- 

 tened with a terminal stigma, often slightly penicillate; pod linear, or rarely ovate, 

 flattened, 2-valved, continuous or slightly septate within; seeds often with a small 

 strophiole. Herbs, undershrubs, more rarely shrubs; leaves imparipinnate; leaflets 

 numerous, rarely only 1 to 3, the veins in most species numerous, parallel and oblique 

 to the midrib; stipules setaceous or wider and then striate; flowers red, purple, or 

 white, in pairs or clusters, in terminal, leaf-opposed, or rarely axillary racemes, the 

 lower clusters occasionally or sometimes all in the axils of the leaves. 



KEY TO THE SPECIES. 



Perennial with a thick rhizome; stipules subulate or lanceolate; 

 leaves 5 to 7-jugate; leaflets obtuse, with a mucro; flowers 1 to 1.5 

 cm. long, pale purple. 1- T. cinerea. 



Stipules setaceous; leaves'.! or 3-jugate; leaflets obtuse, emarginate; 

 flowers 7 nun. long, blood-red. 2. T. catfiartica. 



1. Tephrosia cinerea (L.) Pers." 

 (Urban, 283.) 



Perennial with a' thick rhizome. 33 to 45 cm. high; leaves 5 to 7-jugate; leaflets cune- 

 ate-oblong or linear, obtuse, mucronate, 2 to 2.5 cm. long, 8 to 9 mm. wide; stipules 

 lanceolate or subulate: raceme 7.5 to 15 cm. long; flowers pale purple or rose-colored, 

 10 to 15 cm. long; calyx 5 mm. deep; standard 1 1 nun. long; pod 3.5 to 4.5 cm, long, I 

 mm. wide, 5 to 9-seeded. 



oCook and Collins, p. L28, as Crarai cinerea. 



\ 



