56 NORTH AMERICAN FLORA [Volume 24 



dotted; leaves 1-4 em. long; stipules subulate, 2 mm. long; petioles 2-3 mm. long; rachis gla- 

 brous or with a few scattered short hairs; stipels minute; leaflets 15-21, oblong to obovate, 

 2-4 mm. long, obtuse to emarginate at the apex, glabrous on both sides, sparingly glandular- 

 punctate beneath; peduncles 1-2 cm. long; racemes 2-3 cm. long; rachis glabrous; bracts lan- 

 ceolate, acuminate, ciliolate-dentate; calyx-tube turbinate, strongly 10-ribbed, glabrous, about 

 1.5 mm. long; upper 4 lobes oblong-ovate, obtuse or rounded at the apex, shorter than the tube, 

 the lowest one lanceolate, acute, about equaling the tube; corolla purplish; blade of the banner 

 subreniform, 1.5 mm. long, nearly 3 mm. broad; wings and keel-petals inserted towards the 

 base of the staminal tube; blades of the former 3.5 mm. long, those of the latter 4.5 mm. long; 

 pod obliquely obovate, glabrous, conspicuously glandular-dotted. 



Type locality: Bay of Magdalena, Lower California. 

 Distribution: Type locality and vicinity. 



17. Parosela radicans (S. Wats.) Rose, Contr. U. S. Nat. Herb. 

 8: 305. 1905. 



Dalea radicans S. Wats. Proc. Am. Acad. 17: 341. 1882. 



A suffruticose perennial, with a woody caudex; stem much branched, glabrous, sometimes 

 erect and short, 1-2 dm. high, sometimes trailing and 3-4 dm. long; leaves 1-1.5 cm. long; 

 stipules subulate; petioles very short; rachis glabrous; stipels small, subulate; leaflets 13-19, 

 narrowly linear, 2-4 mm. long, glabrous; peduncles 1 cm. long or less; racemes 1-2 cm. long, 

 lax; bracts lanceolate, acuminate, falcate, glabrous; calyx-tube turbinate, strongly 10-ribbed, 

 glabrous, 2 mm. long; lobes triangular-lanceolate, acuminate, shorter than the tube; corolla 

 magenta-colored; blade of the banner rounded-cordate, about 3 mm. long and broad, the claw 

 2 mm. long; blades of the wings 4 mm. long, those of the keel-petals nearly 5 mm. long, the 

 claws of both 1-1.5 mm. long; pod obliquely obovate, glabrous, conspicuously glandular-dotted. 



Type locality: Sierra Madre, south of Saltillo, Coahuila. 

 Distribution: Coahuila. 



IV. Lasiostomae. Perennials, more or less woody, at least at the base. Leaflets many 

 or few, small. Racemes spike-like but not very dense; bracts caducous, conspicuously glandu- 

 lar. Flowers short-pedicelled. Calyx 10-ribbed, with conspicuous yellow glands in the broad 

 intervals, glabrous without, more or less pubescent within; lobes very short. Blade of the 

 banner suborbicular. Wings and keel-petals inserted below and near the middle of the 

 staminal tube, or in the aberrant P. Thorn psonae near the base; blades obliquely obovate, with 

 small basal lobes; pod mostly glabrous and conspicuously glandular-dotted. 



18. Parosela Thompsonae Vail, Bull. Torrey Club 24: 18. 1897. 



A low shrub; branches short, retrorsely strigose and with scattered orange glands; leaves 

 1-2 cm. long; stipules subulate, minute; rachis strigose and glandular-dotted; leaflets 5-9, 

 elliptic to oblong-obovate, 2-3 mm. long, strigose on both sides, sparingly glandular-dotted 

 beneath; peduncles 1-2 cm. long; racemes 3-4 cm. long; bracts lanceolate, small, caducous; 

 flowers short-pedicelled; calyx glabrous without, pubescent within; tube campanulate, compara- 

 tively strongly 10-ribbed, with 1-3 conspicuous orange glands in each interval, 2.5-3 mm. long; 

 lobes broad, ovate, acutish, 1.5 mm. long; corolla rose-purple; blade of the banner rounded- 

 reniform, 5 mm. long and fully as broad, the claw 2.5 mm. long; wings and keel-petals inserted 

 near the base of the staminal tube, the blades 7-8 mm. long, the claws 2-3 mm. long. 



Type locality: Northern Arizona. 

 Distribution: Northern Arizona. 



19. Parosela Schaffneri (Hemsl.) Rose, Contr. U. S. Nat. Herb. 12: 

 273. 1909. 



Dalea Schaffneri Hemsl. Diag. PI. Nov. 7. 1878. 



A suffruticose perennial; branches glabrous, slender, glandular-dotted; leaves 1-2 mm. 

 long; stipules subulate; petioles short; rachis glandular-dotted; stipels gland-like; leaflets 15-41, 



