60 NORTH AMERICAN FLORA [Volume 24 



7-13, elliptic, crenulate, 2-4 mm. long, glabrous, obliquely striate above, densely glandular- 

 punctate beneath; peduncles 1 cm. long or less, at the ends of short branchlets; bracts lanceo- 

 late, glabrous, glandular-dotted; racemes dense, 1-3 cm. long; bracts ovate, ciliolate-dentate, 

 glabrous, glandular- puncta te ; calyx-tube broadly turbinate, strongly 10-ribbed; lobes lanceo- 

 late, acute, serrulate, equaling the tube; corolla purple; blade of the banner subreniform, 2 

 mm. long, 3 mm. broad, the claw 2 mm. long; blades of the wings and keel-petals 5 mm. long, 

 the claws 1.5 mm. long; pod broadly obliquely obovate, glabrous, conspicuously glandular- 

 punctate. 



Type locality: Jalisco. 

 Distribution: Sonora to Guerrero. 



29. Parosela elongata Rose, Contr. U. S. Nat. Herb. 8: 306. 1905. 

 A perennial; stem 5-10 dm. high, glabrous, distinctly glandular-dotted; leaves 3-5 cm. 

 long; stipules minute, subulate; petioles 4-5 mm. long; rachis glabrous, not winged, sparingly 

 glandular-dotted; leaflets 7-15, oblong, obtuse, 7-12 mm. long, glabrous, conspicuously glan- 

 dular-dotted along the margins, minutely so on the lower surface; peduncles subopposite the 

 leaves, 5-6 cm. long; racemes elongate, 8-12 cm. long; bracts ovate-lanceolate, acuminate, 

 glabrous, conspicuously glandular-dotted, ciliolate-dentate; calyx-tube broadly turbinate, 

 strongly 10-ribbed, glabrous, rather conspicuously glandular-dotted between the ribs, 1.5 mm. 

 long; lobes lanceolate, acute, serrulate, as long as the tube; corolla purple; blade of the banner 

 rounded-cordate, truncate, 2.5 mm. long, the claw 1.5 mm. long; wings and keel-petals inserted 

 towards the base of the staminal tube, the blades broadly obliquely obovate, with a rounded 

 basal lobe, about 4 mm. long, the claws 1 mm. long; pod rounded, obliquely obovate, glabrous, 

 conspicuously glandular-punctate. 



Type locality: Jojntla, Morelos. 



Distribution: Known only from the type locality. 



30. Parosela oculata Rydberg, sp. nov. 



A low shrub; branches terete, strigose; leaves 4-5 cm. long, spreading; stipules subulate, 

 2-3 mm. long; rachis sparingly strigose; stipels gland-like; leaflets 25-37, oblong, glabrous, 

 about 5 mm. long, glandular-dotted beneath, the glands along the margins longer; racemes 

 dense, 3-S cm. long; bracts glabrous, glandular-dotted, lanceolate; calyx-tube turbinate, 2 

 mm. long, strongly 10-ribbed, with inconspicuous glands in the intervals; lobes lanceolate, 

 acute, 1.5 mm. long; corolla purplish-blue, except a cream-colored, glandular-dotted eye on 

 the banner; blade of the banner reniform, 2.5 mm. long, fully 3 mm. wide, the claw 1.5 mm. 

 long; blades of the wings 3 mm. long, those of the keel-petals 6 mm. long, the claws of both 1 

 mm. long; pod unknown. 



Tvpe collected at Cerralvo, Lower California, April 19, 1911, Rose 168S4 (U. S. Nat. Herb. 

 no. 638901). 



VI. Unifoliatae. Slender annuals. Leaves 1-3-foliolate. Racemes slender and lax. 

 Flowers pedicelled, reflexed. Calyx small, ciliate on the ribs and margin ; lobes ovate, shorter 

 than the tube. Banner shorter than the wings, with a suborbicular blade. Wings and keel- 

 petals inserted about the middle of the staminal tube; blades obliquely obovate, with a rounded 

 basal lobe. 



31. Parosela unifoliata (Rob. & Greenm.) Rose, Contr. U. S. Nat. 

 Herb. 8:303. 1905. 



Dalea unifoliata Rob. & Greenm. Proc. Am. Acad. 29: 383. 1894. 



A slender annual; stem glabrous, diffusely branched from near the base, 2-4 dm. high, 

 minutely glandular-punctate; leaves unifoliolate; stipules minute, subulate; petioles 6-10 mm. 

 long, glabrous, with a pair of glands near the base of the leaflet; leaflet broadly ovate to orbic- 

 ular, 0.5-2 cm. broad, truncate or subcordate at the base, rounded at the apex, glandular- 

 crenate on the margins, minutely glandular-punctate, thin, glabrous; racemes terminating 

 the branches, lax, 5-10 cm. long; bracts lanceolate, 2-3 mm. long, ciliate, acuminate, deciduous; 



