84 NORTH AMERICAN FLORA [Volume 24 



banner small, rounded-ovate. Wings and keel-petals inserted below the middle of the staminal 

 tube, the blades large, obovate, with large basal lobes, the claws comparatively long. Pod 

 finely pubescent. 



81. Parosela capitata (S. Wats.) Rose, Contr. U. S. Nat. 

 Herb. 12: 272. 1909. 



Dalea capitata S. Wats. Proc. Am. Acad. 25: 146. 1890. 



A shrub, 3-5 dm. high, much branched; stem straw-colored; branches finely puberulent, 

 leaves about 1 cm. long; stipules subulate, 1-2 mm. long; petiole 1-2 mm. long; rachis glabrous; 

 sparingly glandular-punctate; stipels gland-like; leaflets 5-9, obovate, emarginate, 2-3 mm. 

 long, conspicuously punctate on both sides; peduncles short, seldom more than 1 cm. long, 

 terminating the branches; spikes short and dense, 1-3 cm. long; bracts broadly ovate, acute 

 or short-acuminate, subpersistent, brown, conspicuously glandular-punctate; calyx-tube cam- 

 panulate, 2.5 mm. long, silky, glandular-dotted, not strongly ribbed; corolla yellow; blade of 

 the banner rounded ovate, 3.5 mm. long, the claw 2.5 mm. long; wings and keel-petals inserted 

 far below the middle of the staminal tube, the blades obliquely obovate, with a large basal 

 lobe, 4.5-5 mm. long, those of the keel united along the lower edge, the claws 2 mm. long; 

 pod finely pubescent. 



Type locality: Carneros Pass, Coahuila. 



Distribution: Chihuahua and Coahuila to San Luis Potosi. 



82. Parosela quinqueflora (Brand.) Rydberg. 



Dalea quinqueflora Brand. Univ. Calif. Publ. Bot. 4: ISO. 1911. 



A low shrub; stem much branched; branches flexuose, glabrous; leaves 1 cm. long or less; 

 stipules minute, subulate; petiole about 2 mm. long; rachis conspicuously glandular-dotted; 

 stipels gland-like; leaflets 5-7, cuneate-oblong, about 3 mm. long, usually folded, conspicuously 

 glandular-dotted; peduncles 1 cm. long or less, terminating the branches; spikes short and 

 head-like, 3-7-flowered; bracts ovate, brown, involute, persistent; calyx-tube campanulate, 

 3 mm. long, silky; lobes triangular, acute, much shorter than the tube; corolla yellow; blade 

 of the banner cordate, 4 mm. long, the claw 3 mm. long; wings and keel-petals inserted near 

 the middle of the staminal tube, the blades obliquely obovate, with a rather large basal lobe, 

 those of the wings 4 mm. long, those of the keel 5 mm. long, broader, and united along the 

 lower edge, the claws 1.5 mm. long. 



Type locality: Buena Vista, San Luis Potosi. 



Distribution: San Luis Potosi. 



83. Parosela Lloydii Rydberg, sp. nov. 



A low diffusely branched shrub; branches flexuose, glabrous; leaves less than 1 cm. long; 

 stipules lance-subulate, minute; rachis glabrous, sparingly glandular-dotted; stipels conic, 

 gland-like; leaflets 7-9, about 3 mm. long, cuneate-oblong, infolded, glabrous, glandular- 

 dotted beneath; spikes subsessile, 2-7-flowered; bracts ovate, 2 mm. long, yellow with green 

 tips; calyx-tube campanulate, 2 mm. long, silky; lobes triangular, acute, less than 1 mm. 

 long; corolla yellow; blade of the banner cordate, 2 mm. long; wings and keel-petals inserted 

 near the middle of the staminal tube, the blades obliquely round-obovate, with a large basal 

 lobe, those of the former 2 mm., those of the latter 3 mm. long, the claws 1 mm. long. 



Type collected at Cedros, Zacatecas, April 29, 1908, Lloyd 60 (U. S. Nat. Herb. >io. 574025). 



XIX. Frutescentes. Glabrous shrubs. Leaflets several pairs, obovate or oval. Spikes 

 on peduncles terminating the branches; bracts ovate, glandular-punctate. Flowers sessile 

 or short-pedicelled. Calyx- tube very short, glabrous, strongly 10-ribbed, with usually con- 

 spicuous orange glands in the intervals, ciliolate on the margins; lobes triangular, with short 

 subulate tips, much shorter than the tube. Corolla rose-purple. Wings and keel-petals 

 inserted at or near the middle of the staminal tube, much exceeding the banner, the blades 

 broadly obliquely obovate, with a rounded basal lobe, the keel the longer. Pod glabrous, 

 conspicuously glandular-dotted. 



