94 NORTH AMERICAN FLORA [Volume 24 



stipules subulate, 2 mm. long; rachis glabrous, glandular-dotted; stipels represented by glands; 

 leaflets 9-17, cuneate-obovate to oblong, rounded or retuse at the apex, 5-12 mm. long, gla- 

 brous, bright-green above, somewhat glaucous and glandular-dotted beneath; peduncles mostly- 

 opposite the leaves, 1-3 cm. long; spikes elongate, lax, 5-10 cm. long; bracts persistent, broadly 

 obovate, abruptly acuminate, glabrous, with 4-6 conspicuous glands on the back and 2 smaller 

 ones near the tip; calyx-tube broadly turbinate, about 2 mm. long, glabrous, 10-nerved, mem- 

 branous; lobes triangular, short-acuminate, shorter than the tube; corolla deep-purple; blade 

 of the banner deeply cordate, notched at the apex, 2.5 mm. long, the claw 1.5 mm. long; wings 

 and keel-petals inserted near the middle of the staminal tube, the blades with a gland near the 

 apex, 2.5 mm. long, the claws very short ; pod glabrous, glandular-dotted, extending the calyx 

 in fruit. 



Type locality: Sandhills 30 or 40 miles south of Paso del Norte, Chihuahua. 



Distribution: Southern New Mexico and Chihuahua. 



112. Parosela scariosa (S. Wats.) Rydberg. 



Dalea scariosa S. Wats. Proc. Am. Acad. 17: 369. 1882. 



A perennial herb; stems slender, branching, glabrous, 2-3 dm. long; leaves 2-3 cm. long, 

 ascending; stipules subulate; rachis glabrous, glandular-dotted; petiole about 1 cm. long; 

 stipels represented by glands; leaflets 7-9, cuneate-obovate, obtuse or retuse, 5-8 mm. long, 

 glabrous and glaucous, minutely glandular-punctate beneath; spikes comparatively dense, 

 becoming lax and 5 cm. long in fruit; bracts thin, greenish, ovate, acuminate, the white margin 

 somewhat lacerate; calyx slightly pubescent; tube turbinate, not conspicuously ribbed, 2.5 mm. 

 long; lobes deltoid, acuminate, about half as long as the tube, ciliolate on the margins; corolla 

 pink; blade of the banner broadly cordate, 3 mm. long; pod glabrous. 



Type locality: Albuquerque. New Mexico. 

 Distribution: Known only from the type locality. 



XXVII. Mucronatae. Tall glabrous perennial. Leaflets many, comparatively large, 

 cuspidate. Spikes dense, cylindric-oblong, fully 1 cm. thick; bracts ovate, acuminate, per- 

 sistent, glandular-dotted on the back. Calyx-tube prominently 10-ribbed, more deeply cleft 

 on the back; lobes lanceolate, ciliate within. Corolla white. Blade of the banner rounded- 

 oval, cordate at the base. Wings and keel-petals inserted slightly below the middle of the 

 staminal tube. Pod glabrous, with an incurved pubescent beak. 



113. Parosela mucronata (DC.) Rose, Contr. U. S. Nat. 

 Herb. 10: 104. 1906. 



Dalea mucronata DC. Prodr. 2: 246. 1825. 



A perennial; stem 5-10 dm. high, glabrous, angled, very sparingly glandular-dotted, vir- 

 gately branched; leaves 4-7 cm. long; stipules herbaceous, narrowly lanceolate, acuminate, 

 10-12 mm. long; petiole about 1 cm. long; rachis glabrous, not glandular-dotted; stipels ovate, 

 gland-like; leaflets 19-27, or in the inflorescence 7-17, elliptic, cuspidate, 6-10 mm. long, gla- 

 brous on both sides, densely glandular-punctate beneath; peduncles ending axillary leafy 

 branches or the upper axillary and naked, 3-8 cm. long; spikes dense, 1-2.5 cm. long, fully 

 1 cm. thick; bracts ovate, acuminate, ciliate, glandular-dotted on the back; calyx- tube cam- 

 panulate, 2-2.5 mm. long, glabrous, glandular-dotted, not prominently 10-ribbed, more deeply 

 cleft on the back ; calyx-lobes lanceolate, acute, ciliate within; corolla white; blade of the banner 

 rounded-oval, with a cordate base, 3 mm. long, the claw 2 mm. long; wings and keel-petals 

 inserted slightly below the middle of the staminal tube, their blades 3 mm. long, the claws 

 1 mm. long; pod glabrous, obliquely ovate, with a pubescent incurved beak. 



Type locality: Mexico. 

 Distribution: Central Mexico. 



XXVIII. Eysenhardtioides. Glabrous shrubs with straw-colored bark. Leaflets rather 

 few, oblanceolate or obovate, comparatively large. Spikes paniculate, dense, elongate, 

 6-7 mm thick; bracts lanceolate or ovate, shorter than the calyx, deciduous. Calyx- tube 



