322 NORTH AMERICAN FLORA [Volume 25 



1.8 mm. wide, rounded, ciliolate, at base sparsely incurved-puberulous; keel glabrous, purplish, 

 4—4.2 mm. long; capsule oval, ciliolate, 5.7-6.5 mm. long; seed subsericeous-pilose, 4 mm. 

 long; aril 0.7-0.8 mm. high, the corneous umbo about 0.5 mm. high, densely spreading-pilose, 

 the narrow scarious margin subentire, the dorsal lobe lacking. 



Type locality: Saltillo, Coahuila. 

 Distribution: Known only from the type locality. 

 Illustration: Contr. Gray Herb. 47: pi. l,f. 13. 



26. Polygala Palmeri S. Wats. Proc. Am. 

 Acad. 17: 325. 1882. 

 Stems several, 1.2-1.8 dm. high, densely and subcanescently pubescent with spreading- 

 incurved hairs; leaves from oval below to oblong or obovate-oblong, the middle and upper 

 15-16 mm. long, 4.5-7 mm. wide, obtuse or truncate, mucronate, cuneate at base, thick, 

 incurved-spreading-pubescent; racemes 3.5-4.5 cm. long, canescently pubescent, 6- 1 1 -flowered ; 

 flowers pale greenish-yellow and purplish; wings obovate, 5.7-6 mm. long, 2.8 mm. wide, 

 acutish, pubescent nearly all over with spreading-incurved hairs; keel equaling wings; capsule 

 oval-ovate, somewhat narrowed above, rounded at base, ciliolate, 10 mm. long; seed 6 mm. 

 long; aril 1.5 mm. deep, with spreading-pilose umbo and much narrower subentire scarious 

 margin extended into short anterior and dorsal subhorizontal lobes. 



Type locality: Juarez, Coahuila. 



Distribution: Extreme western Texas and Coahuila. 



Illustration: Contr. Gray Herb. 47: pi. l,f. 15. 



27. Polygala racemosa Blake, Contr. Gray 



Herb. 47: 28. 1916. 



Several-stemmed, fruticulose below, 2.5-3.5 dm. high, densely incurved-puberulous but 

 green; lower leaves strongly reduced, the middle and upper linear, 1.5-3.1 cm. long, 1.5-3 mm. 

 wide, acute, incurved-puberulous; racemes 16-21 -flowered, 7-13 cm. long; flowers apparently 

 greenish; sepals lanceolate, subacuminate, 2-2.3 mm. long; wings oval-obovate, 4.5-4.8 mm. 

 long, 2.9 mm. wide, rounded, ciliolate, puberulous with incurved-spreading hairs below and 

 toward apex; keel 4.5-4.8 mm. long; capsule oval, rounded at base, substipitate, ciliolate, 

 7-9.5 mm. long; seed 4.5 mm. long; aril 0.7-1 mm. high, the umbo pilosulous, the somewhat 

 narrower scarious margin lobulate, the dorsal lobe very short, the lateral obsolete. 



Type locality: Santa Eulalia Mountains, Chihuahua. 

 Distribution: Southern Arizona and Chihuahua. 

 Illustration: Contr. Gray Herb. 47: pi. l,f. 16. 



28. Polygala rectipilis Blake, Contr. Gray 



Herb. 47: 27. 1916. 



Several-stemmed, fruticulose below, erect, about 2 dm. high, densely and shortly spread- 

 ing-pilose with straight hairs; lower leaves oblong or oblong-oval, 8-14 mm. long, the middle 

 and upper linear, 12-22 mm. long, 1.7-2.6 mm. wide, shortly spreading-pilose; racemes flexu- 

 ous, 4- 1 8-flowered, 4-10 cm. long; flowers purplish; sepals lanceolate, 2 mm. long; wings 

 obovate-oval, 4.5 mm. long, 2.8 mm. wide, subacute, short-unguiculate, ciliolate and along 

 costa pilosulous with spreading hairs; keel purple with yellow apex, 4.8-5.3 mm. long; capsule 

 oval, spreading-ciliate, 7.5-8 mm. long; seed 4 mm. long; aril 1 mm. high, the umbo pilosulous, 

 the narrower scarious margin scarcely lobed. 



Type locality: Limestone hills south of Hillsboro, Sierra County, New Mexico, at an altitude 

 of 1065 meters. 



Distribution: New Mexico and Coahuila. 

 Illustration: Contr. Gray Herb. 47: pi. l,f. 14. 



29. Polygala reducta Blake, Contr. Gray 

 Herb. 47: 25. 1916. 



Polygala scopulorum Brand. Univ. Calif. Publ. Bot. 6: 364. 1917. 



Several-stemmed, suffruticulose below, 1.7 dm. high or less, incurved-puberulous, rarely 

 nearly or quite glabrous; lower leaves narrowly oval-oblong, 5-9 mm. long, the middle and 



