368 NORTH AMERICAN FLORA [Volume 25 



174. Polygala scoparioides Chod. M6m. Soc. Phys. 

 Geneve 31(2) 2 : 284. 1893. 



Polygala scoparia mullicaulis A. Gray, PI. Wright. I: 38. 1852. 



Polygala Wrightii A. Gray; A. W. Benn. Jour. Bot. 17: 205, as synonym. 1879. 



Stems numerous, angulate, finely incurved-puberulous, 0.9-3 dm. high, slightly glauces- 

 cent; leaves linear-acicylar, 7-14 mm. long, 0.6-1.3 mm. wide, acute to acuminate at each 

 end, mucronate, more or less strongly 2-sulcate beneath, glabrous or nearly so; racemes 1.5-7.8 

 cm. long; flowers white, greenish-veined; sepals oblong-ovate, rounded, glabrous, 1.3 mm. 

 long; wings spatulate-obovate, 2.6-3 mm. long, 1.3-1.6 mm. wide, barely mucronulate at the 

 obtuse (by inflexion apparently acute) apex, 5-veined; keel 2.8 mm. long, the crest on each 

 side of 3 weak lobes; capsule oblong-elliptic, very narrowly winged on upper side, 3-3.5 mm. 

 long, 1.6 mm. wide, the upper cell slightly the longer, tboth cells dehiscent; seed subcylindric, 

 puberulous, 2.5-3 mm. long; aril 1-1.9 mm. long, the 2 linear lobes appressed. 



Type locality: Foothills of the Santa Rita Mountains. Arizona. 



Distribution: Western Texas to southern Arizona, and southward to San Luis Potosi. 

 Illustrations: Mem. Soc. Phys. Geneve 31(2) 2 : pi. 26, f. 6, 7; Contr. Gray Herb. 47: pi. 2, 

 f.81. 



175. Polygala dolichocarpa Blake, Contr. Gray 

 Herb. 47: 107. 1916. 



Stems several from a woody root, suffruticulose at base, 1-3.5 dm. high, simple or sparsely 

 branched, sulcate, sparsely and minutely incurved-puberulous, soon becoming nearly leafless; 

 leaves linear, 3-4.5 mm. long, 0.3 mm. wide, acuminate, cuspidulate, thickish, glabrous, flattish 

 above, convex and veinless beneath; racemes cylindric, loosely many-flowered, the axis 5-10 

 cm. long; flowers white, purplish-veined; sepals ovate, obtuse to acute, purplish in the middle, 

 1-1.4 mm. long; wings spatulate-obovate, 2.7-3.2 mm. long, 1.1-1.3 mm. wide, obtuse, 3-5- 

 nerved; keel 2.6 mm. long, the crest on each side of about 4 entire or 2-3-fid lobes; capsule 

 oblong, 2 mm. long, 1 mm. wide, the upper cell slightly the longer, very narrowly winged, 

 dehiscent, the lower unmargined, indehiscent; seed cylindric, short-pilosulous, 1.5 mm. long; 

 aril 1 mm. long, the 2 linear scarious lobes appressed, entirely wanting in the seed from the 

 lower cell. 



Type locality: Minas de San Rafael, San Luis Potosi. 

 Distribution: Known only from the type locality. 

 Illustration: Contr. Gray Herb. 47: pi. 2,f. 83. 



176. Polygala scoparia H.B.K. Nov. 

 Gen. &Sp. 5: 399. 1823. 



IPolygala mexicana DC. Prodr. I: 333. 1824. 



Polygala flagellar ia Pavon; Chod. Mem. Soc. Phys. Geneve 31 (2) 2 : 282, as synonym. 1893. 



Polygala fill for mis Pavon; Chod. Mem. Soc. Phys. Geneve 31(2) 2 : 282, as synonym. 1893. 



Stems numerous, fruticulose below, fascicled from a woody root, branched, slender, striate, 

 finely incurved-puberulous, 7.5-13 cm. long; leaves rather crowded, linear-acicular, 5-9 mm. 

 long, 0.4-1 mm. wide, acuminate, cuspidate, thickish, 1-nerved but not sulcate beneath, gla- 

 brous or very sparsely incurved-puberulous; racemes dense or loose below, 0.5-2.3 cm. long; 

 flowers white, the wings green or purplish-maroon along middle; sepals oval or ovate, obtuse 

 to subacute, with green or purplish midline and whitish border, 1 mm. long; wings obovate, 

 2.9 mm. long, 1 mm. wide, barely mucronulate at the obtuse (by inflexion apparently acute) 

 apex, cuneate at base; keel 2.3 mm. long, the crest on each side about 4-lobed; capsule oval- 

 oblong, 2.7-3 mm. long, 1.5-1.6 mm. wide, the upper cell slightly longer, narrowly winged, 

 the lower wingless, scarcely dehiscent; seed cylindric, pilosulous, 2.2-2.5 mm. long; aril 1.5 

 mm. long, the 2 linear lobes appressed, scarious. 



Type locality: Near City of Mexico, Mexico. 

 Distribution: State of Mexico to central Veracruz. 



Illustrations: Mem. Soc. Phys. Geneve 31(2) 2 : pi. 26, f. 3-5; Contr. Gray Herb. 47: pi. 2, 

 f.82. 



