336 NORTH AMERICAN FLORA [Volume 25 



bracts; upper sepal herbaceous, persistent, 3 mm. long; lower sepals petaloid, oblong-obovate, 

 purplish, deciduous, not clawed, 3.5 mm. long, 1.4 mm. wide; wings obovate-oval, 4.7 mm. 

 long, 2.8 mm. wide, barely retuse; keel whitish with yellowish tip, 3 mm. long; capsule sub- 

 orbicular, sparsely incurved-pubescent above, 3 mm. in diameter; seed plump-obovoid, pilose, 



2.5 mm. long; aril glabrous, 1.2 mm. long, the 2 lobes oval, appressed. 



Type locality: Aeatitlan, Puebla. 

 Distribution: Known only from the type locality. 



76. Polygala Conzattii Rose, Contr. U. S. Nat. 

 Herb. 13: 307. 1911. 



Stems 4 dm. long or more, slender, green, incurved-pubescent, sparsely branched above; 

 leaves ovate-oval or obovate, 13-17 mm. long, 5.5-9 mm. wide, cuspidate at the truncate- 

 rounded apex or rarely retuse, cuneate at base, sparsely incurved-puberulous both sides; pedun- 

 cles 5-8 mm. long; racemes very loose, 1.8-20 cm. long; bracts ovate, herbaceous, acuminate, 

 reflexed, persistent, 1.5-2.5 mm. long; pedicels deflexed in fruit, 2.5-4 mm. long; flowers 

 rosy-purple, the keel yellow-tipped; upper sepal ovate, mucronulate, with herbaceous 

 center and petaloid margin, glabrous, persistent, 3.2 mm. long; lower sepals petaloid, obovate, 

 obscurely emarginulate at the truncate-rounded apex, glabrous, deciduous, 3.8 mm. long; wings 

 obovate, 4.5 mm. long, 2.5 mm. wide, bluntly emarginate, cuneate at base, glabrous; keel 3 

 mm. long; capsule quadrate-orbicular, narrowly erose-margined especially toward apex, com- 

 pressed, sparsely incurved-pubescent near apex, 3.2-3.5 mm. long, 3-3.2 mm. wide; seed pilose, 



2.6 mm. long; aril 1.4 mm. long, glabrous, with rather large corneous umbo, the two oblong 

 scarious lateral lobes appressed. 



Type locality: Cerro San Antonio. Oaxaca, altitude 1800 meters. 

 Distribution: Known only from the type locality. 



77. Polygala Parryi A. W. Benn. Jour. Bot. 17: 140. 1879. 



Suffruticulose, several-stemmed from a creeping woody root, often decumbent below, 

 branched, 9 cm. long or less, incurved-puberulous, not at all canescent; leaves oval to orbicular, 

 6-1 1 mm. long, 3-10 mm. wide, rounded to obtuse at both ends, distinctly mucronate, incurved- 

 puberulous, veinless except for the midnerve; racemes very short, axillary, 1-4-flowered, flexu- 

 ous; flowers greenish; upper sepal oblong, obtusish, herbaceous, pubescent on costa and mar- 

 gin, 2 mm. long; lower sepals petaloid, greenish, narrowly oblong-obovate, 2.S mm. long; wings 

 obovate, 3.5 mm. long, 1.4 mm. wide, apiculate; keel very blunt, 2.7 mm. long; capsule orbicu- 

 lar, venose, plump, sparingly incurved-puberulous, 3.5 mm. long; seed plump, short-pubescent, 

 2.5-2.8 mm. long; aril 1.5-1.6 mm. deep, with small corneous umbo and two oblong scarious 

 appressed lateral lobes 1.2 mm. long. 



Type locality: San Luis Potosi (state). 

 Distribution: San Luis Potosi. 



Illustrations: Mem. Soc. Phys. Geneve 31(2) 2 : pi. 14, f. 40^2; Contr. Gray Herb. 47: 

 pi. 2, f. 43. 



VII. Huateca. Suffruticulose; sepals herbaceous, persistent; wings petaloid, persistent; 

 keel without beak or crest; capsule thin-walled. 



78. Polygala tehuacana Brand. Univ. Calif. Publ. 

 Bot. 4: 273. 1912. 



Suffruticulose, very many-stemmed, erect, branched, up to 1.5 dm. high, canescent with 

 a dense spreading-incurved puberulence; leaves oblong, 5-10 mm. long, 1.5-2.5 mm. wide, 

 obtusish at both ends, rather densely incurved-spreading-puberulous ; racemes mostly 

 1 -flowered, axillary or terminal; flowers purplish-yellowish; sepals oblong, acute, incurved- 

 spreading-puberulous, 4-4.8 mm. long, the upper the longest; wings oval-obovate, 6 mm. long, 

 4 mm. wide, rounded to truncate at apex, short-clawed, puberulous, yellowish more or less 

 suffused with purple; keel greenish-yellow, somewhat purplish-tinged, 4.5 mm. long; capsule 



