684 POLYGALACEAE 
B. Racemes several or Many in terminal dichotomous or branched cymes 
or corymbs. 
Corolla white. 33. P. Baldwinii. 
Corolla yellow. 
Basal leaves 2-3 cm. long, blunt: wings acuminate. 34. P. ramosa. 
Basal leaves 5-20 cm. long, attenuate: wings abruptly cuspidate. 35. P, cymosa. 
1. Polygala pubérula A. Gray. Shrubby, puberulent. Stems branched at the base, 
the branches 1—5 dm. tall: leaves various ; blades oval near the base of the stem, or linear, 
linear-oblong or linear-lanceolate throughout, 1-2.5 em. long: racemes spike-like, 2-10 
cm. long: pedicels about 2 mm. long: flowers purplish or bluish, 4-6 mm. long: wings ob- 
ovate, 4-6 mm. long, obtuse, slightly shorter than the keel : lateral petals somewhat shorter 
than the keel, nearly spatulate : capsule suborbicular, 8 mm. broad, notched, pubescent on 
the narrow margin, otherwise glabrous or puberulent : seeds pubescent. 
In dry soil, Texas to Arizona, Mexico and Lower California. 
2.1 Polygala ovatifdlia A. Gray. Perennial, tomentose. Stems branching at the woody 
base, the branches more or less densely tufted, 0.5-3 dm. long, erect or ascending, usually 
flexuous: leaves numerous ; blades ovate, oval or elliptic-oval, 0.5-2 cm. long, acute or 
mucronate, ciliate, short-petioled, those of the upper leaves often narrower than those of 
the lower : racemes terminal, 1-4 cm. long : pedicels 2-4 mm. long, their bracts deciduous : 
flowers greenish yellow, more or less pendulous: wings lanceolate, 5 mm. long, pubescent, 
ciliate : lateral petals commonly $ as long as the naked unappendaged conspicuous keel: 
stamens 8: style slender, curved, neither dilated nor auricled: stigma terminal, 2-lobed : 
capsule suborbicular, 1 cm. in diameter, notched at the apex, the sides glabrous, the edges 
ciliate : seeds silky, each with a hood-like caruncle. 
In dry soil, Texas and New Mexico to Mexico. Summer. 
3. Polygala grandifldra Walt. Perennial, pubescent. Stems branched at the base, the 
branches erect or spreading, 2-5 dm. long, simple or sparingly branched above, the pubes- 
cence appressed or ascending: leayes alternate ; blades elliptic, elliptic-lanceolate or lan- 
ceolate, 1-3.5 em. long, acute or mucronate, often short-petioled : racemes loosely flowered, 
2-10 em. long: pedicels 3-4 mm. long: flowers pink or violet-purple, becoming greenish, 
the lower ones drooping : wings obovate-cuneate or fan-shaped, 6-8 ¢m. broad, with short 
claws, glabrous: lateral petals spatulate or dilated above, much shorter than the naked 
hooded keel: stamens 8; filaments united below the middle : style slender, dilated above 
the middle, abruptly bent above the middle, bearded below the terminal stigma : capsule 
obovoid or oblong-obovoid, 5-6 mm. long, notched : seeds slightly flattened, densely silky, 
each with a conspicuous helmet-shaped caruncle. 
In dry sand or pine woods, South Carolina to Florida and Mississippi. Summer and fall—The 
form with narrowly linear acute leaf-blades, slightly smaller flowers and somewhat narrower Wings, is 
P. grandiflora angustifolia 'T. & G., it occurs in peninsular Florida. 
4. Polygala Lindheimeri A. Gray. Shrubby, pubescent with spreading hairs. Stems 
branching, 1-3 dm. tall, erect or ascending: leaves alternate ; blades leathery, obovate, 
oval, ovate, elliptic or the upper ones lanceolate, varying from 0.5-1.5 cm. long, cuspidate, 
reticulate, minutely glandular, sessile or short-petioled : racemes few-flowered, termin 
or becoming lateral; rachis becoming zigzag, 4-6-jointed, with unequal bracts at each 
angle: flowers purple, nearly sessile : outer sepals narrow, pubescent, ciliate : wings Ova 
obovate, cuneate at the base, 4-5 mm. long : lateral petals narrow, notched or mitten-shaped, 
reaching to the beak of the keel: stamens 8 or rarely 7: filaments dilated above, heus 
to near the anthers : style slender, zigzag, dilated near the apex, the edges toothed : capsu'e 
elliptic-oblong, 6-7 mm. long, notched at the apex, with spreading pubescence: seeds 
densely pubescent, the 2 lobes of the caruncle more than } as long as the seed-body. 
In rocky soil, Texas and New Mexico. Summer. 
5. Polygala Texénsis Robinson. Shrubby, pubescent with fine appressed or incurved 
hairs. Stems branched at the base, the branches erect or ascending, 1-3 dm. long : leaves 
alternate ; blades various, those of the upper leaves narrowly lanceolate : racemes 5-12 cm. 
long ; rachis with 12-18 joints : flowers purplish : outer sepals elliptic-oblong, 3 mm. long, 
pubescent without with incurved hairs: wings narrowly obovate, rounded at the ter 
cuneate at the base, 4.5 mm. long: keel with a narrowly oblong appendage : capsule 
oblong, 4 mm. long, 2.5 mm. broad. 
In rocky soil, Texas. Spring and summer. 
6. Polygala Tweédyi Britton. Perennial, glaucous, pubescent with incurved nae 
Stems branched at the base, the branches erect or ascending, 1-2 dm. tall, usually simp 
leafy to the top: leaves thick, the lower ones oblong or linear-oblong, 1.5-2.5 em. raed 
the upper leaves linear, shorter than the lower ones, acute, sessile, erect or ascen me 
flowers 3-4, in a spike-like raceme about 4 mm. long: wings obovate, about as long as 
