plump, pilose, 2.2 mm. long; aril 1.1 mm. high, membranaceous-cellular, equitant, 

 erect, scarcely lobed. 



In open grassy areas, savannahs and bogs, and open flat woodlands in Okla. 

 (Waterfall) and the e. third of Tex., May-Sept.; from Fla. to Tex. and Mex., n. 

 to L.I., N.J., Pa., s. Ont., s. Mich., s. Wise, la. and Neb. 



3. Polygala Hookeri T. & G. 



Slender erect or procumbent annual, papillose-puberulent above, 1-2.5 dm. 

 tall; leaves in remote whorls of 3 or 4 or the uppermost scattered, linear, 4-10 

 mm. long, 0.5-1 mm. wide, acutish, barely mucronulate, strongly revolute, 

 glanduliform-puberulous; peduncles mostly 3-7 cm. long; racemes conic- 

 cylindric, acuminate or at least apiculate, loose, 6-9 mm. thick, the axis 7-40 mm. 

 long; bracts triangular-ovate, ciliolate, spreading, persistent, 1 mm. long; pedicels 

 1.5-2 mm. long; flowers pink; sepals broadly ovate, short-mucronate, ciliolate, 

 1.1-1.4 mm. long; wings oblong-ovate, about 3 mm. long, 1.3-1.5 mm. wide, 

 inflexed and very short-mucronate at apex, rounded at the oblique sessile base, 

 stipitate-glandular-ciliolate on the upper margin, 7-nerved; keel 2.8 mm. long, the 

 crest on each side of a triangular lamella and 2 entire lobes; capsule orbicular, 

 plump, strongly winged beneath on the stipelike base, 1.4-2.2 mm. long and 

 wide; seed plump, ellipsoid, somewhat shining, short-pubescent, 1.2 mm. long; 

 aril equaling the seed, the 2 linear lobes appressed. 



In low pinelands and wet savannahs, in e. Tex., Apr.-Aug.; along the coast 

 from N. C. and Fla. to Tex. 



4. Polygala verticillata L. 



Erect single-stemmed glabrous annual, 5-40 cm. tall, usually freely branched; 

 leaves in whorls of 4 or 5 up to middle of stem or throughout, rarely with only 

 1 or 2 whorls below with the rest alternate, those of the branches scattered, 

 linear to narrowly elliptic, 5-30 mm. long, 0.7-5.5 mm. wide, acute to acuminate 

 at each end and cuspidate; peduncles to 9 cm. long; racemes conic to cylindric- 

 conic, acute to acuminate, dense or loose, 2.2-4.5 mm. thick, the axis 35 mm. long 

 or less; bracts subulate, glandular-denticulate, deciduous; pedicels 0.2-1 mm. 

 long, rarely to 2 mm. long; flowers whitish and greenish, rarely purplish-tinged; 

 sepals ovate, ciliolate, 0.9-1.1 mm. long; wings obovate-oval, 1.6-2 mm. long, 

 1.1-2 mm. wide, broadly rounded at apex, short-clawed, about 3-nerved; keel 

 1.2-1.5 mm. long, the crest on each side of a lamella and 1 or 2 lobes; capsule 

 oval, 1.8-2.1 mm. long; seed pilosulous, 1.5-1.8 mm. long; aril 0.7-1 mm. long, 

 the 2 lobes linear-oblong or obovate. Incl. var. isocycla Fern, and var. spheno- 

 stachya Penn. and var. dolichoptera Fern. 



In prairies, marshes, wooded streams, sandy post-oak and pine woodlands in 

 the e. third of Tex. and Okla. (McCurtain Co.), May-July; from Fla. to Tex., 

 Okla., Colo, and Ut., n. to Mass. and s. Man. 



Plants found in our area with most of the leaves alternate or with only 1 or 2 

 whorls below have been segregated as var. ambigua (Nutt.) Wood. 



5. Polygala leptocaulis T. & G. Fig. 506. 



Slender annual, to 5 dm. high, glabrous, branched above; leaves all scattered, 

 linear to subfiliform, 8-25 mm. long, 1 mm. or less wide, acuminate, slightly 

 revolute; racemes cylindric, loose or rather dense, 5-5.5 mm. thick, the axis to 

 about 10 cm. long; pedicels 0.8-1 mm. long; flowers rosy, rarely white; sepals 

 ovate, obtuse, 1 mm. long; wings obovate, about 2 mm. long and 0.9 mm. wide, 

 rounded at apex, cuneate at base, 3-nerved; keel 2 mm. long, the crest of 2 or 3 

 lobes on each side; capsule oblong, often very slightly narrowed toward apex, with 

 a row of glands on each side of septum, 1.6-1.8 mm. long; seed subcylindric, 



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