Blake — Revision of Polygala 91 
113. P. euocniprata HBK. Very slender annual, usually freely 
branched, 3.2 dm. high or less, the stem scarcely angled, finely 
pedicellate-glandular. Leaves verticillate in 5’s to middle of stem 
or above it; the lowest lance-obovate, acute at each end, cuspidate, 
3-4.5 mm. long, 1 mm. wide; middle and upper linear or linear- 
lanceolate, acuminate at each end, subsessile, cuspidate, slightly 
revolute, 5-12.5 mm. long, 0.5-1.5 mm. wide; those of branches 
alternate, smaller. Racemes rather loosely many-flowered, cylin- 
dric, 1.3—(at length)8 cm. long, 4.5-6 mm. thick, on peduncles 1-4 
em. long; pedicels 0.6—0.8 mm. long. Flowers rosy-purple or rarely 
white, 2-2.3 mm. long. Upper sepal elliptic, obtuse, pinkish (rarely 
whitish), 1.2 mm. long; lower sepals oblong, obtuse, pinkish (rarely 
whitish) 0.9 mm. long. Wings obovate-oval, short-cuneate at base, 
rounded at apex, 3-nerved, 2.3-2.5 mm. long, 1.3 mm. wide. Keel 
2.1 mm. long; crest of 3-4 pairs of lobes, the posterior obliquely 
lanceolate, obtuse, the 2-3 outer linear-lanceolate to linear. Upper 
petals oblong-ovate, obtuse, 1.8 mm. long. Capsule elliptic, 1.5 
mm. long, 1 mm. wide. Seed 1.1 mm. long, clothed with incurved 
uncinate-tipped hairs (spreading when wet). Aril obsolete. — 
HBK. Nov. Gen. v. 400 (1821); Chod. Monog. i. 164. t. 21. f. 
15-16 (1893). (?) P. uneinata C. Wr. ex Millsp. Field Col. Mus. 
Pub. Bot. i. 429 (1900). — Two color forms may be recognized. 
Forma typica. Flores purpurei. — Lowrer Cairornia: Cafion 
Honda, 21 Oct. 1893, Brandegee (G). Sonora: Puerta de Los 
Pinitos, 1750 m., 14 Oct. 1890, Hartman 148 (BGK); Alamos, Sept. 
1890, Palmer 743 (GK). Srnatoa: Cerro de Pinal, Dec. 1848, 
Seemann 1519 p. p. (KK). Zacatecas: Coulter 727 (KK). San Luts 
Potosi: sandy places near Morales, Aug. 1877, Schaffner 1 (G). 
Jatisco: Rio Blanco, Sept. 1886, Palmer 546 (BGK); plains of 
Guadalajara, 26 Nov. 1888, Pringle 1808 (BGK); gravelly plains 
of Guadalajara, 1525 m., 8 Oct. 1903, Pringle 11378 (GK). Vera 
Cruz: Vera Cruz to Orizaba, F. Mueller 890 (K); Protrero de 
Consoquitla, Aug. 1841, Liebmann (K); Orizaba, eee 820 (BK), 
1120 (G). Western Mexico: Seemann (K). GuaTE > grassy 
places, Llano de la Laguna de Ayarces, July 1870, hoe 696 
(K); crevices of rocks, Volean Viejo, 1220 m., Feb. 1838, Barclay 
2123 (B). Cusa: Wright 1905 (BGK), 1907 (GK).—T. 2. Fie. 67. 
Forma leucantha. Alae albae costa viridi, sepalis viridibus albo- 
marginatis. — Curapas: Sierra de Tonala, Sept. 1913, Purpus 
6645 (TyPE coLL.: BG). 
