Blake Revision of Polygala 93 



(G). Chihuahua: Combre, summit above Batopilas, 2590 m., 

 Aug.-Nov. 1885, Palmer 323 (cotype coll.: G). Tamaulipas: 

 Sacahuales, between Tula and Tampico, Nov. 1830, Berlandier 721 

 (cotype coll.: G) and 2138 (cotype coll.: BGK). Jalisco: 

 Guadalajara, Sept. 1886, Palmer 470 (BGK) ; plains of Guadala- 

 jara, 27 Nov. 1888, Pringle 1809 (BGK); gravelly plains of 

 Guadalajara, 1525 m., 12 Oct. 1903, Pringle 11376 (GK). Vera 

 Cruz: Orizaba, Botteri 823 (K) and 1119 (cotype coll.: G). 

 Oaxaca: El Marquesado, 1600 m., Sept. 1901, Conzatti & Gon- 

 zalez 1186 (G). Guatemala: Santa Rosa, 915 m., June 1892, 

 Heyde & Lux 3008 (GK); Heyde & Lux 3005b (K). T. 2. 

 Fig. 68. 



115. P. brachyptera Griseb. Annual, very slender, simple or 

 sparsely branched above, 1.7-2.8 dm. long, the stem angled, gla- 

 brous. Leaves (except a single basal whorl) scattered, linear, 

 slightly revolute, glabrous, cuspidate, subsessile, 3-6 mm. long, 

 0.3-0.5 mm. wide. Racemes 1-3, conic, 3-11 mm. long, 4-6 mm. 

 thiek, densely flowered, on peduncles 1.3-2.1 cm. long; pedicels 

 0.7 mm. long. Flowers white, green-veined, 2.4 mm. long. Upper 

 sepal oval, mucronate, acute, bearing two oval glands toward base, 

 1.5 mm. long; lower oval-oblong, acute, similarly glanduliferous, 

 1 mm. long. Wings narrowly elliptic, abruptly pointed, not clawed, 

 bearing 2-3 basal glands, 3-nerved, 1.8 mm. long, 1 mm. wide. 

 Keel 2.4 mm. long, equalled by the narrowly oblong rounded upper 

 petals; crest of 3 pairs of lobes, the posterior cuneate, adnate to 

 keel, the 2 anterior linear. Capsule thin-walled, ovate-elliptic, 3.5 

 mm. long, 1.7 mm. wide, bearing a series of oblong glands near the 

 septum. Seed (including coma) 2.6 mm. long, appressed-silky- 

 pilose, conic. Aril infra-apical, minute, 0.4 mm. long, its lobes linear. 

 Griseb.! Cat. PI. Cub. 12 (1866); Chod. Monog. ii. 179. t. 21. 

 f. 35-36 (1893). Cuba: savanna, Habo del Medir, 27 Aug., 

 Wright 1912 (type coll.: BGK). Flowers yellowish-green 

 according to Wright, but appearing whitish. T. 2. Fig. 69. 



116. P. longicaulis HBK. Slender erect annual, sparsely 

 branched (usually above the middle) or subsimple, 6 dm. high or 

 less, the stems several-angled, glabrous or sparsely pedicellate- 

 glandular below. Leaves all alternate (or a single whorl of 3 re- 

 duced narrow-obovate leaves at base), linear or linear-oblong or 

 -lancolate, acuminate, cuspidate, 1-nerved, glabrous, subsessile, 



