98 Contributions from the Gray Herbarium 



glabrous, slightly revolute, 1-nerved, 8-25 mm. long, 0.4-0.8 mm. 

 wide, on petioles ca. 0.5 mm. long. Racemes rather loosely or some- 

 what densely rvlindric, 1-9 (axis at length 13) cm. long, 5-5.5 mm. 

 thick; bracts quickly deciduous; pedicels 0.8-1 mm. long. Flowers 

 rosy, 2 mm. long. Sepals 1 mm. long, obtuse, the upper broadly 

 ovate, the lower ovate. Wings obovate, rounded at apex, cuneate 

 at base, 3-nerved, 2 mm. long, 0.9 mm. wide. Keel 2 mm. long; 

 crest of 2-3 pairs of lobes, the posterior 2-lobed, the inner division 

 cuneate, the outer linear, the 1-2 anterior pairs linear-lanceolate, all 

 obtuse. Upper petals obliquely oblong, emarginate at the some- 

 what narrowed apex, 1.7 mm. long. Capsule oblong, very slightly 

 narrowed toward apex, with a row of glands each side of septum, 

 1.6-1.8 mm. long, 0.8-0.9 mm. wide. Seed subcylindric, sub- 

 sparsely appressed-pubescent, 1.2 mm. long. Aril very minute, 2- 

 lobed, appressed, about 1/10 as long as seed. St. Hil. Fl. Bras. 

 Merid. ii. 8 (1829), excl. vars. in part; Chod. Monog. h. 226. t. 24. 

 f. 4-5 (1893); Rob. in Gray, Syn. Fl. i. pt. i. 455 (1897). P. lepto- 

 caulis T. & G.! Fl. N. Am. i. 130 (1838); Wats. Proc. Am. Acad, 

 xxii. 398 (1887). P. Pringlei Wats.! Proc. Am. Acad. xxv. 142 

 (1890). P. paludosa St. Hil. var. exappendiculata Chod. Monog. 

 ii. 226 (1893) . P. gracilis auct. plur., non HBK. Jalisco : Guada- 

 lajara, Sept. 1886, Palmer 447 (BG); wet places near Guadalajara, 

 16 Nov. 1889, Pringle 2148 (cotype coll. of P. Pringlei: G); wet 

 places, plains of Guadalajara, 2 Oct. 1889, Pringle 2452 (cotype 

 coll. of P. Pringlei: BGK); high meadows, barranca of Portillo, 

 3 Oct. 1908, Barnes & Land 235 (G). Vera Cruz: Vera Cruz to 

 Orizaba, F. Mueller 925 (K); Orizaba, Botteri 819 (K), 829 (B), 

 1118 (G). Morelos: wet meadows near Cuernavaca, 15 Nov. 

 1895, Pringle (G); moist meadows near Cuernavaca, 1525 m., 9 

 Sept. 1903, Pringle 11381 (GK). Mexico without locality: Pavon 

 (B). Guatemala: El Jute, Dept. Quiche, 3355 m., Apr. 1892, 

 Heyde & Lux 3006 (GK). Cuba: savannas, Vueltabajo, 22 July, 

 Habo del Medio, 24 Aug., Hanabana, 13 March, Wright 1904 

 (BGK); Laguna de Castellano, Prov. Habana, 1905, Baker & 

 Alarca 4330 (K). Isle of Pines: June-July 1901, A. A. Taylor 156 

 (G); near Nueva Gerona, 19 Feb. 1904, Curtiss 358 (BGK). Also 

 in the southern U. S. and S. A. T. 2. Fig. 75, 75a. Frequently 

 confused with P. paniculata, which is finely glandular, and with 

 P. gracilis, which has an aril 1/3 as long as seed. Dr. Robinson 



