104 Contributions from the Gray Herbarium 
Wings oval-obovate; rounded at apex, cuneate at base, glabrous, 
3-nerved, 1.4 mm. long, 0.8 mm. wide. Keel glabrous, 1.7 mm. 
long; crest of about 3 pairs of lobes. Upper petals oblong, rounded 
at apex, 1.5 mm. long. Capsule narrowly oblong, curved, rounded 
at each end, 3.6 mm. long, 1.3 mm. wide, the upper cell larger, dis- 
tinctly winged, the lower wingless, indehiscent. Seed cylindric, 
curved, black, finely pilosulous, 2.5 mm. long. Aril 1.7 mm. long, 
the corneous umbo minute, the 2 scarious lateral lobes appressed. — 
Wats.! Proc. Am. Acad. xvii. 326 (1882); Chod. Monog. ii. 286. 
t. 26. f. 10-11 (1893). Nurvo Lron: Monterey, Feb. 1880, 
Palmer 67 (Type cotu.: GK).— T. 2. Fie. 79. 
127. P. nemiprerocarpa Gray. Stems several, sparsely 
branched, erect from a fruticulose base, sulcate, very glabrous and 
slightly glaucous, 1.2-5.6 dm. high. Leaves linear, acute or sub- 
acuminate, mucronate, obtuse at base, thickish, flattish above, be- 
neath convex, 1-nerved, scarcely sulcate, glabrous, 6-23 mm. long, 
0.6-1 mm. wide, on petioles 0.5 mm. long or less. Racemes 3-21 
em. long, many-flowered. Flowers white, greenish-veined, 3.5-4 
mm. long. Upper sepal oval, the lower ovate, all obtuse, 1.6- 
(upper) 2.8 mm. long. Wings obovate, rounded at apex, 5-nerved, 
glabrous, 3.5-4 mm. long, 1.6-1.8 mm. wide. Keel 3.4 mm. long; 
crest of about 3 pairs of 2-4-lobed processes. Upper petals oblong, 
rounded at apex, 3.1 mm. long. Capsule oblong, 5 mm. long, 2.3 
mm. wide, the upper cell longer, broadly erose-scarious-winged, the 
lower wingless, filled by the seed. Seed short-silky-pilosulous, 2.7 
mm. long. Aril (of seed in winged cell) 2 mm. long, the scarious 
ay linear, appressed ; of seed i in wingless cell obsolescent. — P. 
ay! Pl. Wright. ii. 31 (1853) ; Chod. 
dias ii. 281. t. 26. f. 1-2 (1893); Rob. in Gray, Syn. Fl. i. pt. 1. 
453 (1897). — Curmuanua: near Colonia Garcia, Sierra Madre, 
2285 m., 16 June 1899, Townsend & Barber 37 (BGK). Also in 
Texas, Arizona, and New Mexico. 
128. P. macrotoncua Chod. Stems slender, striate, green, 
glabrous, denudate below, leafy above, from a suffruticulose base. 
Leaves linear-acicular, erect, acute at each end, glabrous, 9-10 mm. 
long, 1-1.5 mm. wide or smaller. Racemes terminal, scarcely 
loosely flowered, 1.5-2 em. long, 7 mm. thick; bracts quickly. 
caducous, the middle one acicular, 1.3 mm. long; pedicels 0.5 mm. 
long. Flowers white, 4.5 mm. long. Upper sepal ovate, shortly 
