28 Contributions from the Gray Herbarium 
cently pubescent with spreading-incurved hairs. Leaves from oval 
below to oblong or obovate-oblong, obtuse or truncate at the mu- 
cronate apex, cuneate at base, 3-nerved, thick, more or less densely 
pubescent with spreading-incurved hairs, the lower 11 mm. long, 
4-5.3 mm. wide, the middle and upper 15-16 mm. long, 4.5-7 mm. 
wide, on petioles 0.6 mm. long, or subsessile. Racemes 3.5-4.5 cm. 
long, somewhat flexuose, densely canescently pubescent with 
spreading-incurved hairs, 6—11-flowered. Flowers 5.7-6 mm. long, 
“pale greenish yellow.”’ Sepals lanceolate, acuminate, pubescent 
like the leaves, 2.8 mm. long. Wings obovate, acutish, pubescent 
nearly all over with spreading-incurved hairs, 5.7-6 mm. long, 2.8 
mm. wide. Keel glabrous, equalling the wings. Upper petals with 
cuneate-obovate somewhat erose apex, ‘“ purplish,” 4.5 mm. long. 
Capsule elliptic-ovate, somewhat narrowed above, rounded at base, 
glabrous except for the subspreading-ciliolate margin, 10 mm. 
long, 7.5 mm. wide, on a stipe 1 mm. long. Seed 6 mm. long, sub- 
sparsely pilose. Aril 1.5 mm. deep, with spreading-pilose umbo and 
much narrower subentire scarious margin extended into short an- 
terior and dorsal subhorizontal lobes. — Wats.! Proc. Am. Acad. 
xvii. 325 (1882).—Coanumia: Juarez, 160 km. north of Monclova, 
Sept. 1880, Palmer (typr: G). —T. 1. Fic. 15. — Omitted from 
Chodat’s revision. 
29. P. racemosa, sp. nov. Pluricaulis e basi fruticulosa, cauli- 
bus ramosis vel subsimplicibus adscendentibus 2.5-3.5 dm. altis 
dense incurvo-puberulis sed viridibus. Folia media et superiora 
linearia acuta mucronulata saepius plus minusve involuta incurvo- 
puberula 1.5-3.1 em. longa 1.5-3 mm. lata, inferiora similia sed 
valde reducta. Racemi caules et ramos terminantes recti vel plus 
minusve flexuosi 16—21-flori 7-13 em. longi. Flores 4.5-4.8 mm. 
longi ut videtur viridescentes. Sepala lanceolata subacuminata 
patenter incurvo-pilosula 2-2.3 mm. longa. Alae ovali-obovatae 
apice rotundatae supra et costam secundum infra subdense puberu- 
lae pilis patenti-incurvis et ciliolatae 4.5 mm. longae 2.9 mm. latae. 
Carina alas subaequans. Capsula elliptica basi rotundata substi- 
pata in margine ciliolata ceterum glaberrima 7-9.5 mm. longa 
5.8-7 mm. lata. Semen breviter pilosum 4.5 mm. longum. Arillus 
parvus 0.71 mm. altus, margine scarioso angusto subintegro lobis 
lateralibus subnullis dorsali brevissimo. — CurauaHua: Santa 
Eulalia Mts., 3 Oct. 1885, Pringle 572 (rypn: G). Also in ARIZONA: 
