CROTONS OF THE UNITED STATES. 45 
raceme, short pedicelled, with 5 subequal, acuminate sepals ; 
petals represented by small subulate bodies covered with 
tufts of stellate tomentum; ovary densely stellate, the 
stellates extending well up the lower side of the 3-divided 
styles; capsule densely stellate, oblong, about 7 mm. long, 
trigastric, depressed at the apex, 2- to 3-seeded; seeds 
about 6 mm. long, 4 mm. broad, subequally biconvex, 
glabrous, depressed at the base of the oblong, stipitate 
caruncle. — Plate 10. 
Specimens examined from Texas (Wright, no. 640, El Paso; Nealley, 
no. 199 = 462, Hidalgo; Schott [Mex. Bound. Surv. no. 1295], “ Rocky 
ravines near the Rio San Pedro and from there upwards, Oct., 1852”’), 
New Mexico (Wright, no. 1802, Painted Cave); Mexico (Gregg, no. 201, 
Monterey, no. 819, Papagallas; Thurber, nos. 289 and 868, Papagallas; 
Palmer, no. 1236, Monclova; Edwards and Eaton, Monterey, 1846). 
Heller, no. 1429, Nueces Bay, Texas, seems to come under this species. 
C. Corrrstanus Kunth, Nov. Gen. et Sp. Plant. 2: 83. 
1817; Muell. Arg. in DC. Prod. 15°: 627. 1866; 
Coulter, Bot. West. Texas 398. 1894. C. tricho- 
carpum Torrey, Bot. U. S. and Mex. Bound. Surv. 
196. 1859. 
Shrub, 2 to 3 m. high, loosely di- or trichotomous; 
branches cinereous, stellate pubescent; leaves oblong to 
lanceolate; subacute or rotund at base; apex acute or 
acuminate; green and glabrous above, cinereous below, 
entire or denticulate, 3 to 10 cm. long; petioles 5 to 18 
mm, long; racemes unisexual; the staminate interrupted, 
slender but rigid, 1 to 2 dm. long; flowers small, short 
pedicelled, with very broad bracts; petals oblong, ciliate at 
base; stamens 12 to 16; pistillate raceme sessile, short, 
about 4 cm. long, congested, 15- to 20-flowered, globose, 
becoming oblong and less hispid at maturity; rachis 
swollen; flowers sessile; petals linear or rudimentary ; 
gland forming a 5-lobed disc; ovary hispid-stellate; styles 
3, biparted, 4 to 5 mm. long; capsule globose, densely 
and coarsely hispid, depressed at apex, commissure feebly 
