. 
EUPHORBIACEAE, [Vor. II. 
10. Euphorbia stict6spora Engelm. 
Narrow-seeded Spurge. (Fig. 2316.) 
Euphorbia stictospora Engelm. Bot. Mex. Bound. 
urv. 187. 1859. 
Annual, yellowish green, pilose throughout. 
Stem branched from the base, the branches as- 
cending, or radiating, 2’-12’ long; leaves oblong 
to suborbicular, 2’’-3’’ long, obtuse, dentate-ser- 
rate at the apex, short-petioled, the bases truncate 
or subcordate; stipules fringed; involucres clus- 
tered, campanulate, 14’ high, with 4 cup-shaped 
glands subtended by inconspicuous crenate ap- 
pendages; peduncles at length longer than the 
involucres; capsule ovoid, 34’/-1’’ in diameter; 
seeds narrowly ovoid, 14’ long, pointed, pitted, 
gray or ash-colored, sharply 4-angled. 
Kansas and Colorado to Mexico. June-Oct. 
Euphorbia Fendleri T. & G. Pac. R. R. Rep. 
2:175. 1855. 
Annual (or perennial by a woody root), 
pale green, glabrous. Stem diffusely 
branched from the base, the spreading 
wiry branches 4/-8’ long, brittle; leaves 
suborbicular, oval or elliptic, 114//-4/’ 
long, obtuse, entire, short-petioled, the 
base oblique, obtuse or subcordate; stipules 
usually a fringe”of short setae; involucres 
solitary in the axils, sometimes clustered 
toward the ends of the branches, cam- 
panulate, 1//-2%’’ high, with 4 or 5 
saucer-shaped oval glands subtended by 
irregular entire or slightly lobed append- 
ages; peduncles about as long as the in- 
volucres, capsule deflexed, 114’’ in diame- 
ter, sharply 3-lobed; seeds ovoid, 34’ long, 
transversely wrinkled. 
Nebraska and Colorado to Texas, Mexico 
and Arizona. April-Oct. 
ae 
12. Euphorbia lata Engelm. Hoary 
Spurge. (Fig. 2318.) 
Euphorbia lata Engelm. Bot. Mex Bound. Surv. 
188. 1859. 
Perennial, pale green, canescent all over. 
Stem branched from the somewhat woody base, 
the branches spreading or ascending, 2/-4’ long; 
leaves ovate to lanceolate, 2%’/-5’’ long, revo- 
lute-margined, abruptly narrowed, truncate or 
cordate at the base, short-petioled; stipules ob- 
solete, or of a few short setae; involucres solitary 
in the axils, 4’ long, short-peduncled, bearing 
5 disk-like glands subtended by narrow undulate 
appendages; capsule subglobose, 1’’ in diameter; 
seeds oblong, 3’’ long, acutish at both ends, 
4-angled, the faces inconspicuously transversely 
wrinkled. 
Kansas to Texas and New Mexico. 
