Vor. 1.) SPURGE FAMILY. 375 
13. Euphorbia nutans Lag. Large or Upright Spotted Spurge. (Fig. 2319.) 
Euphorbia nutans Lag. Gen. & St. 17. 1816. 
Euphorbia Presiii Guss. Fl. Sic. Prodr. 1: 539. 1827. 
Euphorbia hypericifolia A. Gray, Man. 407. 1848. 
Not L. 1753. 
Annual, glabrous or sparingly pubescent. Stem 
branched, at least above, ascending or erect, 7/-2° 
high, the branches mostly spreading, often recurved 
at the ends; leaves opposite, oblong, or linear-ob- 
long, varying to ovate or obovate, often falcate, ob- 
lique, 3-nerved, unequally serrate, often with a red 
blotch and red margins, short-petioled; stipules tri- 
angular, slightly lacerate; involucres narrowly obo- 
void, 14’’ long, one-half or one-third as long as the 
peduncles, bearing 4 glands subtended by orbicular 
or reniform entire white or red appendages; capsule 
glabrous, 1/’ in diameter; seeds oblong-ovoid, 3/// 
long, 4-angled, with broken transverse ridges. 
In fields and thickets, throughout eastern North 
America, except the extreme north, extending west to 
the Rocky Mountains. May-—Oct. 
14. Euphorbia hexagona Nutt. Angled 
Spurge. (Fig. 2320.) 
E ie hexagona Nutt.; Spreng. Syst. 3: 791. 
1826. 
Annual, yellowish green, glabrous or spar- 
ingly pubescent. Stem slender, erect, or assur- 
gent, 4/-20’ tall, branched, the branches as- 
cending, often almost filiform; leaves opposite, 
linear, oblong or lanceolate, very short-petioled, 
obtuse or acute, equilateral; stipules obsolete or 
very narrow; involucres solitary in the axils, of- 
ten clustered, 1//-114’’ long, ciliate, pubescent, 
short-peduncled, with 5 glands subtended by 
triangular-ovate whitish or green appendages; 
capsule glabrous, 2/’ in diameter, seeds ovoid or 
oblong-ovoid, 114’ long, terete, papillose. 
Iowa to Montana, Texas and Colorado. Stem 
striate-angled. June—Oct. 
9 | 
15. Euphorbia corollata 1,. Bloom- 
ing or Flowering Spurge. (Fig. 2321.) 
Euphorbia corollata I,. Sp. Pl. 459. 1753. 
Perennial by a long stout rootstock, bright 
green, glabrous or somewhat pubescent. 
Stem erect, 10’-3° tall, often spotted, usually 
simple; umbellately branched above; leaves 
linear, oblong or oblong-spatulate, 10’/—20/’ 
long, entire, short-petioled or sessile, the 
lower scattered, those subtending the umbel 
verticillate, rays of the umbel forked; bracts 
ovate to linear, green; involucres mostly 
terminal, less than 1/’ long, bearing 4 or 5 
yellowish green oblong glands subtended 
by white petal-like cuneate or orbicular- 
cuneate appendages; capsule erect, subglo- 
bose, 1//-2// in diameter; seeds ovoid, 
smooth, sparingly pitted. 
In dry soil, Ontario to Minnesota and Kan- 
sas, south to Florida and Texas. April-—Oct. 
Ascends to 4200 ft. in North Carolina. 
