EUPHORBIA, SECTION TITHYMALUS. 137 
long, tapering to the base, but sessile, linear oblong or 
lance-linear, sometimes oblanceolate, ascending or spread- 
ing, smooth, entire, acute, mucronate, with an evident 
marginal line, those on sterile branches smaller, 2 to 2.5 
em. long, obtuse or acutish ; umbel leaves lanceolate, 2 to 
3cm. long; floral leaves broadly ovate, 14 to 16 mm. wide, 
10 to 13 mm. long; involucres 1.5 mm. high, 1 mm. wide, 
lobes ovate, truncate, projecting beyond the glands, erect, 
a few hairs on the edge and under the glands inside; glands 
semilunar, dark colored, 1 mm. wide, 5 mm. long, slightly 
declined, horns short, diverging; bracts one-half as long 
as the involucre, filiform; stamens many; capsule de- 
pressed ovoid, 4.5 to 5 mm. wide, 3.5 mm. high; cocci 
rounded, roughened on the back with small ridges and 
papillae; sulci deep, obtuse; styles 2 to 2.5 mm. long, 
united about one-third of their length, bifid above, re- 
curved, clavate stigmatose; seeds ellipsoid ovoid, circular 
in cross section, 1.5 mm. in diameter, 2 mm. long; chalazal 
space shallow; caruncle thin, flat, orbicular. — Naturalized 
from Europe in a few places in the northeastern United 
States. — Plate 51. 
Specimens examined from Massachusetts (Oakes, Ipswich, Newbury, 
1827, Essex Co., 1842); Maine (Parlin, Berwick, 1894); New York 
(Dudley, Groton, 797, 1895). 
Also reported from Niagara and Attica, N. Y. (Day, Fl. Buffalo 67, 
1883); Indiana (Schneck, 7th Ann, Rept. Geol. Surv. Ind. 558. 1876) ; 
near Lansing, Michigan (Beal, Mich. Flora 129. 1892). 
E. cuca Waldst. & Kit. Pl. Rar. Hung. 1: 54. pl. 54. 
1802. (fide Boiss. in DC. Prod. 157: 163. 1862). £, 
pallida Willd. Sp. Plant. 2: 923.1799. Galarhoeus 
Androsemifolius Haw. Pl. Suc. 146. 1812. Heraselma 
lucida Rafin. Fl. Tell. 4:116. 1836. (fide Index 
Kewensis). Euphorbia androsaemifolia Steud. Nom. 
1:610. 1841. [2ded.]. Tithymalus lucidus Kl. & 
Gar. Tricoc. 89. 1860. Huphorbia virgata Noe in 
Nyman’s Conspect. 652. 1881. HH. oleaefolia Noe, 
l. c. EF. Nicaeensis Millspaugh(?), Bull. Torr. Bot. 
53 
