EUPHORBIA, SECTION TITHYMALUS. 95 
B. Ipecacuanhae. Lurid colored, usually dioeceous; stems few from a 
deep perennial root; stem leaves few, entire, with a narrow mem- 
branaceous marginal line; the involucres of each sex with rudi- 
mentary flowers of the other sex; glands 5, truncate; bracts small 
and few, or none; calyx well developed, 3-lobed; style fleshy; 
seeds smooth, without a caruncle. 
E. Fiorrmana Chapm. Southern Flora 401. 1860, Z£. 
sphaerosperma Shuttlew. in Riigel Pl. Exs. 1843 and 
published by Boiss, in DC. Prod. 15?:102. 1862. — 
Boiss. Icon. Euphorb. pl. 54. 
Stems 3 to 4 dm. high, usually not branched below the 
umbel; rays 3 to 4, 2 to 4 times dichotomous, the sterile 
plants still more branched; rays 3 to 5 cm. long; stem 
leaves scale-like below to long linear lanceolate above, 
sessile, slightly narrowed at the base, acute, entire, 3 to 6 
mm. wide, 4 to 9 cm. long, reflexed; umbel leaves oblong 
lanceolate, parallel veined, acute, cordate, 6 to 12 mm. 
wide, 2 to 5 cm. long; floral leaves similar, but smaller and 
shorter, 1 to 2 cm. long; involucre 2 to 3 mm. wide, 
slightly higher, greenish red, a villous spot inside under 
each gland; peduncle 5 to 12 mm. long; lobes ovate, 
entire or slightly dentate, densely villous on the edge to 
almost smooth; glands stipitate, quadrate semilunate, 
truncate with the edge erose crenate, fleshy, recurved, 
somewhat concave above, 1 to 1.5 mm. wide, greenish ; 
bracts 5, small, entire, more or less villous; stamens 20 to. 
25 in staminate involucres; pedicel of pistillate flower 5 to 
8 mm. long; calyx lobes ovate lanceolate, acute, 1 mm. 
long; capsule very depressed ovoid, 6 to 11 mm. across, 
4 to 6 mm. high, triangular; sulci shallow; cocci only 
obtuse; styles 1 to 2 mm. long, united below, short bifid 
above, slender, subclavate stigmatose; seeds black, de- 
pressed globose, 2.5 mm. in diameter, 2 mm. high; chalaza 
slightly depressed. — Sandy coast plain of west and 
middle Florida. — Plate 12. 
Specimens examined (Rigel, Aspalaga, 1848, H. sphaerosperma; 
Chapman, Gadsden Co., 1835, 1856, 1860; Curtiss, Walton Co., 2479, De 
11 
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