EUPHORBIA, SECTION TITHYMALUS. 157 
tomously branched umbel alternate; bracts many; seeds ovoid, 
smooth; caruncle small. 
E. rricnotoma Kunth in Humbolt & Bonpland, Nov. Gen. 
2:60. 1817; Boiss. DC. Prod. 157:105. 1862; 
Chapm. Southern Flora 402. 1860. #. dumosa Rich. 
in Sagra, Cuba 11: 198. 1850. Tithymalus tricho- 
tomus Kl. & Gar. Tricoc. 81. 1860. #. Sagraeana 
Rich. MS. in Boiss. Euph. in DC. Prod. 157: 105. 
1862. — Boiss. Icon. Euph. pl. 58. 
Glabrous throughout, somewhat woody, many stems 
erect from the root, branched at the base, then after an 
interval 3- or 4-chotomous; 2 to 5 dm. high; the first 
branches 3 to 5 cm. long; leaves all alike, crowded, obovate 
or lanceolate, obtuse or acute, sessile, 5 to 12 mm. long, 
2 to 4 mm. wide; involucres few, 2 mm. wide, subglobose, 
not membranaceous, pubescent inside, especially below 
the glands; lobes incurved, short oblong, dentate, hirsute 
to smooth; glands semilunate, dentate between the short 
horns, spreading, stipitate, 1 mm. wide, yellow; bracts 
fimbriate and hirsute or ciliate; stamens about 10, fila- 
ments very short; capsule depressed ovoid, 4 mm. wide, 
3mm. high; cocci rotund, minutely papillose; sulci deep ; 
pedicel 4 to 8 mm. long, smooth; style very short, clavate 
stigmatose, shortly bilobed; seeds ovoid globose, 1.6 mm. 
wide, 1.8 mm. long, white, a slight ridge on the back ; 
raphe large and black; chalaza flat; caruncle very small. — 
Florida, West Indies and Eastern Mexico. — Plate 27. 
Specimens examined from Florida (Chapman, Little Sarasota Bay, 
1875, Key West, 1886; Curtiss, Jupiter Inlet, 5539, 1895, Cape Malabar, 
2502; Nash, Tampa, 2421, 1895; Palmer, Key West and Indian River, 506, 
1874; Leavenworth, Tampa, 1829; Garber, Manatee, 1878; Herb. Thurber, 
E. Fla.; Blodgett, Pine Key and Key West; Merrill, Key West, 1886) ; 
Cuba (Herb. Bernhardi, Matanzas; Reichenbach; Wright, 354); Yucatan 
(Gaumer, 1885). 
** Rays dichotomously branched; floral leaves opposite; glands 
usually 4; bracts few, usually 5, sometimes obsolete; caruncle 
well developed. 
+ Thin leaved wood or field annuals or biennials with fibrous roots; 
27 
