104 NORTH AMERICAN FLORA [VoLUME 21 
Bracts not pungent, not exceeding the sepals. 
Leaf-blades acute; flowers mostly in a dense terminal spike. 38. A. deflexus. 
Leaf-blades retuse; flowers mostly axillary, the terminal 
spike very short or slender or none. y 
Leaf-blades as broad as long, 4 mm. Jong or less; stems 
filiform, creeping; flowers mostly solitary, all axillary. 41. A. minimus. 
Leaf-blades longer than broad, usually more than 1 em. 
long; stems not filiform, not creeping; flowers 
glomerate, some of them spicate. 
Stems erect, tinged with red. 39. A. lividus, 
Stems prostrate or ascending, green. 40. A. viridis. 
Seed 2-2.5 mm. long; flowers all axillary; leaves thick and fleshy. 42. A. pumilus. 
1, Amaranthus crassipes Schlecht. Linnaea 6: 757. 1831. 
Scleropus amaranthoides Schrad. Ind. Sem. Hort. Gotting. 1835; Linnaea 11: Litt.-ber. 89. 1837. 
Scleropus crassipes Moq. in DC, Prodr. 13?:'271. 1849. 
Euxolus crassipes Hieron. Bol. Acad. Nac. Cérdoba 4: 13. 1881. 
Stems ascending or prostrate, 2-6 dm. long, stowt, succtlent, glabrous; petioles slender, 
3-40 mm. long; leaf-blades deep-green, oblong to spatulate, ovate, or obovate, 0.5-3.8 cm. 
long, 0.5-2.5 cm. wide, rounded and shallowly emarginate at the apex, decurrent at the base, 
glabrous, thick, with prominent white veins; flowers monoecious, in small dense axillary 
clusters; peduncles thickened and indurate; bracts small and inconspicuous, indurate in 
age, ovate, acutish, green, with scarious margins; sepals of-the pistillate flowers 4 or 5, 1.5 
mm. long, scarious, spatulate, obtuse, often emarginate; style-branches 2, stout; utricle obo- 
void, compressed, coriaceous, finely tuberculate, indehiscent; seed about 1 mm. in diameter, 
smooth, dark-brown or black. 
TYPE Locality: Island of St. Croix. 
DISTRIBUTION: Waste ground, peninsular Florida, Bahamas, and the West Indies; adventive 
at Mobile, Alabama; also in Venezuela and Colombia. 
ILLUSTRATION: Bot. Gaz. 17: gl. 17. 
2. Amaranthus scleropoides Uline & Bray, Bot. Gaz. 19: 316. 
1894. 
Amaranthus blitoides scleropoides Thellung, in Asch. & Graebn. Syn. Mittel-Eur. Fl. 5: 293. 1914. 
Stems erect or ascending, 1.5-4 dm. long, stout and succulent, glabrous, whitish; petioles 
slender, 0.5-3 cm. long; leaf-blades narrowly oblong to oblanceolate, 1-4.5 cm. long, rounded 
or emarginate at the apex, attenuate at the base and decurrent, thick, glabrous or nearly so, 
pale-green; flowers monoecious, in small dense axillary clusters; peduncles much thickened and 
indurate in age; bracts finally indurate, ovate-triangular, acute; sepals of the pistillate 
flowers 5, spatulate, 2 mm. long, 1-nerved, indurate at the base, obtuse or acute; style-branches 
3; stamens 3; utricle subglobose, thin-walled, smooth, circumscissile at the middle; seed 
orbicular, smooth, black, shining, 0.6 mm. in diameter. 
TypH Locality: Near El Paso, Texas. 
DIstTRIBUTION: Central and western Texas. 
3. Amaranthus polygonoides L. Pl. Jam. Pugill. 27. 1759. 
Roemeria polygonoides Moench, Meth. 341. 1794. 
Amblogyna polygonoides Raf. Fl. Tell. 3: 42. 1837. 
Albersia polygonoides Kunth, Fi. Berol. ed. 2. 2: 144. | 1838. 
Amaranthus verticillatus Pavon; Mog. in DC. Prodr. 13?: 270, as synonym. 1849. 
Sarratia polygonoides Moq. in DC. Prodr. 13?: 270, as synonym. 184 
Stems slender, ascending or spreading, 1-5 dm. long, much branched from the base, 
villous about the inflorescence; leaves rather distant, not crowded, the petioles 2-7 mm. long, 
slender, the blades 0.6-2 cm. long, rhombic-ovate to obovate or oval, obtuse to subtruncate 
and usually emarginate at the apex, acute or cuneate at the base and decurrent, pale-green, 
glabrous, or sparsely pubescent beneath; flowers monoecious, in dense sessile several-flowered 
axillary clusters; bracts lanceolate, acuminate, half as long as the sepals or less; sepals of the 
pistillate flowers spatulate, erect, obtuse or rounded, often apiculate, 3-nerved, scarious, 
