Part 2, 1917] AMARANTHACEAE 119 
long, the blades rhombic-ovate, 1-3 cm. long, deeply emarginate, the lobes broad and rounded, 
rounded to broadly cuneate at the base, fleshy, deep-green, often tinged with purple, glabrous, 
prominently nerved; flowers monoecious, mostly in small few-flowered axillary clusters much 
shorter than the petioles, the branches commonly terminated by a slender or stout spike 1 cm. 
long or less; bracts lanceolate or ovate, acute, scarious, equaling or shorter than the sepals; 
sepals 3, those of the staminate flowers oblong, acute, 1.5 mm. long, those of the pistillate 
flowers oblong to narrowly oblong-oblanceolate, obtuse, much shorter than the utricle; stamens 
3; style-branches 3, very short; utricle 1.5 mm. high, globose-ovoid, smooth, thin-walled, 
indehiscent; seed rotund, 0.8 mm. in diameter, dark reddish-brown, shining. 
TYPE LOcaLIry: Jamaica. 
DISTRIBUTION: Waste ground, Louisiana and Texas and the West Indies; adventive about 
New York City; also in tropical South America, Asia, and Africa, and the Pacific Islands. 
ILLUSTRATION: Hegi, Ill. Fl. f. 560, a-k. 
41. Amaranthus minimus Standley, sp. nov. 
Stems filiform, 2-6 cm. long, much branched and matted, the branches creeping, copiously 
leafy, glabrous; petioles filiform, 5-15 mm. long; leaf-blades orbicular, 1-4 mm. long, emarginate 
at the apex, broadly rounded at the base, thin, green, glabrous, obscurely nerved; flowers 
monoecious, mostly solitary in the axils; bracts and bractlets minute, ovate; pistillate flowers 
sessile, the three sepals lance-oblong to linear, about one third as long as the utricle; staminate 
flowers few, usually long-pedicellate, the sepals scarious, 1-1.5 mm. long, ovate-oblong or 
ovate-oval, acute, green along the nerve; stamens 3; style-branches 3, short; utricle ovoid, 1.5 
mm. long, smooth, very thin, greenish, indehiscent; seed subglobose, about 0.8 mm. in diameter, 
black, slightly lustrous. 
Type collected in red soil between Las Martinas and the coast, Province of Pinar del Rio, 
Cuba, December 19, 1911, J. A. Shafer 11090 (U.S. Nat. Herb. no. 537681). 
42. Amaranthus pumilus Raf. Med. Repos. II. 5: 360. 1808. 
Euxolus pumilus Chapm. Fl. S. U.S. 381. 1860. 
Stems stout, fleshy, prostrate or ascending, 4-30 cm. long; leaves mostly clustered near 
the ends of the branches, the petioles stout, 2-11 mm. long, the blades obovate to suborbicular, 
8-20 mm. long, rounded or emarginate at the apex, rounded to attenuate at the base and 
decurrent, glabrous, fleshy, prominently veined, the veins often purple; flowers monoecious, 
in dense axillary clusters; bracts lanceolate, acutish, half as long as the calyx or shorter; sepals 
of the pistillate flowers 5, narrowly oblong, obtuse, 3~4 mm. long, those of the staminate flowers 
similar but smaller; stamens 5; style-branches 3; utricle fleshy, indehiscent, oval in outline, 
about 5 mm. long, faintly 5-ribbed, rugulose; seed 2-2.5 mm. long, black and shining. 
Typr LocaLity: On an island at Egg Harbor, New Jersey. 
DisTRIBUTION: On sea beaches, Rhode Island to North Carolina. 
InL,ustratrions: Britt. & Brown, Ill. Fl. f. 1408; ed. 2. f. 1669. 
6. ACNIDA L. Sp. Pl. 1027. 1753. 
Montelia A. Gray, Man. ed. 2. 369. 1856. 
Erect or procumbent, branched, annual herbs, glabrous or nearly so. Leaves alternate, 
petiolate, the blades entire. Flowers small, dioecious, bracteate and bibracteolate, glomerate, 
the glomerules axillary or in terminal spikes or panicles; sepals 5 in the staminate flowers, 
subequal, membranaceous or scarious, erect, apiculate, 1-nerved; perianth none in the pistillate 
flowers. Stamens 5; filaments subulate, distinct; anthers linear-oblong, 4-celled. Ovary 
ovoid, compressed or angled; style very short or none; stigmas 2-5, short or elongate, papillose 
or subplumose; ovule 1, subsessile, erect. Utricle membranaceous or fleshy, smooth or rugu- 
lose, indehiscent, irregularly dehiscent, or circumscissile. Seed erect, compressed, smooth 
and shining; embryo annular, the endosperm farinaceous; radicle inferior. 
Type species, Acnida cannabina L. 
