358 
+ ++ Stigmas 2, subulate or filiform (except in lrelichia). 
9. Gomphrena. Flowers capitate. 
10. Freelichia. Flowers spicate: stigmas capitate. 
11, Iresine. Flowers paniculate, perfect or diwcious: leaves opposite: herbace- 
ous or nearly so. 
12. Dicraurus. Flowers paniculate, diecious: leaves alternate: shrubby. 
1. CELOSIA L. 
Smooth herbaceous or suffrutescent plants, with alternate leaves, the 
perfect and 3-bracted flowers crowded in axillary and terminal spikes 
or panicles, 4 sepals, 5 stamens united at base, 2-celled anthers, 3 
recurved stigmas, and a circumscissile utricle. 
1. C. paniculata L. Stem shrubby, erect: leaves deltoid-ovate, acute, abruptly 
petioled: spikes cylindrical, simple or branched: sepals oblong, rigid, several 
times longer than the bracts: seeds minute, lenticular, shining.—From San Antonio 
to San Pedro and southward. 
2. AMARANTHUS L. (AMARANTH) 
Annual weedy plants, with alternate setaceous-mucronate thin entire 
leaves decurrent on slender petioles, small green or purplish 1 or 
3-bracted flowers in axillary or terminal spike-like clusters, 5 (some- 
times 3) glabrous sepals, 2 or 3 linear sessile stigmas, and ovoid utricle 
opening transversely or bursting irregularly. 
* Utricle thin, the top falling away as a lid: flowers polygamous. 
+ Flowers in terminal and axillary simple or mostly panicled spikes: stems erect (8 to 
18 dm. high): sepals and stamens 5, 
++ Pubescent plants. 
1. A. retroflexus L. Roughish, more or less pubescent: leaves’ dull green, long- 
petioled, ovate or rhombic-ovate, undulate: flowers green, in thick spikes crowded 
in a stiff or glomerate panicle: bracts awn-pointed, rigid, exceeding the acute or 
obtuse sepals.—Throughout Texas, 
2, A. chlorostachys Willd. Very similar, but smoother and of a deeper green color, 
with more slender linear-cylindric more or less flexuous spikes, the lateral ones 
spreading or divaricate, and the sepals more frequently acute or acuminate. (A. 
retroflecus, var. chlorostachys Gray.)—From Laredo northward and eastward. 
3. A. obovatus Watson. Pubescent, slender, 6 dm. high, reddish, sparingly 
branched: leaves small, lanceolate, on short petioles: spikes erect, narrow, the termi- 
nal ones 2.5 to 5 cm. long, the axillary shorter: bracts subulate, acuminate, and pun- 
gent, much exceeding the unequal narrowly oblong acute sepals: utricle equaling 
the calyx: seeds oblong-ovate.—On the Lower Rio Grande. 
++ ++ Glabrous or glabrate plants. 
4, A. hybridus L. Smooth or nearly so, green: stems 6 to 9 dm. high: leaves 
ovate-oblong, rather large, long-mucronate, the pale veins prominent beneath: spikes 
numerous, panicled, the terminal one elongated, the lower axillary ones short and 
roundish: sepals oblong, acuminate, rather shorter than the subulate bracts and 
equaling the slightly rugose utricle-—From Virginia to Mexico. 
5. A. Wrightii Watson. Slender, reddish: leaves small and thin, oblong to nar- 
