No. 48. 
EREMOCHLOE BIGELOVII Watson. 
AND 
EREMOCHLOE KINGII Watson. 
1. Hremochloé Bigelovii. 
Culms 6 to 10 inches high, tufted, branching below, smooth; upper portion 
naked, except 2 or 3 small approximate leaves below the panicle. 
Leaves with blades 4 to 14 inches long, setaceous, striate, pungent 
Panicle small, 1 inch or less long, simple, or with 1 or 2 short branches, 
few-flowered. 
Spikelets 4-flowered; 2 lower neutral; third perfect; fourth, or uppermost, 
reduced to 3 feathery awns on a short pedicel 
Empty glumes lanceolate, smooth, 1-nerved, about 3 lines long. 
Sterile flowers consisting each of a flowering glume and palet. Flowering glume 
2-lobed to the middle, densely ciliate, 3-nerved, with a slender feathery awn between 
the lobes, these tipped with a short awn; palets very narrow, smooth, prered. 
2-toothed atthe apex or very rudimentary. 
Perfect flower with the flowering glume deeply 3-lobed, lobes extending into 
stiff ciliate awns; palet two-thirds as long, ovate, abruptly acuminate, smooth, 
slightly toothed at the apex; awns 3, strongly ciliate and united at the apex of a 
short smooth pedicel; a linear or awn-like scale sometimes attached to one of the 
sterile palets. 
2. Hremochloé Kingit. 
Culms low, tufted, 1 to 2 inches high. 
Leaves crowded at the base of the stem; sheath dilated, ciliate at the margins 
and apex, persistent, and with the old blades cut into fibrillee; blades 4 to 1 inch 
long, rigid, involute, pungent 
Panicle short, oblong, sheathed at the base by the upper leaf, less simple than 
in the other species. 
Spikelet 4-flowered; flowers as in EF. Bigelovii. 
Empty glumes 4 lines long, acute, smooth. 
Sterile flowers more deeply lobed; middle awn membranaceous, margined 
below. 
Perfect flower with the flowering glume deeply 3-lobed, middle lobe narrower. 
Pedicel and awns similar. ' 
Puate XLVIII; 1, Hremochloé Bigelovii; a, empty glumes; b, flowering 
glume; c, palet; d, pedicel and feathery awns. 
2, Eremochloé Kingii; e, spikelet; f, empty glumes; g, flowering glume: h, 
palet; z, pedicel and feathery awns. 
Eremochloe Bigelovii was found on the bluffs of the Rio Grande in western 
Texas. It has not recently been collected. 
E. Kingii has been found at Peach Springs, Arizona, and at several places in. 
Nevada. 
