Part 2, 1917] AMARANTHACEAE 109 
hairs below, green, scarious-margined; style-branches 3 or 2; utricle much shorter than the 
calyx, circumscissile near the middle; seed subglobose, 1.2 mm. long, brownish-black, lustrous. 
Type Locality: On hills, Magdalena Bay, Lower California, 
DistRipution: Known only from the type locality. 
16. Amaranthus Bigelovii Uline & Bray, Bot. Gaz. 19: 271. 1894. 
Sarratia Berlandieri emarginata Torr. Bot. Mex. Bound. Surv. 179. 1859. 
Amaranthus Bigelovii emarginatus Uline & Bray, Bot. Gaz. 19: 271. 1894. 
Stems erect, stout, 4-5 dm. high, with numerous slender erect branches, glabrous; leaves 
numerous, yellowish-green, glabrous, the petioles slender, 1-2.5 cm. long, the blades lance-ovate, 
3-7 cm. long, acute at the apex, acute at the base; flowers monoecious, in dense glomerules, 
these mostly axillary but sometimes aggregated in a stout leafy spike ; bracts lance-subulate, 
pungent-pointed, slightly exceeding the flowers; sepals 5, those of the staminate flowers ovate- 
oblong, acute, those of the pistillate flowers spatulate, obtuse, the outer with excurrent mid- 
nerves, somewhat united at the base; stamens 5; utricle circumscissile, shorter than the sepals; 
seed nearly orbicular, black and shining, 1 mm. in diameter. 
TYPE LOcaLity: Mountains of the Cibola, western Texas. 
DISTRIBUTION: Western Texas. 
17. Amaranthus fimbriatus (Torr.) Benth.; S. Wats. Bot. Calif. 2: 
42. 1880. 
Sarratia Berlandieri fimbriata Torr. Bot. Mex. Bound. Surv. 179. 1859. 
Amblogyna fimbriata A, Gray, Proc. Am. Acad. 5: 167. 1861. 
Stems stout, erect, 1 meter high or less, much branched above, the branches ascending, 
glabrous, or puberulent above; petioles slender, 1-3 cm. long; leaf-blades narrowly lanceolate 
to linear, 4-7 cm. long, bright-green, acute or obtuse, apiculate, glabrous; inflorescence spike- 
like, 9-30 cm. long, composed of numerous dense many-flowered glomertles, interrupted and 
leafy below, naked above; flowers monoecious; bracts ovate, acute or acuminate, often fimbriate, 
half as long as the sepals or less; sepals of the pistillate flowers broadly spatulate, 2.5-3 mm. 
long, united at the base, conspicuously veined, often tinged with red, the margins fimbriate; 
sepals of the staminate flowers oblong, acute; stamens 3; style-branches 3; utricle circumscissile 
near the apex; seed dark-brown or black, 0.8 mm. in diameter. 
TYPE LocALITy: On the Gila River, Arizona. 
DISTRIBUTION: Nevada and southern Utah to Sinaloa and Lower California. 
18. Amaranthus Brandegei Standley, sp. nov. 
Plants slender, glabrous, about 9 dm. high, erect, simple below, sparsely branched above, 
the branches ascending, subangulate, pale-green; petioles very slender, 0.8-2.7 cm. long; leaf- 
blades oval-ovate or ovate-rhombic, rarely oval-obovate, 2.5-6 cm. long, 1.4-3.4 em. wide, 
acute or obtuse and abruptly decurrent or sometimes acuminate at the base, rounded or obtuse 
at the apex, the midvein excurrent, thin, green above, pale beneath; flowers monoecious, in 
rather lax glomerules, these forming axillary or terminal, naked, simple or usually paniculate 
spikes 12 cm. long or shorter and 6-10 mm. thick; bracts about as long as the sepals, 
ovate or oblong-ovate, long-acuminate, the tips rigid, green, the margins thin and whitish; 
sepals of the staminate flowers 1 mm. long, oval, acutish; stamens 2 or 3; sepals of the pistil- 
late flowers narrowly obovate, 1-1.5 mm. long, urceolate in age, the tips spreading, the 
inner ones obtuse, the outer acute, thin, l-nerved, green along the nerves, the margins white; 
utricle circumscissile, half longer than the sepals, deeply 3-corniculate at the apex, the style- 
branches short, erect; seed dark reddish-brown, ovate-orbicular, 1 mm. long, lustrous. 
Type collected at Cofradia, near Culiacan, Sinaloa, Mexico, November 14, 1904, T. S. 
Brandegee (Herb. Univ. Calif. no. 116342). 
