314 The Botanical Gazette. [August, 
* 14. A. HYBRIDUS L. Sp. Pl. 990. 1753. 
A. hypochondriacus L. Sp. Pl. 991. 1753. 
A. Chlorostachys Willd. Hist. Amarant. 34. p/. ro. f. 19. 1790. 
A. Chlorostachys var. hybridus Wats. Gray's Man. Ed. 6. 428. 1889, 
This species is scarcely less widespread than the preceding, also in-. 
digenous southwestward, both species having rapidly sprea north- 
Var. PANICULATUS Uline and Bray, Mem. Torr. Bot. Club, 
5: 145. 1894. 
Not sufficiently distinct from the species, but provisionally | 
embraces those forms having reddish color and lanceolate 
leaves, and particularly those with very long, slender, flexu- 
ous, paniculate spikes and commonly shorter bracts. 
15. A. CAUDATUS L. Spec. Pl. 990. 1753. 
A. leucospermus Wats. Proc. Amer. Acad. 10: 347. 1875. a 
Resembling A. hydridus, but easily recognized by the white sah bod a 
lowish seed with rimmed margin (marking the albumen line). ew Hak 
ally from the American tropics but spreading northward in Ar 
where the Indians cultivate it for the seed. . 
* & & Stamens irregularly 3 to 5: bract 
acuminate. 
s very long and . 
16. A. bracteosa, n. sp. eae 
Plant erect or ascending, glaucous: leaves distant, fishy, 
long-petioled, spatulate-obtuse: glomerules interrupted, | is 
lary and terminal: bracts foliaceous, awl-shaped, 6 a (A. 
long (thrice the length of the calyx).—New Mexi = 
Fendler 735 in 1847.) ee 
This specimen is in the Gray Herbarium and is labelled 4 all 
flexus, though it is radically distinct from that species 4S it ‘ the Te 
other Euamaranthi in its thick glaucous spatulate leaves He nal - 
markably long leafy bracts. Another specimen in the a He al 
barium was raised from Arizona seed by Dr. Vasey 19 1879. 
ity in Arizona is not known. ee 
$3. Sepals 5: utricle thin, bursting or imperfectly 
cumscissile: a pair of stipular spines im the 4a 
large leaves. 
