Eurotia. CHEXOPODIACEJS. 55 



17. A. Torreyi, Watson, 1. c. Diffusely and rigidly branched, 2 to 5 feet high, 

 strongly angled ; the branchlets divaricate and spinescent : leaves triangular-ovate 

 to -oblong or somewhat hastate, a half to an inch long, abruptly acute : calyx 

 deeply 4-cleft : bracts orbicular to reniform, a line or two broad, distinct, strongly 

 compressed, obscurely denticulate : seed light-colored. Obione Torreyi, Watson, 

 Bot. King Exp. 290. 



East of the Sierra Nevada in the dry valleys of Nevada, and on the Mohave (Cooper) ; Southern 

 Utah, Palmer. 



18. A. Breweri, Watson. Stout, 6 feet high or more, grayish-puberulent ; the 

 branches terete, somewhat flexuous : leaves ovate-oblong, somewhat rhombic, cune- 

 ate at base, obtuse or abruptly acute, an inch or two long : calyx deeply 4-cleft : 

 bracts spongy, ovate to rounded, convex, united at the margin to the middle, entire, 

 1 to 1J> lines broad. Rev. Chenbp. 11.9. 



On the seashore at Santa Monica (Brewer) and Santa Barbara, Torrey. 



+- *- -t- Fruiting bracts large, rounded, thick and scurf//, united at base around 

 the seed ; the dilated margins free, entire ; the sides not muricate : erect 

 densely white-scurfy shrubs. 



19. A. confertifolia, AVatson, 1. c. Diffusely branched, 1 to 5 feet high, some- 

 what spinescent : leaves ovate or obovate to oblanceolate, 2 to 8 lines long, obtuse 

 or acutish, cuneate at base, shortly petioled or sessile, entire : flower-clusters small, 

 axillary : calyx 5-cleft : bracts sessile, 2 to 6 lines long, cuneate-orbicular : seed a 

 line broad. Obione confertifolia, Torrey, Frem. Rep. 318. 0. spinosa, Moquin, 

 1. c. 108. 



Abundant in dry valleys in the interior from N. Nevada to Utah and S. Colorado and south- 

 ward to Northern Mexico. 



20. A. hymenelytra, Watson, 1. c. Diffusely branched, 2 or 3 feet high : 

 leaves deltoid, orbicular or rhombic, | to 1J inches broad, coarsely toothed, truncate 

 or cuneate at base, on short petioles : flower-clusters paniculate-spicate : calyx 

 5-parted : fruiting bracts 3 to 6 lines broad, on- a short thick pedicel, reniform- 

 orbicular : seed a line broad. Obione hymenelytra, Torrey, Pacif. R. Rep. iv. 

 129, t. 20. 



In dry valleys from the Colorado eastward through Arizona and S. Utah. 



-i -i -i -t Fruiting bracts connate and indurated, not scurfy or muricate, with 

 four distinct broadly dilated wings, veined and entire or toothed. 



21. A. canescens, James. Erect and shrubby, two feet high or less : leaves 

 oblanceolate to narrowly oblong or linear, \ to 2 inches long, obtuse or acutish, nar- 

 rowed to the base, entire : flowers mostly dioecious, in panicled spikes : calyx 5-cleft : 

 fruiting bracts forming a thick and indurated body 2 or 3 lines long, shortly pedi- 

 cellate and with a narrow bifid apex, the 4 (rarely 8) broad lateral wings 3 to 6 lines 

 long, overtopping the free apex and somewhat decurrent upon the pedicel : seed a 

 line broad. Watson, Rev. Chenop. 1 20. Pterochiton occidentale, Torrey, Frem. 

 Rep. 318. Obione occidentalis & Berlandieri, Moquin, 1. c. 0. tetraptera, Benth. 

 Bot. Sulph, 48. 



A very frequent species in the interior, from Northern Nevada and Colorado to Northern Mexico 

 and S. California ; San Bernardino to San Diego and eastward. 



8. EUROTIA, Adanson. 



Flowers dioecious or monoecious. Staminate flowers without bracts : calyx 

 4-parted : stamens as many, with slender exserted filaments. Pistillate flowers 

 bibracteate, without perianth. Bracts sessile, obcompressed, united, becoming 



