OF ARTS AND SCIENCES. Ill 



11. A. MONILIFERA. Low, slender, branching from tlie base, the 

 stems decumbent or ascending, 3-6 inches long, leafy, hoary-farinose ; 

 leaves broadly ovate to lanceolate, 3-6 lines long, acute, obtuse or cor- 

 date at base, sessile, entire or somewhat repand-dentate ; male flowers 

 in dense globose clusters, mostly in terminal naked subpanicled spikes, 

 the calyx o-cleft to the middle ; flowering bracts minute, solitary in the 

 axils, ovate, acute, entire, enclosing two shorter sepals alternate with 

 them ; styles exserted ; mature fruit unknown. — Collected by Dr. 

 Gregg in the dried bed of a lake in Bolson de Mapimi, Chihuahua ; 

 " Quelito," used for greens. 



12. A. Suckle YANA. Prostrate or ascending, the stems afoot long 

 or more, stout and somewhat fleshy, smooth or coarsely scurfy, leafy ; 

 leaves suborbicular to ovate or rhombic, i— 1 inch long, obtuse, abruptly 

 narrowed into a slender petiole exceeding the blade, acutely repand- 

 dentate ; flowers in axillary clusters, the staminate above ; calyx 

 3-4-parted to the base ; fruiting bracts 2^3 lines long, ovate-rhombic 

 and subhastate, flattened, surrounded by a very narrow crenate-deuti- 

 culate margin ; seed large, filling the cavity, the testa very thin. — • 

 From Milk River, Northern Montana, to South Park, Colorado. 



Obione Sucldeijana. Torrey, Pac. E. R. Rep. 12. 47, t. 4. Engehn. PI. Upp. 



Miss. 206. Porter, Fl. Col. 118. 

 Collectors : — Suckley ; Hayden ; Meelian. 



§ 4. Fruiting bracts 1-2 lines long or less, oblong to cuneate- 

 orbicular, united to above the middle, coriaceous or somewhat 

 indurated, only the truncate or rounded apex narrowly margined 

 and few-toothed, the sides 3-nerved, rarely appendaged: spikes 

 leafy or the staminate naked and slender (in A. microcarpa and 

 Wriyhtii) : leaves entire. 



13. A. TRUNCATA, Gray. Rather stout, erect and mostly strict, 

 1-3 feet high, sparingly branched, leafy, canescent, scurfy above ; leaves 

 broadly ovate, -i-l| inches long, truncate or cordate at base, acute, ses- 

 sile or the lower shortly petioled ; spikes more or less leafy; calyx 

 mostly 3-4-parted; fruiting bracts 1^ lines long, ovate-oblong, sessile 

 or shortly pedicelled, united up to the truncate herbaceous summit, 

 which is obtusely 3-toothed, the sides rarely subtuberculate. — Fre- 

 quent from Oregon to Northwestern Nevada. 



Atriplex patiila, var. Hook. Fl. Bor.-Am. 2. 128. 

 Atriplex patula. Newberry, Pac. R. R. Rep. 6. 87. 

 Ohione truncata. Torrey; Watson, King's Rep. 5. 271. 

 Atriplex truncata. Gray, Proc. Amer. Acad. 8. 398. 



Collectors : — 223 Stretch; 40 Anderson; Newberry; 987 Watson; Gray; 

 433 Hall. 



