84 CHENOPODIACEAE 



crowded, elliptic to lanceolate or oblanceolate, 1-2 cm. long, acute at apex, narrowed at base, 

 sessile, entire, furfuraceous-canescent ; flowers in dense axillary clusters, forming naked or leafy 

 spikes'; fruiting bracts sessile, 3 mm. long, ovate, often broadly so, acute, distinct, entire. 



Usually in sandy soil, mainly Sonoran Zones; along the coast from central California to Cedros Island, Lower 

 California. Type locality: California. April-Nov. 



22. Atriplex semibaccata R. Br. Australian Saltbush. Fig. 1522. 



Atriplex semibaccata R. Br. Prod. 406. 1810. 



Atriplex denticulata Moq. in DC. Prod. 13 2 : 97. 1849. 



Atriplex flagellars Wooton & Standley, Contr. U.S. Nat. Herb. 16: 119. 1913. 



Perennial, the stems much branched, prostrate, woody at base, the branches slender, terete, 

 3-10 dm. long, whitish, sparsely furfuraceous or glabrate. Leaves numerous, short-petioled, 

 oblong to oblong-obovate, 10-35 mm. long, acute or obtuse at apex, cuneate or attenuate at base, 

 irregularly repand-dentate or the upper entire, thin, green and usually glabrate above, more or 

 less densely furfuraceous beneath ; staminate flowers usually in small terminal clusters, the pistil- 

 late usually solitary in the lower axils ; fruiting bracts sessile, rhombic, 4-5 mm. long, united at 

 base, compressed, denticulate or entire, the sides nerved, but otherwise smooth, becoming red and 

 fleshy in age. 



Roadsides and waste places, Sonoran Zones; introduced from Australia and well established in southern 

 California. April-Dec. 



23. Atriplex leucophylla (Moq.) D. Dietr. Beach Saltbush or Sea-scale. 



Fig. 1523. 



Obione leucophylla Moq. in DC. Prod. 13 2 : 109. 1849. 

 Atriplex leucophylla D. Dietr. Syn. PI. 5: 536. 1852. 



Perennial, the stems procumbent or decumbent, woody at the base, much branched, 3-10 mm. 

 long, stout, terete, densely and coarsely furfuraceous. Leaves numerous, sessile, oblong or oval 

 to orbicular, 15-40 mm. long, obtuse to rounded at apex, cuneate or rounded at base, entire, densely 

 whitish or somewhat yellowish, furfuraceous; staminate flowers in dense terminal spikes, the 

 pistillate in few-flowered axillary clusters ; fruiting bracts sessile, 5-7 mm. long, broadly ovate, 

 spongy, not compressed, acutish, united to the middle, entire or dentate, usually with many stout 

 often flattened tubercles on the sides, densely furfuraceous. 



Sea beaches, Transition and Sonoran Zones; Humboldt Bay, California, to Viscaino Bay, Lower California. 

 Type locality: California. April-Oct. 



24. Atriplex fruticulosa Jepson. Ball Saltbush. Fig. 1524. 



Atriplex fruticulosa Jepson, Pittonia 2: 306. 1892. 



Perennial, the stems several, erect, fruticose at base, 15-35 cm. high, simple below, branched 

 above, the branches ascending. Leaves numerous, all alternate, the lower mostly short-petioled, 

 the upper sessile, narrowly elliptic to linear-lanceolate, 5-20 mm. long, cuneate or rounded at 

 base, acutish at apex, entire, somewhat coriaceous, densely furfuraceous; staminate flowers in 

 dense, interrupted terminal spikes, the pistillate in small axillary clusters ; fruiting bracts sessile, 

 3-4 cm. long, orbicular or orbicular-obovate, compressed, united to above the middle, narrowly 

 margined and acutely dentate above the middle, the sides tooth-crested or muricate, indurate. 



Alkaline soils, Sonoran Zones; Sacramento and San Joaquin Valleys, California. Type locality: near Little 

 Oak, Solano County, California. March-Nov. 



25. Atriplex Watsonii A. Nels. Watson's Saltbush. Fig. 1525. 



Atriplex decumbens S. Wats. Proc. Amer. Acad. 12: 275. 1877. 

 Atriplex Watsonii A. Nels. Proc. Biol. Soc. Wash. 17: 99. 1904. 



Perennial, the stems much branched, prostrate or decumbent, 2-10 dm. long, fruticose at base, 

 densely furfuraceous. Leaves numerous, mostly opposite, sessile, broadly ovate to ovate-oblong, 

 8-15 mm. long, acute or acutish at apex, rounded or obtuse at base, entire, somewhat coriaceous, 

 densely furfuraceous ; flowers dioecious, the staminate in short, usually simple terminal spikes, 

 the pistillate in small axillary clusters ; fruiting bracts sessile or nearly so, triangular or rhombic, 

 4-6 mm. long, compressed, united to above the middle, acute, sparsely denticulate above or rarely 

 entire, the sides smooth, coriaceous. 



Sea beaches and bluffs, Sonoran Zones; Santa Barbara County, California, to San Quentin Bay, Lower 

 California. Type locality: near San Diego, California. April-Oct. 



26. Atriplex hymenelytra (Torr.) S. Wats. Desert Holly. Fig. 1526. 



Obione hymenelytra Torr. Pacif. R. Rep. 4: 129. 1857. 

 Atriplex hymenelytra S. Wats. Proc. Amer. Aicad. 9: 119. 1874. 



An erect, much branched shrub, 3-12 dm. high, the branches terete, densely white- furfura- 

 ceous. Leaves petioled, orbicular to rhombic, 15-35 mm. long, often truncate, subcordate or short- 

 cuneate at base, obtuse at apex, deeply and irregularly dentate, thick and densely white-furfura- 

 ceous ; flowers dioecious, the staminate in dense glomerules or paniculate spikes, the pistillate in 

 short dense spikes ; fruiting bracts 7 7 10 mm. long, short-stalked, orbicular or subremform, dis- 

 tinct, entire, densely furfuraceous, thin. 



Alkaline soils, but usually on hillsides or in washes rather than flats, Lower Sonoran Zone; deserts of south- 

 ern California to southern Utah and western Arizona, Sonora, and Lower California. Type locality: hilly and 

 gravelly places, on Williams River, Arizona. Feb.-April. 



