CHENOPODIACEAE. 119 



dense terminal spike, 1-2 cm. long; pistillate flowers in axillary 2-3- 

 flowered clusters; fruiting bracts completely united and with a 

 short terminal wing, globose or nearly so, 3-4 mm. long. 



Rather common on the seabeach sands, often more or less buried. 



9. A. semibaccata R. Br. Perennial; stems much branched 

 from the base, prostrate, woody below, branches 3-10 dm. long, 

 branchlets slender, whitish, leafy throughout; leaves oblong-lance- 

 olate, tapering at base to a short petiole rounded at apex, 2-4 cm. 

 long, 15-30 mm. wide, entire or commonly irregularly and remotely 

 dentate, pale green above, silvery beneath; staminate flowers in 

 short capitate spikes terminating the branchlets; fruiting bracts 

 about 3 mm. long, the margins entire or minutely toothed on the 

 lateral angles, becoming fleshy and reddish when mature. 



Becoming well established along roadsides and in waste places. 

 Wiseburn; Wilmington; Santa Ana. More common about San 

 Diego and Escondido. Native of Australia and cultivated to some 

 extent under the name ot Australian salt-bush. 



10. A. breweri Wats. Dioecious, stout, 1.5-2 m. high, woody 

 below, grayish-puberulent; the branches terete, somewhat flexuous; 

 leaves ovate-oblong, somewhat rhombic-cuneate at the base, obtuse 

 or abruptly acute, 2.5-5 cm. long; calyx deeply 4-cleft; fruiting 

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

 the middle, entire, 2-3 mm. broad, (A. orbicularis Wats.) 



Bluffs along the seashore. Capistrano, Playa del Rey, Santa 

 Monica and northward. 



11. A. canescens (Pursh) James. Erect and shrubby, rather 

 strict, about 8 dm. high; leaves oblanceolate to narrowly oblong or 

 linear, 15-45 mm. long, obtuse or acutish, narrowed to the base, 

 entire; usually dioecious; the flowers in panicled spikes; calyx 5- 

 cleft; fruiting bracts connate and indurated, not scurfy or muricate, 

 the wings distinct and broad, veined and entire or toothed, 4-6 mm. 

 long. 



Occasional in the vicinity of San Bernardino and San Diego. A 

 common species on the desert. 



7. SALICORNIA L. 



Fleshy glabrous annual or perennial herbs, with oppo- 

 site terete branches, the leaves reduced to mere opposite 

 scales at the nodes. The flowers sunken, 3-7 together 

 in the axils of the upper leaves, forming narrow terminal 

 spikes, perfect or the lateral staminate. Calyx fleshy, 

 3-4-toothed or truncate, becoming spongy in fruit, de- 

 ciduous. Stamens 2 or sometimes solitary, exserted. 

 Styles and stigmas 2. Utricles enclosed by the spongy 

 fruiting calyx; embryo conduplicate. 



1. S. ambigua Michx. Perennial by a woody rootstock; stem 

 decumbent or trailing, 1-6 dm. long, the branches ascending or 



