SALTBUSH FAMILY 437 



compressed, 2 lines long and as broad, the margins crenate-dentate above the 

 middle, the sides rarely muriculate. 



Saline flats : Solano Co. southward to Santa Clara Co. May-June. 



Var. notatior Jepson n. var. Sides copiously toothed-crested, the fruits thus 

 globose in outline. (Fructus utrinque dentato-cristatus copiose ad hunc 

 modum globosus.) Dried-up lake bed, San Jacinto, Jepson. 



Eefs. ATRIPLEX CORONATA Wats. Proc. Am. Acad. 9: 114 (1874), type loe. near Livennore 

 Pass, Brewer 1189. A. verna Jepson in Greene, Pitt. 2: 305 (1892), type loe. Collinsville. 



10. A. elegans Dietr. (Fig. 821) Scurfy, 3 to 10 inches high, with many 

 ascending stems from the base; leaves obovate, usually entire, 4 to 10 lines 

 long, sessile or the lowest petioled ; fruiting bracts round, compressed, 1 to 1% 

 lines broad, the somewhat convex center margined all around, the margin 

 regularly and minutely toothed, the sides smooth. 



Rabbit Sprs., Mohave Desert; Inyo Co. ace. Coville; Colorado Desert; east 

 to New Mexico and south into Mexico. 



Eefs. ATRIPLEX ELEGAXS Dietr. Syn. PI. 5: 537 (1852). Obione elegans Moq. in DC. 

 Proclr. 13 2 : 113 (1849), type from Sonora, Mex., Coulter. A. fasciculata Wats. Proc. Am. 

 Acad. 17: 377 (1882), type loe. Fish Ponds, Mohave Desert, S. B. $ W. F. Parish. 



11. A. coulter! Dietr. Erect with very slender branches, 1 to 3 feet high, 

 or sometimes diffusely spreading, the very base woody; leaves oblanceolate or 

 lanceolate, % to 1 inch long, entire, mucronulate, sessile or the lowest petioled ; 

 fruiting bracts roundish, 1 line broad, with a narrow herbaceous laciniately 

 toothed border which reaches nearly to the base, the convex sides reticulate- 

 veiny, smooth or rarely muricate. 



San Diego northerly to Capistrano and Ramona; Santa Catalina Island. 

 Refs. ATRIPLEX COULTERI Dietr. Syn. PI. 5: 537 (1852). Obione coulteri Moq. in DC. 

 Prodr. 13=: 113 (1849), type from California, Coulter. 



12. A. argentea Nutt. SILVER ORACHE. Erect, branching, y 2 to I 1 /? feet 

 high, gray-scurfy or glabrate, the upper side of the leaves greener; leaves 

 triangular-ovate or subhastate-ovate, acute, dentate or entire, % to 1 inch 

 long, shortly petioled, or the upper sessile; flowers in axillary clusters, the 

 staminate in the upper axils or in spikes; fruiting bracts roundish, spongy- 

 thickened, 3 lines long, with an herbaceous irregularly toothed margin above 

 the short turbinate or pedicellate base, one or both the sides with herbaceous 

 teeth or lamellae. 



Inyo Co. ace. Coville; Siskiyou Co., Butler 1066, 1841; Sierra Co. ace. Bot. 

 Cal. ; north to Washington, east to the Rocky Mts. 



Eefs. ATRIPLEX ARGENTEA Nutt. Gen. 1: 198 (1818), type loe. "saline places near the 

 Missouri"; Wats. Bot. Cal. 2: 53 (1880); Cov. Contrib. U. S. Nat. Herb. 4: 180 (1893). 



13. A. expansa AVats. FOG-WEED. Erect, much branched, 2 to 3y 2 feet 

 high; finely mealy-scurfy; leaves broadly ovate or deltoid-ovate, irregularly 

 and sharply toothed or entire, 1 to 3 inches long, often as broad as long, the 

 lower on stout petioles 1 to 10 lines long and 3-nerved from the base, the 

 upper reduced to sessile and more or less cordate floral bracts as broad as (or 

 broader than) long; spikes elongated, slender; fruiting bracts sessile, roundish, 

 mostly 3-nerved, 2 to 3 lines broad, the margin sharply toothed, the sides 

 smooth or with a few irregular projections or crests. 



Low alkaline areas of the interior : Sacramento Valley ; south to Los Angeles 

 and San Diego ; east to New Mexico. Very abundant in the lower San 

 Joaquin, a useful fodder plant if cut in May. 



Locs. San Joaquin Co., Jepson; upper San Joaquin Valley, Davy 2910; Santa Monica, 

 Parish Bros.; Ramona, K. Brandegee; Westminister, Orange Co., McClatchie. 



Refs. ATRIPLEX EXPAXSA Wats. Proc. Am. Acad. 9: 116 (1874), type loe. s. w. U. S. 

 A. nodosa Greene, Pitt. 1: 40 (1887), from Antioch, is an insect-stung monstrosity. A. 

 trinervata Jepson in Greene, Pitt. 2: 305 (1892), type loe. Araquipa Hills, Solano Co. Var. 

 mohavensis Jones, Contrib. 11: 20 (1903), type loe. Mohave Desert to San Bernardino. 



