(353) 
Specimens examined: Frazier Borax Mine, Mount Pinos, altitude 
1600 meters, Abrams &F McGregor 267. 
CHENOPODIACEAE. Gooseroot Famity. 
Flowers unisexual. 
Staminate flowers with 3-5-cleft perianth; pistillate flowers without 
perianth, enclosed in a pair of more or less united bracts. 
Bracts compressed. 1. Atriplex. 
Bracts obcompressed. 
Pericarp glabrous, winged. 2. Grayia. 
Pericarp hairy, not winged. 3. Eurotia. 
Staminate flowers without perianth; pistillate with a saccate perianth. 
6. Sarcobatus. 
Flowers perfect. 
Leaves none; flowers immersed in the fleshy stems. 4. Allenrolfea. 
Leaves terete; flowers not immersed in the stems. 5. Dondia. 
1. ATRIPLEX. Satt-susz. 
Fruiting bracts without lateral wings. 
Fruiting bracts without free diverging margins; leaves petioled. 
Branches terete, flexuous (or slightly spinescent in no. 1). 
Calyx-segments 5; bracts obscurely crenate. 1. A. lentiformis. 
Calyx-segments 4; bracts entire. 2. A. Brewert. 
Branches distinctly angled, the ultimate divaricate and spinescent; 
bracts denticulate. 3. A. Torreyt. 
Fruiting bracts with free diverging margins. 
Margins of bracts toothed, sides muricate. 4. A. polycarpa. 
Margins of bracts entire, sides not muricate. 
Leaves entire, sessile or nearly so. 
Fruiting bracts 6-10 mm. long; leaves cuneate at base. 
5. A. confertifolia. 
Fruiting bracts 3 mm. long; leaves cordate at base. 
6. A. Parryt. 
Leaves coarsely toothed. 7. A. hymenelytra. 
Fruiting bracts with 4 broadly dilated lateral wings. 8. A. canescens. 
1. ATRIPLEX LENTIFORMIS (Torr.) S. Wats. Proc. Am. Acad. 9: 
Rio. O74. 
Obione lentiformis Torr. Sitg. Rep. 169, pl. 14. 1854. 
Type locality: “On the Colorado of California.” 
Distribution: Upper San Joaquin Valley southward through 
the deserts of southern California, and Arizona to adjacent Mexico. 
Growing in heavy alkaline soil. Lower Sonoran. 
Specimens examined: Imperial Valley, near Calexico, G. D. 
Abrams, Sept. 1902; Mountain Spring, Palmer 328. 
