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CHENOPODIACEAE. 
15. Chenopodium Botrys L. In waste places from N. S. to B. C., Ga. and 
Calif.; also Mex.—Alt. 4000-8000 ft.—Plains and foot-hills near Boulder; 
Ouray; Idaho Springs; Box Canon, west of Ouray; Clear Creek Canon, 
above Golden. 
16. Chenopodium cornutum B. & H. In dry places from Colo, to N. M. and 
Ariz.; also in Mex.—Alt. 4000-8000 ft.—Huerfano Co.; Buena Vista; Little 
Veta Mountain. 
2. BLITUM L. Strawberry Blite. 
Leaves more or less dentate, truncate or broadly cuneate at the base; inflorescence 
dense and leafy. 1. B. capitatum. 
Leaves entire, except the hastate teeth at the cuneate base; inflorescence slender 
and naked above. 2. B. hastatum. 
1. Blitum capitatum L. In rocky soil from N. S. to Alaska, N. J. and 
Calif.—Alt. 6000-10,000 ft.—Mountains between Sunshine and Ward, Boulder 
Co.; Hamor’s Lake, above Durango; Georgetown; Sangre de Cristo Creek; 
North Park; Gunnison; Veta Pass; La Veta; Minnehaha; Ouray; Brecken- 
ridge; Anchor; Poudre Canon; Elizabethtown; Chambers’ Lake; Buena 
Vista; forks of Poudre and Big-tooth. 
2. Blitum hastatum Rydb. In stony ground from Wyo. to Utah and Colo. 
—Alt. 6000-9500 ft.—Big Creek Gulch, Routt Co.; Trapper’s Lake. 
3. CYCLOLOMA Moq. 
1. Cycloloma atriplicifolium (Spreng.) Coult. (C. platyphyllum Moq.) 
In sandy soils from Ont. to Mont., Ark. and Ariz.—Alt. 4000-6000 ft.—La 
Salle; Denver; New Windsor, Weld Co.; near Boulder; Elk Canon. 
4. MONOLEPIS Schrad. 
Leaves lanceolate, hastately lobed, flower clusters several flowered ; pericarp some¬ 
what fleshy. 1. M. Nuttalliana. 
Leaves spatulate, entire; flower-clusters 1-3-flowered; pericarp thin. 
2. M. pusilla. 
1. Monolepis Nuttalliana (R. & S.) Engelm. ( M . chenopodioides Moq.) 
In alkaline soil from Minn, to Wash., Tex. and Calif.—Alt. 4000-9000 ft.— 
Near Bents’ Fort; valley near Empire; Sangre de Cristo Creek; headwaters 
of Pass Creek; Arboles; Durango; vicinity of Fort Collins; Gunnison; New 
Windsor, Weld Co.; Buena Vista; Montrose; Platte River Valley; Grand 
Junction; Fort Collins. 
2. Monolepis pusilla Torr. In alkaline soil from Wyo. and Colo, to Calif.— 
Grand Junction. 
5. ATRIPLEX L. Orache. 
Annuals. 
Bracts united only at the base; radicle inferior. 
Bracts thin, broadly ovate, mucronate. 17. A. hortensis. 
Bracts thick, deltoid or lanceolate, acute. 
Stem tall, erect; leaves broadly ovate or triangular-hastate. 
1. A. carnosa. 
Stem low, 2-4 dm. high, spreading or ascending; leaf-blades lanceolate, 
hastately lobed. 2. A. subspicata. 
