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MALVACEAE. 
2. Sidalcea neo-mexicana A. Gray. (N. malvaefolia of Coult. Man.) In 
mountain valleys from Wyo. and Utah to N. M. and southern Calif.; also 
Sonora.—Alt. 6000-10,000 ft.—Pitkin; La Veta; Parlin, Gunnison Co.; Grizzly 
Creek; Marshall Pass; Grayback mining camps and Placer Gulch; Sangre 
de Cristo Creek; Piedra; valley of Arkansas; Calhan; Buena Vista; Bear 
River, Routt Co.; North Park; Soda Spring near north fork of the Platte; 
Bear River at Steamboat Springs; Grizzly Creek 16 miles north of Walden; 
Elk River. 
4. MALVASTRUM A. Gray. False Mallow. 
Plant canescent with stellate hairs; leaves 3-5-divided with 2-3-cleft divisions. 
Plant low, 1-2 dm. high; middle segment of the leaves slightly longer than 
the others; raceme crowded. 1. M. coccineum. 
Plant tall, 3-4 dm. high; middle segment of the leaves usually half longer 
than the others ; raceme elongated. 2. M. elatum. 
Plant lepidote and silvery with scale-like peltate hairs ; leaves 3-parted with nar¬ 
rowly linear divisions or the upper simple and filiform. 3. M. leptophyllum. 
1. Malvastrum coccineum (Pursh) A. Gray. On plains and in sandy valleys 
from Sask. and Ore. to Iowa, Tex. and Utah.—Alt. 4000-9000 ft.—Ft. Col¬ 
lins; Cimarron; Deer River; Manitou; Canon City; Arboles; Cucharas 
River below La Veta; Sangre de Cristo Creek; mesas near Pueblo; Trinidad; 
along Platte River, Denver; Mancos; New Windsor, Weld Co.; Rocky 
Ford; Montrose; Lamar; Quimby; Ouray; Horsetooth Gulch; Grand 
Junction; Colorado City. 
2. Malvastrum elatum (Baker) A. Nelson. ( M . coccineum elatum Baker) 
In dry valleys from southern Colo, and Utah to N. Mex.—Salida. 
3. Malvastrum leptophyllum A. Gray. In dry places from western Texas 
to southern Utah.—Valley of San Juan and La Plata ( Brandegee ) ; McElmo 
Creek (Eastwood). 
5. SPHAERALCEA St. Hil. Globe-mallow. 
Carpels glabrous or canescent, not hirsute, lower part reticulated; leaves small, 
not maple-like. 
Leaves lanceolate; fruit not depressed; carpels with cusp. 1. S. cuspidate. 
Leaves round-ovate to reniform in outline; fruit depressed globose; carpels 
not cuspidate-tipped. 2. S. marginata. 
Carpels thin, hirsute, the lower portion not reticulate ; leaves large, maple-like. 
Sepals lanceolate or ovate-lanceolate; bractlets subulate, three-fourths as long 
as the sepals or more. 3. A. Crandallii. 
Sepals broadly triangular-ovate; bractlets scarcely more than half as long 
as the sepals. 
Calyx and pedicels finely stellate ; bractlets subulate ; petals 2-2.5 cm. long. 
4. A. rivularis. 
Calyx and pedicels hirsute with branched hairs; bractlets lanceolate ; petals 
3 cm. or more long. 5. A. grandidora. 
1. Sphaeralcea cuspidata (A. Gray) Britton. (N. angustifolia cuspidate 
A. Gray; S. stellate T. & G.; Sid a stellata Torr.; not Cav.) In dry ground 
from Kans and Colo, to Tex. and Ariz.; also Sonora.—Canon City; Pueblo; 
Rocky Ford. 
2. Sphaeralcea marginata York. (Malvastrum Munroanum S. Wats., in 
part; not Malva Munroana Dougl.) In dry places in western Colo, and 
northern N. M.—Alt. up to 6000 ft.—McElmo Canon; Grand Junction. 
