MALLOW FAMILY 105 



and on the lower western slopes of the Sierra Nevada to southern California. Type locality: near Compton- 

 ville, Yuba County, California. April-Aug. 



Sidalcea asprella var. robusta (Roush) Jepson, Fl. Calif . 2 : 490. 1936. Stems stout, glabrous below; 

 lower surfaces only of leaves stellate-pubescent; flowers 25-32 mm. long; calyx lobes 3-nerved. Foothills, Butte 

 County, California. Type locality: near Chieo, Butte County. 



15. Sidalcea glaucescens Greene. Glaucous Sidalcea. Fig. 3210. 



Sidalcea glaucescens Greene, Bull. Calif. Acad. 1: 77. 188S. 

 Sidalcea montana Congdon, Erythea 7: 183. 1900. 



Perennial 5-8 dm. high from a woody root, glaucous and minutely stellate-puberulent to 



glabrescent throughout. Basal leaves round-reniform, 2-4 cm. broad, S-7-lobed, the lobes simple 



or usually shallowly 3-dentate, the teeth rounded or acute, cauline leaves more deeply parted, 



the lobes and teeth narrower, those of uppermost leaves lanceolate, entire ; petioles slender, 2-10 



cm. long; inflorescence a loose, few-flowered raceme, up to 3 dm. long, stellate-pubescent; pedicels 



3-10 mm. long; calyx 3-4 mm. broad, the lobes triangular-lanceolate, 5-6 mm. long, acuminate, 



becoming broader and conspicuously veined in fruit; petals 12-18 mm. long, rose-purple, obovate; 



carpels about 4 mm. high, favose-reticulate, sparsely puberulent, beak minute. 



Mountain meadows and hillsides, Transition and Canadian Zones; Siskiyou and Lassen Counties southward 

 in the Sierra Nevada to Mariposa County, California. Type locality : Summit Station, Donner Pass. June-Aug. 



16. Sidalcea malvaeflora (DC.) A. Gray. Checker Bloom. Fig. 3211. 



Sida malvaeflora DC. Prod. 1: 474. 1824. 



Sida delphinifolia Nutt. ex Torr. & Gray, Fl. N. Amer. 1: 235. 1838. 

 Sidalcea malvaeflora A. Gray in Benth. PI. Hartw. 300. 1848. 

 Sidalcea humilis A. Gray, Mem. Amer. Acad. II. 4: 20. 1849. 

 Sidalcea scabra Greene, Pittonia 3: 158. 1897. 



Decumbent to suberect perennial, 5-9 dm. high, retrorsely hirsute throughout, often with 



intermingled stellate hairs. Leaves orbicular, 1-8 cm. broad, the lower 7-9-lobed, the lobes 



crenate; upper leaves 5-7-parted, the segments cuneiform, entire to 3-lobed; petioles 2-15 cm. 



long; stipules ovate-lanceolate, 5-6 mm. long; inflorescence racemose, few-flowered; calyx-lobes 



narrowly triangular-lanceolate, 2 mm. wide, 7-10 mm. long, stellate-pubescent with few simple 



hairs on margins and nerves; petals rose-pink or rarely white, 1-2.5 cm. long, emarginate; 



carpels about 3 mm. high, rugose-reticulate on back and sides, beak erect. 



Grassy hillsides and meadows, Upper Sonoran and Transition Zones; Curry County, Oregon, southward 

 through the Coast Ranges to northern Lower California. Type locality: Monterey, California. March-July. 



Sidalcea malvaeflora var. celata Jepson, Fl. Calif. 2:493. 1936. Herbage stellate-hispid, bearing few 

 simple hairs; basal leaves deeply lobed or cleft; inflorescence more elongated. Upper Sacramento Valley, Cali- 

 fornia. Type locality: Olinda, Shasta County, California. 



Sidalcea malvaeflora var. californica (Nutt.) Jepson, Man. Fl. PI. Calif. 630. 1925. Velvety stellate- 

 tomentose throughout, nearly devoid of simple hairs; leaves less deeply lobed and more densely stellate-pubescent 

 than in the species; calyx-lobes strongly 3-5-nerved. Hillsides and low mountains from the vicinity of Lompoc, 

 Santa Barbara County, to Ojai Valley, Ventura County, California. Type locality: Santa Barbara. 



Sidalcea malvaeflora subsp. rostrata (Eastw.) Wiggins {Sidalcea rostrata Eastw. Bull. Torrey Club, 

 29: 80. 1902.) Leaves all orbicular, dentate to shallowly lobed and dentate, densely strigose-hirsute, the hairs 

 simple; calyx-lobes lance-attenuate, 8-14 mm. long; carpels strongly beaked. Coastal cliffs and near-by slopes, 

 Humboldt County to Monterey County, California. Intergrading with the species inland. Type locality: Men- 

 docino, Mendocino County. 



17. Sidalcea virgata Howell. Rose Sidalcea. Fig. 3212. 



Sidalcea virgata Howell, Fl. N.W. Amer. 101. 1897. 



Perennial, 2-6 dm. high with 1 to several erect stems softly stellate-pubescent throughout. 

 Leaves orbicular, 4-7 cm. broad, 5-7-lobed, sinuses narrow, lobes coarsely irregular-dentate, 

 pubescence denser on upper surface than on lower ; inflorescence virgate, racemose, stellate- 

 puberulent ; calyx-lobes 5-6 mm. long, triangular-lanceolate, acuminate ; petals rose-purple, 

 shallowly emarginate or truncate, 6-10 mm. long in pistillate flowers, twice as long as perfect 

 flowers ; carpels about 3 mm. high, finely and highly reticulate on the angles, the back smooth 

 or nearly so. 



Dry hillsides. Humid Transition Zone; Willamette Valley, Oregon. Type locality: Willamette Valley. 

 May-July. 



18. Sidalcea neo-mexicana A. Gray. Rocky Mountain Sidalcea. Fig. 3213. 



Sidalcea neo-mexicana A. Gray, Mem. Amer. Acad. II. 4: 23. 1849. 



Sidalcea parviflora var. Thurbcri Robinson in A. Gray, Syn. Fl. N. Amer. 1^: 305. 1897. 



Sidalcea crenulata A. Nels. Proc. Biol. Soc. Wash. 17: 93. 1904. 



Sidalcea confinis Greene, Cyb. Columb. 1: 35. 1914. 



Erect perennial 1-8 dm. high, hirsute to glabrescent throughout, occasionally a few geminate 

 or stellate hairs on leaves and calyces. Leaves orbicular, 1-6 cm. broad, crenate to shallowly 

 5-9-lobed, the lobes crenate ; upper leaves 3-5-divided, the segments entire or 2-5-Iobed, ciliate ; 

 inflorescence racemose, rnany-flowered ; rachis glabrous to sparsely hirsute or stellate-pubescent ; 

 bracts 0.5-1 cm. long, bifid ; pedicels densely hirsute to glabrous; calyx 4-6 mm. long, more or 

 less hirsute and with a few intermingled stellate hairs in some specimens, the lobes triangular- 

 ovate, acuminate; petals 10-15 mm. long, rose-purple; carpels 2.5-3 mm. high, nearly as wide. 



