MALLOW FAMILY 489 



Tax. note. — The characters distinguishing Sidalcea rhizomata Jepson from S. calycosa 

 Jones are mainly as follows: (a) stems rhizomatously rooting at decumbent bases; (b) herbage 

 and stems more succulent; (c) transition abrupt from orbicular basal leaves to the pedately 

 divided cauline leaves; (d) leaves, stipules and bracts larger; (e) inflorescence a dense thick 

 spike; (f) hairs on calyx and bracts denser and coarser. The number of leaf divisions in S. 

 calycosa is 6 to 8, in S. rhizomata 7 to 11, averaging more in the latter, usually 9 to 11. Delicate 

 plants from the interior do, indeed, sometimes show the tendency toward rhizomatous rooting 

 {Tracy 5645, Salt Springs Valley), but Sidalcea rhizomata stands out from S. calycosa as a 

 definite departure, not as the extreme result of a gradual modification of the species S. calycosa 

 as it approaches the coast. 



Eefs. — Sidalcea rhizomata Jepson, Man. 629 (1925), type loc. Eussel ranch, Pt. Eeyes 

 Peninsula, Marin Co., Jepson 1174. S. calycosa Jepson, Fl. W. Mid. Cal. 240 (1901), in part, 

 ed. 2, 259 (1911), in part; Roush, Ann. Mo. Bot. Gard. 18:145 (1931), in part; not S. calycosa 

 Jones (1883). 



6. S. reptans Greene. Sierra Checker. Steins slender, usually simple, 9 to 

 24 inches high, ascending from decumbent bases which root at the nodes; root- 

 stocks slender; herbage hirsute, the hairs mostly spreading, especially on the stems 

 and petioles; leaves mainly basal or sub-basal, the blades orbicular, coarsely cre- 

 nate to lobed or incised, or pedately divided, % to 2l^ inches wide; petioles of 

 basal leaves 3 to 11 inches long; upper leaves few, the blades usually deeply 5 to 

 7-parted, short-petioled; inflorescence spicate, becoming 3 to 6 inches long, loose 

 in age; pedicels 1 to 2 lines long; bracts oblong to linear, 1 to 3 lines long; flowers 

 6 to 9 lines long; petals emarginate, denticulate, deep pink, turning violet in age; 

 carpels 8 to 10, favose-reticulate dorsally and laterally, pubescent, beaked. 



Moist or wet meadows, 4000 to 7400 feet : Sierra Nevada from Amador Co. to 

 Tulare Co. ; San Bernardino Mts. July- Aug. 



Locs. — Sierra Nevada : Antelope, Amador Co., Hansen 506 ; Confidence, Tuolumne Co., Jep- 

 son 7706; bet^w. Hog Eanch and Crocker sta., Jepson 4637; Mariposa Big Trees, Bolander 4998; 

 Koontz Place, Mariposa Co., Congdon; Ellis Mdws., Madera Co., E. Brandegee ; Grant Grove, 

 Tulare Co.. T. Brandegee ; Eound Mdw., Giant Forest, Jepson 675; Eound Mt., Tulare Co., Hop- 

 ping 177; Trout Mdw., Little Kern Eiver, Jepson 4906. San Bernardino Mts.: Bluff Lake, 

 Mum 10,572 ; Bear Valley, Abrams 2860. 



Var. ranunculacea Jepson comb. n. Leaves more hairy; inflorescence capitate or inter- 

 ruptedly spicate, elongating after anthesis ; flowers 4 lines long ; carpels shallowly f avose. — ^Wet 

 meadows or stream banks, 6500 to 9000 feet: Tulare and Kern Cos. 



Locs.— Garfield Forest, Jepson 4669 ; Hockett Mdw., W. Fry 427; Toowa Eange, Hall 8362; 

 Greenhorn Mts. (Ann. Mo. Bot. Gard. 18:167). 



Var. nana Jepson var. n. Plants 2% to 31/1 inches high, the leaves in a close basal tuft; 

 spikes 1 or 2-flowered, the flowering stems nearly naked. — (Plantae unc. 2%-3i/4 altae; folia 

 basilaria, congesta; caules subscaposi; spicae 1 vel 2-florae.) — Dry ridges, 4000 to 6000 feet, 

 Yollo BoUy Mts.: Soldiers Eidge, se. Trinity Co., Jepson 14,061 (type) ; Indian Dick ranger sta., 

 se. Trinity Co., Cronemiller 589. 



Eefs. — Sidalcea eeptans Greene, Pitt. 3:159 (1897), type loc. Panther Creek, Amador Co., 

 Hansen (typ. vidi). S. spicata var. reptans Jepson, Man. 630 (1925). S. favosa Congd. Erythea 

 7:183 (1900), type loc. Mariposa Co., Congdon. Var. ranunculacea Jepson. S. ranunculacea 

 Greene, Lflts. 1:75 (1904), type loc. Hocketts Mdw., Tulare Co., at 8600 feet, Culbertson 4318. 

 jS. interrupta Greene, I.e., type loc. "habitat of the last (S. ranunculacea) nearly but at a lower 

 altitude, 8000 feet," Cidbertson 4255. S. spicata var. ranunculacea Eoush, Ann. Mo. Bot. Gard, 

 18:166(1931). Var. nana Jepson, 



7. S. asprella Greene. Pine Checker. Stems several from slender running 

 rootstocks, slender, ascending, leafy, 1 to l^/o feet high; herbage minutely and 

 thinly hispidulose, or the stems glabrous or scurfy below; leaf -blades % to 2 inches 

 wide, cleft, parted or divided into (3 or) 5 or 7 linear, oblong or narrow-cuneate 

 segments, these toothed, cleft or lobed; uppermost leaves with the blades 3 or 

 4-divided or sometimes simple; racemes lax, loose, few to several-flowered, 3 to 7 

 inches long; flowers 7 to 11 lines long; corolla pink; carpels reticulate dorsally, 

 and lightly or obscurely so on sides. 



Mountain slopes in open pine forest, often in red soil, 2500 to 7000 feet : Sierra 

 Nevada from Fresno Co. to Shasta Co. ; Humboldt Co. to Siskiyou Co. May-June. 



