MALVACE.E. 65 



* Annuals. 



1. S. diploscypha, Gray. Erect, 12 ft. high, paniculately branch- 

 ing, pilose-hirsute with long spreading hairs: leaves long-petioled, 

 rounded, the radical deeply crenate; cauline 7-parted with 2 3-cleft 

 oblong segments: inflorescence umbellate, the umbels many, at the ends of 

 the branchlets, 35 flowered: fruiting calyx % in. long, deeply cleft, the 

 segments lanceolate, acuminate: corolla 1 in. long, pale rose-color: 

 achenes cochleale and nearly orbicular, scarcely a line in diameter, reticu- 

 late-rugulose on the back. Mt. Diablo Kange, both in the hills and 

 upon the plains adjacent. March May. 



2. S. secundiflora, Greene. Pubescence and foliage as in the last, 

 but plant less branching: fl. in terminal rather lax spicate racemes: 

 petals oblique, purple, often with a very dark spot at base: achenes 

 nearly 2 lines long, semiobcordate, strongly favose-reticulate. Less com- 

 mon than the last; often associated with it. 



3. S. calycosa, Jones. Stout, rather widely branching, 2 ft. high, 

 glabrous below, sparingly hirsute above: inflorescence loosely spicate: 

 calyx-lobes ovate -lanceolate, abruptly acuminate; corolla 1 in. long, deep 

 or pale purple: achenes more or less perfectly sulcate on the back, by 

 obliteration of the usual transverse ridges. In Marin Co. 



4. S. hirsuta, Gray. Stout, erect, simple or almost fastigiately 

 much branched, 24 ft. high; the rather densely spicale inflorescence 

 and the growing parts densely hirsute: lower leaves round-cordate, slightly 

 crenate-lobed; cauline completely divided into 7 9 narrowly linear 

 entire segments of leaflets : calyx ^ in. long, the lobes deep, acuminate : 

 corolla rose-purple, 1 in. long: achenes rugose-reticulate, tipped with a 

 long rather soft but hispid erect beak. Coast range hills northward. 



* * Perennials. 



5. S. humilis, Gray. Stems clustered from a tuberous- enlarged 

 root, simple, decumbent, virgate-racemose, ] 2 ft. long : herbage from 

 hirsute to nearly glabrous: radical leaves rounded, crenate-incised : 

 corolla rose-purple, 1 in. long or less, broad-f unnelf orm : achenes almost 

 orbicular, rugose-reticulate. Very common in open hilly places. 



6. S. Oregana (Nutt.), Gray. Stems solitary or few from the root, 

 26 ft. high, naked and paniculately branched above, leafy below; 

 inflorescence stellate-lomentose, peduncles and lower part of stem spar- 

 ingly hirsute, the plant otherwise glabrous : lower leaves orbicular, 7 

 9-lobed, the cuneate-obovate lobes 3-cleft at summit; upper 7 9-parted, 

 narrowly and deeply cleft : spicate racemes usually dense but elongated : 

 calyx-lobes broadly ovate, acute, not longer than the tube: corolla % 1 

 in. long: achenes small, straight (semiorbicular), slightly beaked, smooth 

 and glabrous, 1 line long. Moist mountain meadows, in Sonoma Co. 



