MALLOW FAMILY 501 



cence often a little leafy below; calyx-lobes triangular-ovate, obtuse or with a very 

 short point; petals rose-pink, unsymmetrical, 5 to 10 lines long; fruit 2 to 21^ lines 

 wide, the carpels smooth, loosely pubescent, promptly dehiscent. 



Dry hill slopes or mesas, 150 to 5000 (or 8000) feet : cismontane Southern Cali- 

 fornia from Santa Barbara Co. to San Diego Co. ; southwestern Colorado Desert. 

 South to Mexico. Apr.-July. 



Locs. — Bishop Eanch, Sisquoe Kiver, Santa Barbara Co., M. S. Baker ; Ojai Valley, Ventura 

 Co., Olive Thacher 24; Azusa, Los Angeles Co., C. F. Baker 1558; San Antonio Canon, San 

 Gabriel Mts., Peirson 114; San Bernardino Mts., s. slope, Parish 7136; Eiverside, Jepson 1220; 

 Mt. San Jacinto, Hall 751; El Toro Peak, Santa Eosa Mts., Hall 765; betw. Bonsall and Pala, 

 Wiggins 3055; Cajon Hills, San Diego Co., G. W. Dunn,; San Diego, C. F. Baker 1626; Carrizo 

 Creek, e. San Diego Co., T. Brandegee. 



Var. laxiflora Jepson. Inflorescence elongated or tending to be racemose, thus becoming 

 more or less open and paniculate. — Santa Barbara Co. to western Eiverside Co. 



Locs. — Montecito, Santa Barbara, Eastwood 198 ; Santa Catalina Isl., K. Brandegee (calyx 

 pubescence of longer hairs, panicles very floriferous, thus intermediate towards var. nesiotica) ; 

 Los Angeles, Davidson; Azusa, Abranis 1558; San Bernardino, Parish 3804; Corona, Mum 9865. 



Var. jonesii Jepson comb. u. Sweet Mallow. Stems slender; leaf-blades suborbicular, 

 scarcely or not at all lobed, crenate-dentate, equally hoary on both sides (the veins not promi- 

 nent), smaU (% to 1 inch long) ; flowers 1 to 3 in the upper axils. — Dry hills, Santa Lucia Mts.: 

 above Nacimiento Eiver, Brewer 554. Foliage fragrant. 



Var. nuttalUi Jepson comb. n. Leaves equally hoary on both sides ; flo,wer-clusters panicu- 

 late.^ — Hill slopes and canons, 500 to 1200 feet: Santa Yuez Eiver, K. Brandegee; Santa Ynez 

 Mts., Elmer 3730; coastal Ventura Co. 



Var. elmeri Jepson var. n. Similar to var. laxiflora; leaf -blades mostly suborbicular, 

 crenately 3 to 5-lobed, the margins crenate; flower-clusters racemose. — (Var. laxiflorae similis; 

 folia plerumque suborbiculata, 3-5-crenato-lobata, marginibus crenatis; flores racemosi.) — Stony 

 slopes, 900 to 1200 feet: Mt. Diablo (Elmer 4395, type); Mt. Hamilton Eange (Pacheco Pass, 

 Bolander 4:839) . 



Var. nesiotica Jepson comb. n. Similar to var. laxiflora ; leaves glabrate above, very closely 

 and minutely stellate-pubescent beneath ; leaf -blades pentagonal to roundish-ovate, shallowly 3 

 to 5-lobed, crenulate, green and subglabrous above, prominently veined beneath, 1 to 3 inches 

 long; flowers in a fastigiate nearly leafless panicle, its branches many, ascending. — Santa Cruz 

 Isl., Mason 4089. 



Eefs. — Sphaeralcea fasciculata Arthur, Torreya 21:11 (1921) ; Jepson, Man. 634 (1925). 

 Malva fasciculata Nutt.; T. & G. Fl. 1:225 (1838), type loc. "Santa Barbara" (more probably 

 San Diego), Nuttall. Malvastrum fasciculatum Greene, Fl. Fr. 108 (1891) ; Jepson, Fl. W. Mid. 

 Cal. 242 (1901), ed. 2, 261 (1911). Malveopsis fasciculata Ktze. Eev. Gen. PI. 1:72 (1891). 

 Malacothamnus fasciculatus Greene, Lflts. 1:208 (1906). Malvastrum fasciculatum var. typicum, 

 Estes, Bull. S. Cal. Acad. 24:83 (1925). M. thurberi Gray, Mem. Am. Acad. ser. 2, 5:307 (1854), 

 type loc. Santa Cruz, Sonora, Mex., Thurber. Var. laxiflora Jepson, Man. 634 (1925). Mal- 

 vastrum thurberi var. laxiflorum Gray, Proc. Am. Acad. 22:291 (1887). M. splendidum Kell. 

 Proc. Cal. Acad. 1 :65 (1855), type loc. Los Angeles, Win. A. Wallace. Malveopsis splendida Ktze. 

 Eev. Gen. PI. 1:72 (1891). Malvastrum fasciculattim Dav. List PI. Los Angeles Co. 3 (1892) ; 

 not M. fasciculatum Greene (1891). Malacothamnus fasciculatus splendidus Abrams, Bull. N. Y. 

 Bot. Gard. 6:417 (1910). Malvastrum fasciculatum var. laxiflorum M. & J. Bull. Torr. Club 

 51:296 (1924). Var. jonesii Jepson. Malvastrum jonesii Munz, Bull. S. Cal. Acad. 24:88 

 (1925), type loc. Paso Eobles, San Luis Obispo Co., Jones 223. Var. nuttallii Jepson. Mala- 

 cothamnus nuttallii Abrams, Bull. N. Y. Bot. Gard. 6:417 (1910), type loc. Casitas Pass, Ven- 

 tura Co., Abrams. Malvastrum nuttallii Dav. & Mox. Fl. S. Cal. 233 (1923). Var. elmeri Jepson. 

 Var. nesiotica Jepson. Malvastrum nesioticum Eob. ; Gray, Syn. Fl. 1^:312 (1897), type loc. 

 Santa Cruz Isl., 1886, Greene. M. thurberi Bdg. Zoe 1:133 (1890) ; not M. thurberi Gray (1854). 

 M. thurberi var. laxiflorum Gray, Proc. Am. Acad. 22:291 (1887), in small part; Greene, Bull. 

 Cal. Acad. 2:392 (1887). Malacothamnus nesioticus Abrams, Bull. N. Y. Bot. Gard. 6:419 

 (1910). Sphaeralcea nesiotica Jepson, Man. 634 (1925). 



12. S. orcuttii Rose. Carrizo Mallow. Stems erect, 1 or several from the 

 base, 11/4 to 3 feet high; herbage thinly stellate-puberulent or canescent; leaf- 

 blades % to 2 inches long, ovate in outline, truncatish at base, the lateral angles 

 toward the base commonly enlarged so that the blade is somewhat 3-lobed with 

 flowing outline, the margin entire or crenulate; flowers in short racemes in the 

 upper axils, the upper leaves mostly reduced and bracteate, the inflorescence thus 

 interruptedly spicate; calyx 2 to 3 lines long; corolla bright terra-cotta or red, 3 

 to 4 lines long; carpels 1 line long, reniform in outline from the strong recurving 



