84 



MALVACEAE. Sidukea. 



In meadows, more widely diffused than any other species, ranging from Oregon to Northern 

 Mexico, and eastward to Colorado. It varies uuuh in the si/o of all its parts ; calyx 1 to 3 lines 

 long ; the petals from half an inch to an inch long, or sonielinics but little exceeding the calyx. 

 a, Uregana is u stout and biimching northern form. 



2. S. huinillB, (imy, Mimli rcsoinliliuK tlio lu«i, l)iit uyiuiUy lower ami often 

 decumbeuL uL base, wiLli snmller luiivea, und eomuwliuL luoro liuiry : llowcra lower 

 and more genei-ally scattered in the racemes : calyx larger, 3 to G lines long, with 

 acuminate lobes : carpels reticulated and somewhat pubescent. — PI. Fendl. 20. 

 Sida delphinifoiia & Calif oi-nica, Nutt. in Torr. & Gray, Fl. i. 233 and 235. 



Throughout California in meadows and on hillsides. 



* * Annuals. 



3. S. Hartwegi, Gray. Slender, 1 or 2 feet high, more or less hispitlly pubes- 

 cent, especially the pedicels and calyx : leaves orbicular, the lowest deeply cleft, the 

 upper digitately 5 - 9-parted ; segments linear, entire, acute, usually exceeding the 

 petioles: bnictlots linear, persistent: flowers nearly sessile, in a short terminal spike: 

 calyx 3 to G lines long, the lobes acuminate : petals ^ to 1 inch long, broad and 

 emarginate : carpels strongly reticulated, shortly cresteii, hispid above on the inner 

 side. — PL Fendl. 20; Benth. PI. Ilartw. 300, >S'. delphun/olia, Gray, 1. c. 19, 

 & Gen. 111. ii. 58, t. 120, tig. 10-12. S. hirsuta, Gray, PI. Wright, i. 16; the 

 larger and more hairy form. 



In the valleys of the Sacramento basin. The species was foinided ou a reduced few-flowered 

 sparingly hispid state. 



4. S. diploscypha, Gray. Pubescent with long spreading hairs, 1 or 2 feet 

 high : leaves deeply 5 - 9-cloft with lobed segments, the uppermost often digitately 

 parted; stipules parted: bractlets conspic\ious, 6 -7-parted, hispid : tiowers nearly 

 sessile in close 3 - 5-ttowerod clusters : ctdyx-lobes acuminate : petals h to 1 inch long, 

 broad and emarginate : tilaments of the outer stamens united into 5 broad mem- 

 branaceous overlapping lobes, usually enclosing the inner anthers: carpels glabrous 

 much depressed, transversely rugose, longitudinally sidcate above. — PI. Fendl. 19. 



Common in grass-fields and by roadsides through Central California. 



5. S. malachroides, Gray. Stout, hirsute, 3 to 6 feet high, tufted : leaves 

 cordate, 2 to 5 iiiclies broad, 3 - 7-angleil witli acutely toothed lobes : bractlets sub- 

 ulate, caducous : flowers small, white or purplish, nearly sessile in close teiminal 

 heads on the short leafy branches : calyx-lobes acute : petals narrowly obcordate : 

 sets of stamens indistinct : carpels smooth and glabrous, with a narrow more or 

 less distinct ridge down the back. — Proc. Am. Acad. vii. 332. Malva malachro- 

 ides, Hook. & Am. Bot. Beecliey, 326. S. vitifolia. Gray, 1. c., is a less hispid 

 form. 



From Mendocino County to Santa Cruz. 



4. MALVASTRUM, Gray. 



Bractlets 1 to 3, or none. Stamineal ttibe simple, antheriferous at the summit. 

 Styles filiform : stigmas capitate. Carpels 5 or more, 1-ovuled, separating kum the 

 axis, often dehiscent, sometimes 2-valved. Seed ascending. — Herbaceous tufted 

 perennials, or shrubby ; the flowers in narrow nakeil or leafy subpaniculate iiiccnjes. 

 Distinguished from Sphoiralcea only by the solitary ovules. 



Species about 60, North and South American and S. African. 

 * Perennials. 



1. M. Munroanum, Gray. Ikanching from the base, 1 or 2 feet high, grayish 

 or hoary-pubescent: leaves broadly ovate, usually cordate at base, 3 - 5dobed or 

 deeply cleft, crenately or acutely toothed, 1 or 2 inches long, equalling or exceeding 



