86 MALVACEAE 



rayed stellate and scattered simple hairs. Leaves cordate-orbicular to cordate-ovate in outline, 

 10-20 cm. long, thin, bright green, deeply 5-7-lobed, the lobes triangular-ovate, acute, coarsely den- 

 tate with broad rounded teeth ; flowers in loose axillary clusters to paniculately racemose ; involu- 

 cellate bracts linear-setaceous 4-6 mm. long, one-half to two-thirds as long as the calyx ; calyx 6-8 

 mm. long, finely stellate-puberulent ; calyx-lobes broadly triangular-ovate, rounded, abruptly 

 acute; petals obovate, deeply emarginate, 2-2.5 cm. long, rose or white; fruit 8-10 mm. high; 

 carpels ovate-elliptical, acutish at the apex, densely pubescent with stellate and coarse simple 

 bristles dorsally, 3-4-seeded; seeds reniform-orbicular, minutely puberulent. 



Along banks of streams, Upper Sonoran and Arid Transition Zones; British Columbia to Montana, Utah, 

 Colorado, and northern New Mexico. Type locality: "North- West America, from the ocean to the Rocky 

 Mountains." June-Aug. 



2. Iliamna longisepala (Torr.) Wiggins. Chelan Globe-mallow. Fig. 3165. 



Sphaeralcea longisepala Torr. Bot. Wilkes Exp. 255. 1874. 

 Phymosia longisepala Rydb. Bull. Torrey Club 40: 61. 1913. 

 Iliamna longisepala Wiggins, Contr. Dudley Herb. 1 : 227. 1936. 



Erect paniculately branching perennial 1-2 m. high, sparsely pubescent throughout with 

 simple, forked, and few-rayed stellate hairs. Leaves cordate-orbicular to truncate-pentagonal in 

 outline, 6-10 cm. long, about as wide, 5-lobed, the lobes acutely triangular to rounded-ovate, 

 coarsely dentate ; stipules 6-8 mm. long, subulate-lanceolate, caducous ; inflorescence paniculately 

 branched, lax; involucellate bracts linear, 5-8 mm. long; calyx 15-20 mm. high, hirsute with 

 few-rayed hairs 1-2 mm. long, the lobes lanceolate, acuminate-attenuate; petals rose-pink, 2-2.5 

 cm. long ; fruit truncate-globose, 6-8 mm. high ; carpels ovate-elliptic, 2-3-seeded, densely hirsute- 

 bristly on the back ; seeds reniform, dark brown, glabrous. 



Mountain slopes, Upper Sonoran and Arid Transition Zones; Chelan and Kittitas Counties, Washington. 

 Type locality: Upper Columbia. July-Aug. 



3. Iliamna latibracteata Wiggins. California Globe-mallow. Fig. 3166. 



Iliamna latibracteata Wiggins, Contr. Dudley Herb. 1 : 225. pi. 20. 1936. 

 Sphaeralcea riviilaris var. cismontana Jepson, Fl. Calif. 2: 504. 1936. 



Perennial shrub 1-2 m. high, stellate-pubescent throughout. Leaves palmately 5-7-lobed, 8-20 

 cm. long, the lobes broadest about the middle, serrate or irregularly dentate; petioles 5-10 cm. 

 long; stipules subulate, 6-10 mm. long, deciduous; involucellate bractlets broadly elliptic-lan- 

 ceolate to broadly ovate, acute to short-acuminate, 10-14 mm. long, equaling or surpassing the 

 calyx-lobes ; calyx-lobes triangular-ovate, 5-8 mm. broad, 8-10 mm. long, broadly rounded and 

 abruptly short-acuminate; petals 2.5-3 cm. long, rose-purple; fruit subglobose, 8-10 mm. high, 

 10-15 mm. broad; carpels 10-14, glabrous laterally, densely hirsute dorsally; seeds 2 mm. high, 

 puberulent. 



Creek banks and moist ground, Humid Transition Zone; Coos and Douglas Counties, Oregon, to northern 

 Humboldt County, California. Type locality: Prairie Creek, California. June-Aug. 



4. Iliamna Bakeri (Jepson) Wiggins. Baker's Globe-mallow. Fig. 3167. 



Sphaeralcea Bakeri Jepson, Man. Fl. PI. Calif. 635. 1925. 

 Iliamna Bakeri Wiggins, Contr. Dudley Herb. 1 : 228. 1936. 



Herbaceous perennial 3-7 dm. high, several erect stems from a woody rootstock, more or less 

 stellate-pubescent throughout. Leaves suborbicular to cuneate-obovate, the lower more or less 

 truncate at the base, crenately 3-lobed and irregularly serrate, 1.5-3 cm. long, finely and closely 

 stellate-puberulent; flowers solitary or in 2-3-flowered axillary clusters; peduncles 5-15 mm. 

 long, stout; bracts linear, about 8 mm. long; calyx 9-12 mm. high, the lobes round-ovate, 

 abruptly acute to short-acuminate, 4-6 mm. high at anthesis, densely stellate-pubescent; petals 

 rose-pink, 15-20 mm. long; fruit depressed-globose, about 8-10 mm. high, 10-15 mm. wide; 

 carpels smooth on the sides, closely stellate-pubescent and densely hirsute dorsally; seeds 3-4 

 in each carpel, reniform, about 2 mm. long, dark brown, finely stellate-puberulent. 



Rocky slopes and chaparral, Arid Transition Zone; southern border of Klamath County, Oregon, and 

 Siskiyou, Modoc, and Shasta Counties, California. Type locality: Fall River Valley, California. July-Aug. 



5. SPHAERALCEA St. Hil. Fl. Bras. Merid. 1 : 209. 1825. 



Annual or perennial herbs, usually suffrutescent at the base, stellate-pubescent through- 

 out. Leaves alternate, of various outlines. Flowers in axillary clusters or in terminal 

 panicles, racemes or sometimes corymbs. Calyx 5-cleft. Involucellate bractlets 3. Petals 

 5, white, rose, orange or rose-purple. Stamineal column slender, antheriferous at the sum- 

 mit. Fruit spherical or subspherical. Carpels 5-20, 1-3-ovulate, 1-3-seeded, upper ovules 

 pendulous, often abortive. Carpels with an empty apical portion that is smooth laterally 

 and dehiscent at maturity, and a seminiferous, indehiscent, laterally reticulate lower por- 

 tion. Seeds reniform, smooth or hispidulous, dark brown to black. Embryos curved, co- 

 tyledons conduplicate at the apices. [Name Greek, alluding to the spherical fruit.] 



A genus of about SO species in the drier parts of North and South America, South Africa, Caledonia, and 

 Australia. Type species, Sphaeralcea cisplatina St. Hil. 



