MALVACEAE. 229 



lobes 5. Petals 5, often showy. Stamlnal tube simple, 

 antheriferous at the summit. Styles filiform; stigmas 

 capitate. Carpels 5 or more, 1-ovuled, rarely 2-valved. 

 Seed ascending. 



Annual. _ I. M. exile. 



Shrubby perennials. 



Upper surface of leaves hoary with a dense 

 stellate-tomentum. 

 Leaves 2-3 cm. broad, not rugose; calyx- 

 lobes lanceolate-acuminate. 2. M. orhiculatum. 

 Leaves 6-8 cm. broad, rugose; calyx- 

 lobes triangular. 3. M. davidsonii. 

 Upper surface of leaves green with a sparse 



short stellate-pubescence. 4. M. fasciculatum. 



1. M. exile Gray. Stems decumbent, branching from the base, 

 2-4 dm. long, pubescent; leaves 12-18 mm. broad, broadly ovate, 

 cordate or truncate at base, deeply 5-lobed, sparingly toothed, on 

 slender petioles of about the same length; flowers mostly solitary 

 and axillary on slender pedicels, 2-3 cm. long; bractlets 3, linear, 

 persistent; calyx-lobes lanceolate, acuminate; petals obovate, purple, 

 4-6 mm. long; carpels 12-15, orbicular, glabrous, transversely rugose- 

 reticulated. 



Chatsworth Park. 



2. M. orbiculatum Greene. Shrubby below, 1-2.5 m. high, 

 densely soft-tomentose with long-rayed stellular pubescence; leaves 

 roundish, shallowly or scarcely at all cordate, crenate-toothed, 

 2-3 cm. broad; flowers in axillary sessile or short pedunculate 

 clusters, interrupted spicate; bractlets about equaling the calyx- 

 lobes; calyx-tube completely hidden by the dense lanate tomentum, 

 lobes lanceolate acuminate, 4-5 mm, long, mucronate with a more 

 naked tip; petals rose color, about 1 cm. long. 



In the San Gabriel and San Bernardino Mountains. 



3. M. davidsonii Robinson. Tall shrub or arborescent, 2-4 m. 

 high, densely stellate-tomentose throughout; bractlets stout; leaves 

 deeply cordate, with narrow sinus, 5-angled or shallowly 5-lobed, 

 varying to 3-lobed, irregularly crenate-dentate, 5-7.5 cm. broad; 

 inflorescence a dense racemose panicle; bractlets much shorter than 

 the calyx-lobes; calyx canescent-tomentose without more naked 

 mucronate tips, faintly 1 -nerved or enervose; petals rose-purple, 

 1.5-2 cm. long; carpels stellate-tomentose above. 



San Fernando Valley and La Canada, in washes. 



4. M. fasciculatum (Nutt.) Greene. Tall shrub or somewhat 

 arborescent, 2-4 m. high, with wand-like branches, covered with 

 a dense short stellate-tomentum; leaves angular, 5-lobed and rather 

 coarsely toothed, densely stellate-pubescent beneath, sparsely so 

 above, 3-5 cm. broad; inflorescence racemose, or amply racemose- 

 paniculate; bractlets much shorter than the calyx-lobes, these 

 triangular, as broad as long, acute; petals rose-purple, 2-2.5 cm. 

 long. {M. thurberi Gray; M. splendidum Kell.) 



Common in the lower altitudes of the chaparral belt. 



