46 MALVACEAE. (MALLOW FAMILY.) 



2. M. sylvestris, L. Hirsute, erect, 2 - 3 high ; leaves sharply ser- 

 rate, 5-7-lubed; flowers long-peduncled, 2' wide, bright purple; carpels 

 Wrinkled. Waste ground. Introduced. June. 



2. CALLIRRHOE, Nutt. 



Involucel 1 -3-leaved and persistent, or none. Petals wedge-shaped, entire, 

 or eremite. Styles as iu Malva. Carpels numerous, with a .short and naked 

 beak, and a ligulate dorsal process below the beak within. Embryo curved. 

 Radicle inferior. Perennial herbs. Leaves palmately lobed, or angled. 

 Flowers showv, purple or whitish. 



1. C. triangulata, Gray. Rough-pubescent; stem ascending from a 

 perpendicular rootstock, branching above ; leaves triangular, coarsely and 

 unequ.-illy crenate. the lowest ones long-petioled and cordate, the upper 3- 

 5-lobed ; flowers approximate, panicled, longer than the pedicels ; iuvolucel 

 3-leaved, the leaves linear; carpels at length 2-valved. Dry soil in the upper 

 districts of Alabama to North Carolina. July. Stem 2 -3 high. Flowers 

 I'-ltj' wide, purple. 



2. C. Papaver, Gray. Rough with scattered appressed and rigid hairs; 

 steins low, simple; leaves 3-5-parted ; the lobes oblong or lanceolate, toothed 

 or entire ; flowers few, solitary, axillary, long-peduncled ; involucel 1 - 3-leaved, 

 or none; petals finely crenate; carpels indehiseeut. Rich open woods, 

 Georgia, Florida, and westward. May -Sept. Stems 1 high. Flowers 

 purple, 2' wide, on peduncles sometimes 1 long. 



3. C. alC36Oid.es, Gray. Strigose-pubescent ; stems slender (1 high); 

 lower leaves triangular-cordate, incised; the upper 5-7-parted, laciniate, the 

 uppermost divided into linear segments; flowers corymbose, on slender pe- 

 duncles (rose-color or white) ; iuvolucel none ; carpels obtusely beaked, crested 

 and strongly wrinkled on the back. Barren oak lands, Tennessee. 



3. MALVASTRUM, Gray. 



Iuvolucel 1 -3-leaved or none. Styles 5-20. Stigmas capitate. Carpels 



beaked or beakless, 1 -seeded. Seed ascending. Embryo curved or annular. 



Radicle inferior. Herbs or shrubby plants, rough with rigid hairs. Flowers 

 yellow. 



1. M. tricuspidatum, Gray. Perennial or shrubby ; stem branching; 

 leaves ovate or oblong-ovate, serrate, acute, petioled ; stipules lanceolate ; 

 flowers in leafy spiked racemes ; petals obliquely truncated; carpels 10-12, 

 more or less distinctly 3-toothed or awned at the apex. South Florida - 

 Stems 1 high. Involucel 3-leaved. 



2. M. angUStum, Gray. Annual; stem erect, branching; leaves 

 lanceolate, sparingly serrate, short-petioled ; stipules bristle-like; flowers axil- 

 lary, mostly solitary; involucel setaceous, 2 -3-leaved; carpels 5, circular, 

 awuless, at length 2-valved. Tennessee, and westward. Stems 6'- 12' high. 

 Calyx enlarged in fruit. 



3. M. Rugelii, Watson. Stems erect, much branched, stellate-hairy; 

 leaves ovate, coarsely serrate, slender-petioled ; flowers axillary, small, sin- 



