46 :malva(K.k. (mam.ow family.) 



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

 rate, 5-7-lube(l; Howera lonp-pedunoled, 2' wide, hrigiit |)iirj»le; carpela 

 wrinkled. — Wa.ste ground. Introduceil. dune. 



2. CALLIRRHOE, Nutt. 



luvuhuel 1 -3-leaved and jjurrii.stent, or uone. I'etals wedge-shaped, entire, 

 or ereuate. Styles a» iu Malva. Carpels uumerous, with a short and uaked 

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

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

 Flowers showy, ])nr])le or whitish. 



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

 perpendicular rootstock, branching above; leaves triangular, coarsely aud 

 uuequnlly crenate. the lowest ones long-petioled aud cordate, the upper 3- 

 5-lubed ; flowers approximate, panicled, longer than the pedicels ; involucel 

 3-leaved, the leaves linear; carpels at lengtli 2-valved. — Dry soil iu the u])|)er 

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

 \'-\y wide, ])urple. 



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

 stems 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 iudehiscent. — Rich open woods, 

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

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



3. C. alcseoides, Gray. Strigose-pubescent ; stems slender (l°high); 

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

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

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

 aud strongly wrinkled on the back. — Barren oak lands, Tennessee. 



3. MALVASTRUM, Gray. 



Involucel 1 - 3-leaved or none. Styles a - 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 ohloiig-ovate, serrate, acute, petioled ; stipules lanceolate; 

 flowers iu 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 setaceou.s, 2 - 3-leaved ; carpels 5, circular, 

 awnless, 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- 



