MALVACEAE. (MALLOW FAMILY.) 53 



* Carpels 1 -seeded. 

 *- Stigmas occupying the iuner face of the styles. 



1. MALVA. Carpels beakless. No process within. 



2. CALLlRRUOii. Carpels beaked, and bearing a dorsal process above the seed within. 



4- ■>- Stigmas capitate. 



3. MALVASTRTJM. Involucel 2 - 3-leaved. Ovule peritropous-ascending. Radicle inferior. 



4. SIDA. Involucel none. Ovule resupinate-pendulous. Radicle superior. 



* * Carpels 2 - few-seeded. 



5. ABCTILON. Carpels 1-celled. Involucel none. 



G. MODIOLA. Carpels transversely 2-celled. Involucel 3-leaved. 



Tribe. II. URENEjE. — Carpels half as many as the stigmas, separating at maturity. 

 Anthers borne above the middle of the column. 



7. PAVOXIA. Carpels 5, dry, 1-seeded. Involucel 5 - 15-leaved. 



Tribe III. IIIBISCE.E. — Carpels as many as the stigmas, united and forming at ma- 

 turity a loculicidal capsule. Column bearing the anthers throughout, or from above the 

 middle. 



8. KOSTKLETZKTA. Cells of the depressed capsule 1-seeded. 



9. HIBISCUS. Cells of the globose or oblong capsule few - many -seeded. 



1. MALVA, L. Mallow. 



Involucel 3-leaved, persistent. Petals obcordate. Styles 9 - 20, filiform, stig- 

 matic on the inner face. Carpels broadly reniform, beakless, 1-seeded, indehis- 

 cent, disposed in a circle around the central axis, from which they separate at 

 maturity. Embryo nearly annular. Radicle inferior. — Herbs. Leaves round- 

 ed. Flowers axillary, not yellow. 



1. M. rotundifolia, L. Stems several, prostrate; leaves long-petioled, 

 round-cordate, crenate and crenately-lobed ; flowers single or clustered, white 

 veined with purple ; carpels even. — Around dwellings. Introduced. 1J.. 



2. CALLIRRHOE, Nutt. 



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

 or crenate. Styles as in 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. Flow- 

 ers showy, purple or whitish. 



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

 perpendicular rhizoma, branching above; leaves triangular, coarsely and une- 

 qually crenate, the lowest ones long-petioled and cordate, the upper 3 - 5-lobed ; 

 flowers approximate, paniclcd, longer than the pedicels ; involucel 3-leaved, the 

 leaves linear ; carpels at length 2-valved. (Malva triangulata, Leavenworth.) — 

 Dry soil in the upper districts.of Alabama to North Carolina and northwestward. 

 July. — Stem 2° -3° high. Flowers 1' - 1£' wide, purple. 



2. C. Papaver, Gray. Rough with scattered appressed and 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 indehiscent. — Rich open woods. Georgia, 



5* 



