MALVACEiE. (mALLOAV FAMILY.) 53 



• Carpels 1 -seeded. 

 -^ Stigmas occupying the inner face of the styles. 



1. MALVA. Carpels beakless. No process within. 



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



t- -t- Stigmas capitate. 



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



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



* ♦ Carpels 2 - few-seeded. * 



6. ABUTILON'. Carpels 1-celled. Involucel none. 



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



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

 Anthers borne above the middle of the coliunn. 



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



Tribb in. XIIBISCEJE:. — 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. KOSTELETZKTA. Cells of the depressed capsule 1-seeded. 



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



1. MALVA, L. Mallow. 



Involucel 3-lcavcrl, 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 whicli 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 pm-ple ; carpels even. — Around dwellings. Introduced. IJ.. 



2. CALLIRRHOE, Nutt. 



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

 or crenr.te. Styles as in Malva. Carpels numerous, with a short and naked 

 beak, and a ligulate dorsal process below the beak within. Embryo cun-cd. 

 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-lobcd ; 

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

 leaves linear; carpels at length 2-valved. (Malva triangulata, Zecu'enji-ortA.) — 

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

 July. — Stem 2° - 3° high. Flowers 1 ' - 1^' wide, pui-ple. 



2. C. Papaver, Cray. 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-pednncled ; involucel 1 -3-leaved, 

 or none; petals finely crenate ; carpels indehiscent. — Rich open woods. Georgia, 



5* 



