MALVACEAE. (MALLOW FAMILY.) 53 



* Carpels 1 -seeded. 

 - Stigmas occupying the inner face of the styles. 



1. MALVA. Carpels beakless. No process within. 



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



t- -i- Stigmas capitate. 



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



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



* * Carpels 2 -few-seeded. 



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



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



TRIBE. II. TJRENE-^E. Carpels half as many as the stigmas, separating at maturity. 

 Anthers borne above the middle of the column. 



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



TRIBE III. IIIBISCEJE. 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. KOSTELETZKYA. 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 reniforra, 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-pctioled, 

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

 veined with purple ; carpels even. Around dwellings. Introduced. Ij. . 



2. CALLIRRHOE, Nutt. 



Involucel 1 - 3-lcaved 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 palmatcly-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, 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* 



