MALVACEJE. (MALLOW FAMILY.) 53 
* Carpels 1-seeded. 
+ Stigmas occupying the inner face of the styles. 
1. MALVA. Carpels beakless. No process within. 
2. CALLIRRHOE. Carpels beaked, and bearing a dorsal process above the seed within. 
+ + Stigmas capitate. 
8 MALVASTRUM. Involucel 2- S-leaved. Ovule peritropous-ascending. Radicle inferior. 
4. SIDA. Involucel none. Ovule pinate-pendulous. Radicle superior. 
* * Carpels 2- few-seeded. 
5. ABUTILON. Carpels l-celled. Involucel none. 
6. MODIOLA. Carpels transversely 2-celled. Involucel 3-leaved. 
Tumr. IL URENEZE. — Carpels half as many as the stigmas, separating at maturity. 
Anthers borne above the middle of the column. 
7. PAVONIA. Carpels 5, dry, l-seeded. Involucel 5- 15-leaved. 
Tame IT. HIBISCEJE. — 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. 
1l. MALVA, L. Marrow. 
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. Y. 
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 pn Flow- 
ers showy, purple or whitish. is 
l. C. triangulata, Gray. Rough-pubescent ; stem. ascending ys a 
perpendicular rhizoma, branching above; leaves triangular, eoarsely and une- 
qually crenate, the lowest ones Ióny paddw and cordate, the upper 3-5-lobed; - 
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 29 - 39 high. Flowers -1j wide, purple. — v 
2. C. Papaver, Gray. Rough with scatterer appressed and rig 
naty low, — leaves 3- vyera; MN iong or lani 
