50 MALVACK.E. (mALLUAV 1 AMII.V.) 



])('Is 12-14, liairv, iiiflafcd, tnituiitc, .l-sccdcd, with two lon;^ and Fpronding 

 s[iini's. — Wasti' places cliicflv in flic middle and upper districts. Introduced, (j) 

 — Stem 2° -5° high. Leaves 4' -tJ' wide. Flowers orunge-r<d. 



2. A. Hulseanum, Torr. Stem hispidly pilose ; leaves orbicular-ovate, 

 abruptly acuminate, velvety beneath with a whitish pubescence, roughish-tomcn- 

 tosc above, crenate-dentate ; ]ieduncles axillary in the upper leaves, several- 

 flowered ; styles about 12. — Tampa IJay, Floriiki. — Leaves 3 inches or more 

 in diameter. Flowers 1^' in diameter, purplish ; pedicels very short. 



3. A. Jacquini, Don. Stem erect (2°-3°), branchinfr, smooth or soft- 

 downy ; leaves long-pctiolcd, cordate or oblong-cordate, acuminate, unequally 

 crenate, velvety on both surfaces and hoary beneath, or roughish above ; j)edun- 

 cles solitary in the upper axils, 1-flowered, about the length of the petioles, or the 

 upper ones longer ; lobes of the calyx ovate or oblong, shorter than the yellow 

 petals ; carpels 8-10, rigid, hairy, longer than the calyx, acute or beaked, 3-secded. 

 (A. peraflfinc, Shiitll. Lavatera Americana, L. Sida abutiloides, Jacrj. S. lig- 

 nosa, C<iv ) — Soutli Florida. — Flowers 9"- 12" wide. 



4. A. crispum, Gray. Iloary-tomcntosc ; stem sparingly branched ; 

 leaves round-cordate, acuminate, finely crenate ; peduncles axillary, l-flowcred, 

 elongated, filiform, refracted after flowering ; carpels 10, beakless, inflated, cor- 

 rugated, hispid, 2-sceded. — Key West. — Stem slender, l°-2'> high. Leaves 

 1'- 2' long, the upper ones nearly sessile. Peduncles as long as the leaves. 

 Flowers 4"- 6" wide, white. 



6. MODIOLA, Mccnch. 



Involucel 3-lcavcd, persistent. Stamens 10- 20. Ovaries 14-20, transversely 

 2-ce!led, each cell 1-ovuled. Stigmas cajiitate. Carpels 2-valved, 2-sceded, sep- 

 arating at maturity from each other and from the central axis, each valve tipped 

 with a slender spine. — Prostrate herbs, with palraately divided leaves, and small 

 axillary flowers. 



1. M. multiflda, Mccnch. Hirsute; stems diff'use ; leaves long-petioled, 

 cordate-ovate, more or less deeply 5 - 7-parted ; the divisions lobed and toothed ; 

 peduncles longer than the petioles ; carpels hispid. (Malva Caroliniana, Z,.) — 

 "Waste places, Florida to North Carolina and westw.ard. July - October. Ij. — 

 Stems 1° -2° long. Earliest leaves orbicular, undivided. Petals red, as long 

 as the calyx. 



7. PAVONIA, Cav. 



Involucel .5 - 1 ."j-leaved , persistent. Ovaries .5, 1-celled, 1-ovuled. Stigmas 10, 

 capitate Carpels indehiscent or somewhat 2-valvcd, naked or armed at the 

 apex with three hispid awns, separating at maturity. Embryo incun-cd. Bad- 

 iele inferior. — Chiefly shrubs, with petioled stipulate leaves, and solitary flow- 

 ers on axillary peduncles. 



1. P. Lecontei, Torr. & Gray. Stem much branched, rougbish-pubes- 

 cent ; leaves ovate or somewhat sagittate, obtusely toothed, densely pubescent 



