56 MALVACE^. (MALLOW FAMILY.) 



pels 12-14, hairy, inflated, truncate, 3-seeded, with two long and spreading 

 spines. Waste places chiefly in the middle and upper districts. Introduced. (1) 

 Stem 2 - 5 high. Leaves 4' -6' wide. Flowers orange-red.. 



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

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

 tose above, crenate-dentate ; peduncles axillary in the upper leaves, several- 

 flowered ; styles about 12. Tampa Bay, Florida. Leaves 3 inches or more 

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



3. A. Jacquini, Don. Stem erect (2 * 3), branching, smooth or soft- 

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

 crenate, velvety on both surfaces and hoary beneath, or roughish above ; pedun- 

 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-seeded. 

 (A. peraffine, Shuttl. Lavatera Americana, L. Sida abutiloides, Jacq. S. lig- 

 nosa, Cay.) South Florida. Flowers 9"- 12" wide. 



4. A. crispum, Gray. Hoary-tomentose ; stem sparingly branched ; 

 leaves round-cordate, acuminate, finely crenate ; peduncles axillary, 1-flowered, 

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

 rugated, hispid, 2-seeded. 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, Mcench. 



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

 2-celled, each cell 1-ovuled. Stigmas capitate. Carpels 2-valved, 2-seeded, sep- 

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

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

 axillary flowers. 



1. M. multiflda, Mcench. Hirsute; stems diffuse; 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, L.) 

 Waste places, Florida to North Carolina and westward. July - October. 1|. 

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

 as the calyx. 



7. PAVONIA, Cav. 



Involucel 5 - 15-leaved, persistent. Ovaries 5, 1-celled, 1-ovuled. Stigmas 10, 

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

 apex with three hispid awns, separating at maturity. Embryo incurved. Rad- 

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

 ers on axillary peduncles. 



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

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



