50 MALVACF,.i<:. (mallow family.) 



and lioarv lionoatli, rouph aliovo, ]<in<;(>r than tlif potiolcs; involncfl of 5 - fi 

 ovate loaves, wliich arc slipjlilly niiiled at the base ; earj)els olxivate, a\vnles«, 

 stmnRly retieiilate. — South Georgia (Lccon^e). — Stem 4° -5° high. Leaves 

 I' long. Flowers large, pale red. 



2. p. racemosa, Swartz. Shrubby, tomentoae, sparingly branrhed ; 

 leaves petinlcil, lonlate-ovate, acnininatc, sligiitly serrate, .3-nerved ; stipules 

 subulate, deciduous; racemes terminal, leafless, few-flowered; involuccl 8- 



. leaved; petals twice as long as the calyx, convolute, "dull white tinged with 

 vellow"; stigmas sessile, " car])els unarmed." — .Miairii and Key Biscayne 

 (Giirber, C'(//7/.s,s). — Stem 6°-8° high. 



3. P. spinif ex, Willd. Shrubby, hir.sute ; leaves long-petioled, oltlong- 

 ovate or cordate, coarsely serrate ; flowers long-i)eduncled ; involucel 8-leaved, 

 longer than the calyx, shorter than the yellow ctjnjlla ; carjjels armed with 

 three stout retrorsely bearded spines. — Charleston {Rev. Dr. Bach man). 

 Mayport, Florida (Curtiss). Introduced. — Stem 3° -5° high. Corolla 1' 

 wide. 



8. URENA, L. 



Involucel deeply 5-cleft. Calyx 5-parted. Petals oblique. Colunm short ; 

 anthers few, terminal. Stigmas 10, capitate, capsule separating into 5 bristly- 

 barbed 1-seeded carpels. — Branching shrubs. 



1. U. lobata, L. Stem stout, tomentose ; leaves roundish, slightly cor- 

 date, entire or obscurely 3-5-lobed, canescent beneath; flowers small, 

 axillary, and crowded in a terminal raceme ; leaves of the involucel 5-7, 

 subulate ; petals pale rose-color ; carjjels densely bristly. — Waste places. 

 Introduced. 



9. MALACHRA, L. 



Flowers capitate, surrounded by a 3-5-leaved involucre. Leaves of the 

 iuvolucel 8- 12, linear or setaceous. Stigmas 10, capitate. Cap.sule separat- 

 ing into five 1-seeded carpels. — Herbs or shrubs, rough with rigid, often 

 stinging hairs. Flowers white or yellow. 



1 . M. capitata, L. Bristly and tomentose in lines ; stem much branched ; 

 leaves cordate, obscurely lobed and toothed; peduncles single or 2-3 in a 

 cluster, axillary, 7-flowered ; involucre 3-leaved, cordate ; petals twice as 

 long as the calyx, yellow ; capsule glabrous. — Key in Chuckolusky Bay, 

 South Florida (Curtiss). — Stem 3°- .5° high. 



10. KOSTELETZKYA, Presl. (Hibisccs, L. in part.) 



Capsule depressed, the cells 1-seeded. — Otherwi-se as in Hibiscus. 



1. K. Virginica, Presl. Rough-hairy; stem erect, stout, branching; 

 lower leaves ovate, cordate, serrate, mostly 3-lobed, the upper narrower and 

 usuallv entire ; flowers (purple) in terminal racemes. — Var. althea;foi.ia. 

 Densely stellate-pubescent and somewhat hoary ; leaves all undivided, ovate 

 or ovate-lanceolate, acuminate, unequally toothed-serrate ; racemes dense- 

 flowered ; capsule hirsute. — Marshes, near the coast, the var. South Florida 

 July - August. 



