Sweating-weed. 



Vol.. II.] MALLOW FAMILY. 425 



2. Hibiscus lasiocarpus Cav. Hairy- 

 fruited Rose- Mallow. (Fig. 2435.) 



Hibiscus lasiocarpus Cav. Diss. 3: 159. pi. 70. f. i. 

 1787. 



Resembles the preceding species. Leaves 

 broadly ovate, dentate or 3-y-lobed, mostly cor- 

 date or truncate at the base; pubescence of the 

 lower surface white and densely stellate, that of 

 the upper surface darker, with longer soft nearly 

 simple hairs; bractlets of the involucels linear, 

 equalling the calyx or shorter, ciliate; capsule 

 ovoid, densely and finely hairy; seeds nearly 

 glabrous. 



In swamps, southern Indiana to Missouri, south to 

 Florida and Texas. Aug. 



3. Hibiscus militaris Cav. Halberd-leaved Rose-Mallow. 



(Fig. 2436.) 



Hibiscus militaris Cav. Diss. 3: 352. pi. 198. f. 2. 1787. 

 Hibiscus Virginicus Walt. Fl. Car. 177. 1788. Not 

 L. 1753- 



Erect, 3-5 high, nearly glabrous throughout. 

 Leaves 4 / -5 / long, ovate in outline, acute, or acum- 

 inate, cordate or truncate at the base, the lower, or 

 sometimes all, hastately lobed, the margins dentate- 

 crenate; petioles i'-6' long ; flowers pink with a 

 darker eye, 2 / ~3 / long, axillary or clustered at the 

 ends of the stem or branches; peduncles shorter 

 than the petioles and jointed above the middle; 

 bractlets of the involucels linear, slightly shorter 

 than the calyx, glabrous, or with a few scattered 

 hairs; fruiting calyx inflated; capsule ovoid, en- 

 closed by the calyx, glabrous, or in some southern 

 forms finely stellate-pubescent; seeds silky. 



Along rivers, southern Pennsylvania to Florida, west 

 to Minnesota and Louisiana. Aug.-Sept. 



4. Hibiscus Trionum L. Bladder Ketmia. Flower-of-an-Hour. Venice 



Mallow. (Fig. 2437. ) 



Hibiscus Trionum L. Sp. PI. 697. 1753. 



Annual, depressed and branching from the base, 

 pubescent with spreading hairs. Leaves petioled, 

 ovate or orbicular in outline, pedately 3~7-lobed or 

 divided, the lobes obtuse, dentate-crenate or cleft, 

 the middle one longer; flowers pale yellow with a 

 purple eye, I'-aJ^' broad, axillary to the upper 

 leaves, each one remaining open but a few hours; 

 petals tinged with purple on the outer edge; bracts 

 linear, ciliate, much shorter than the membranous 

 beautifully nerved hispid-pubescent 5-angled in- 

 flated calyx; capsule globose- ovoid, hairy; seeds 

 roughened with short processes. 



In waste places, Nova Scotia to Florida, and locally 

 in the interior. Adventive from southern Europe. 

 Aug.-Sept. Called also Black-eyed Susan. 



