GENUS ii. 



MALLOW FAMILY. 



4. Hibiscus lasiocarpus Cav. Hairy- fruited 

 Rose-Mallow. Fig. 2872. 



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



1787- 



Resembles the three preceding species. Leaves 

 broadly ovate, dentate or 3-7-lobed, mostly cordate 

 or truncate at the base ; pubescence of the lower 

 surface white and densely stellate, the upper surface 

 darker, with longer soft mostly 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. 



5. Hibiscus militaris Cav. Halberd-leaved Rose-Mallow. Sweating-weed. 



Fig. 2873. 



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



Hibiscus rirginicus Walt. Fl. Car. 177. 1788. Not L. 

 1/53- 



Erect, 3-5 high, nearly glabrous throughout. 

 Leaves 4'-5' long, ovate in outline, acute or acumi- 

 nate, 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'-$' 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 very nearly so; 

 seeds silky. 



Along rivers, southern Pennsylvania to Florida, west 

 to Minnesota, Nebraska and Louisiana. Aug.-Sept. 



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

 Mallow. Modesty. Fig. 2874. 



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, '\'-2.\' 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 beauti- 

 fully nerved hispid-pubescent 5-angled inflated calyx ; 

 capsule globose-ovoid, hairy; seeds roughened with 

 short processes. 



In waste places, Nova Scotia to Florida, South Da- 

 kota and Kansas. Adventive from southern Europe. 

 Aug.-Sept. Devil's head-in-a-bush. Black-eyed susan. 



