6. Hibiscus Triōnum L. Bladder Ketmia. Flower-Of-An-Hour. Venice Mallow. Modesty

Fig. 2874

Hibiscus Trionum L. Sp. Pl. 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 beautifully nerved hispid-pubescent 5-angled inflated calyx; capsule globose-ovoid, hairy; seeds roughened with short processes.

In waste places, Nova Scotia to Florida, South Dakota and Kansas. Adventive from southern Europe. Aug.-Sept. Devil's head-in-a-bush. Black-eyed susan.

6 Hibiscus Tri Num L Bladder Ketmia Flower Of An H 12166 Hibiscus Tri Num L Bladder Ketmia Flower Of An H 1217

7. Hibiscus Syriacus L. Shrubby Althaea. Rose-Of-Sharon

Fig. 2875

Hibiscus Syriacus L. Sp. Pl. 695. 1753.

A branching nearly glabrous shrub, 10°-20° high. Leaves short-petioled, ovate, 2'-5' long, obtuse or cuneate at the base, acute but blunt at the apex, 3-5-lobed or the upper merely dentate, sometimes with a few scattered stellate hairs on the upper surface; flowers axillary, short-pedun-cled, pink or white with a crimson centre, 2'-4' broad; bractlets linear, shorter than the calyx, or slightly exceeding it; peduncles, bractlets and calyx stellate-pubescent; capsule ovoid, nearly 1' long.

Sparingly escaped from cultivation, Connecticut to Pennsylvania, the District of Columbia and Georgia. Introduced from western Asia. Aug.-Sept.