MALVACEAE. 57 



3. TALINUM. Adans. 



Sepals 2, ovate, concave, deciduous. Petals 5, sessile. 

 Stamens 10 to 30, inserted with the petals into the torus. 

 Style filiform, 3 -cleft at the apex. Capsule sub-globose, 

 3-celled at the base, when young, 3-valved, many-seeded, — 

 Fleshy perennials. 



R. teretifolium, Pursh. Cylindrical-leaved Talinum. 



Stem simple or branched, short and thick ; leaves subulate, crowded at the summit 

 of the stem, on short branches ; peduncles long and naked ; Jlowers in a dichoto- 

 mous cyme. 



Rocks, Chester county. Dr. Darlington ! June — Aug. ficots a few coarse fibres 

 from the base of a short thick firm but somewhat fleshy perennial stem. Branches 

 1 to 3 inches long. Leaves 1 to 2 inches long, incurred, cylindrical, fleshy. BracU 

 OTate-lanceolate, small. Peduncles 5 to 8 inches high. Flowers email, bright-- 

 purple, expanding only for a day. 



Order 22. MALVACEffi,— Mallow Family. 



Herbs or shrubs, with alternate stipulate leaves, and regular flowers, with numerout 

 stamens, monodelphous in a column. Flowers axillary, showy, often with an involu- 

 cel at the base. Sepals generally 5, more or less united at the base, persistent. 

 Petals 5, cohering by their short claws with the tube of filaments. Stameks 

 indefinite, monodelphous : anthers 1-celled bursting transversely. Pistils several, 

 with the ovaries united into a ring, or forming a several-celled capsule. S&BD9 

 with little albumen. Embryo curved. 



1. MALVA. Linn. Mallow. 



Gr. malale, soft; on account of the soft mucilaginous properties. 



Calyx 5-cleft, with a 3-leaved involucel at the base, like 

 an outer calyx. Carpels many, 1-celled, 1-seeded arranged 

 circularly. — Flowers perfect. 



1. M. Americana, Muhl. American Malloie. 



Leaves ovate, crenate; stipules oblong-linear; peduncles axillary, 1-flowered". 



Southern part of the State. Annual. Stem 12 to 18 inches high, sparingly 

 branched, clothed with white hairs above. Leaves hairy on the veins beneath, 

 nearly smooth above. Petioles 1 inch long. Bracteole bristly. Carpels hispid, in 

 a depressed, globular head. Petals yellow, twice as long as the calyx. T. k Q. 



2. M. rotundifolia, L. Low Mallow. 



Stem prostrate; leaves roundish-cordate, obtusely 5 to 7-lobed, crenate, long 

 petioled; flowers axillary; corrola twice the length of the calyx, notched at the end. 



Cultivated grounds ; common. June — Oet. Per. Poet fusiform. Stems numer- 

 ous, a foot or more long. Peduncles axillary, aggregate. Petals pale pink with 

 darker veins, deeply notched at the end. Fruit depressed, composed of the numer- 

 ous carpels arranged circularly. Extensively naturalized. 



3. M. sylvestris, L. High Mallow. 



Stem erect, branched, hairy ; Uaves large roundish, with 5 to 7 somewhat acute 

 lobes; flowers axillary, 3 to 4 together; peduncks and pttioki hairy ; p eials ob-w»- 

 date, 3 times as. long as the calyx. 



