MONADELPHIA, POLYANDRIA. 65 
308. MALVA. Gen. pl. 1134. (Malvacee.) 
Calix double; the exterior mostly 3-leaved. 
Petals 5. Capsules many, 1-seeded, dis- 
posed orbicularly.—.Vutt. 
1. M. stem prostrate; leaves cordate-orbiculate, rotundifolia. 
obsoletely 5-lobed; peduncles of the fruit decli- 
nate.— Willd. 
Icon. Fl. Dan. 721. 
Round-leaved Mallow. 
An introduced and well-known weed, found always among 
rubbish, near habitations, and in cultivated grounds, where it 
is perfectly naturalized. Perennial. All summer. 
309. HIBISCUS. Gen. pl. 1139. (Malvacee.) 
Calix double; exterior many-leaved. Stigmas 
mostly 5. Capsule 5-celled, many-seeded. 
1. H. leaves broad-ovate, obtusely serrate, sub- palustris. 
trilobed, 3-nerved, tomentose beneath ; pedun- 
cles axillary, longer than the petiole.—/VVilld. 
Icon. Cavan. Diss. 5. t. 65. f. 2. 
Marsh Hibiscus. 
This elegant plant is very ornamental to our swamps and 
water-sides. From two to four feet high. Flowers very large, 
reddish-purple; rarely white. Along the Delaware, on either 
poset below the city; very abundant. Perennial. August, Sep- 
tember. 
VoL. II. 
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