MONADELPHIA, POLYANDRIA. 
65 
308. MALVA. Gen. pi. 1134. {Malvacea.) 
Calix double ; the exterior mostly 3-leaved. 
Petals 5. Capsules many^ 1-seeded^ dis- 
posed orbicularly. — 
1. M. stem prostrate; leaves cordate-orbiculate, rotundifoiia. 
obsoletely 5-lobed; peduncles of the fruit decli- 
nate. — Willd. 
Icon. FI. Dan. 721. 
Round4eaved 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. pi. 1139. {Malvaceae.) 
CaZio? double; exterior many-leaved. Stigmas 
mostly 5. Capsule 5-celled^ many-seeded. 
1. H. leaves broad-ovate, obtusely serrate, sub- paiustiis, 
trilobed, 3-nerved, tomentose beneath ; pedun- 
cles axillary, longer than the petiole. — Willd. 
Icon. Cavan. Diss. 3. 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 
side, below the city; very abundant. Perennial. August, Sep» 
tember. 
vox. II. 
