TETRANDRIA, MONOGYNIA. 
«S 
villous on the inner side. Stamina 4, scarcely 
exserted. Stigma 4-cleft. Berry, by the 
union of the 2 germs, didymous, 4-seeded. 
— NutL 
1. M. repens. 
Creeping Mitchella, Partridge-berry. Chequer- 
berry, 
A creeping, procumbent evergreen plant, much admired fop 
its beautiful foliage, its fragrant white flowers and its scarlet 
berries. It is the only species of its genus known. Very com- 
mon on the rocky banks of the Wissahickon, and in profusion 
on the high rocks bordering the Schuylkill, growing among 
! ferns . It delights in shades, and is often found in the umbra- 
geous woods of Jersey, covering spots of ground of several feet 
in extent. It is slightly diuretic, and is used in Jersey, in cal- 
culous affections . It is, however, medically worthless. Peren- 
nial. May, June. 
78. LUDWIGIA. X. Gen. pi. 204. (Onagr<s.) 
Calix 4-parted, persistent, superior. Corolla 4- 
petalled, or 0. Capsule 4 sided, 4- celled, in- 
ferior, many -seeded. — Nutt. 
1. L. erect, branched, smoothish ; leaves alternate macrocarpa, 
lanceolate white beneath ; peduncles one-flowered 
axillary ; capsules globose -four-sided : segments of 
the calix large, coloured, crowned. — Mich* 
L. alternifolia, Willd* 
Icon. Lam. Encycl. 3. p. 77. 
About two and a half feet high. Flowers straw-yellow, and 
extremely caducous. In bushy swamps, Jersey, common. 
More rare this side of the river. Perennial. July. 
79. ISNARDIA. L. (Salicaricd,) 
Calix campanulate, 4-cleft. Petals 0, or mi- 
9 
