TETRANDRIA, MONOGYNIA. 85 



villous on the inner side. Stamina 4, scarcely 

 exbcrted. Stigma 4-cleft. Berry, by the 

 union of the 2 germs, didymous, 4-seeded. 

 — Xutt. 



1. M. ^pens. 



Creeping Mitchella, Partridge-berry. Chequer- 

 berry. 



A creeping, procumbent evergreen plant, much admired for 

 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 th i 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. L. Gen. pi. 204 (Ona R ra>.) 



Calix 4-parted, persistent, superior. Corolla 4- 

 petailed, or 0. Capsule 4 sided, 4-celled, in- 

 ferior, many -seeded. — JSTutt. 



1. L. erect, branched, smoothish ; leaves alternate macroc^a. 



lanceolate white beneath ; peduncles one-flowered * hch ' 



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 swamp.-, Jersey, common. 

 More rare this side of the river. Perennial. July. 



79. ISNARDIA. L. (Salicarix.) 



Calix campanulate, 4-cleft. Petals 0, or mi- 



9 



