86 TETRANDRIA, MONOGYNIA. 



nute. Capsule surrounded by the base of 

 the calix, 4-sided, 4-celled, many-seeded. 

 — Mutt. 



palustris. 1. I. 



IsnarcHa palustris, Willd. 

 Ludwigia nitida, Mich and Pursh. 

 L. apetala, Walt. fl. Car. 89. 



L. repens, Swartz. fl. ind- occid. 1 p. 273. (Pursh.) 

 Icon. Lam. Encycl. 3. t. 77. 



A common looking plant, floating- in ditches occasionally, but 

 most commonly found in half exhausted pools and trenches, 

 and rarely creeping on wet ground. In such places in Jersey 

 extremely common and abundant. More rare this side of the 

 river. On the commons in muddy puddles near brick-kiln ponds- 

 Flowers very small. Perennial. May to September. 



80. CORNUS. L. Genpl. 194. (Cafirifolia.J 



Flowers sometimes aggregated in a 4-leaved 

 involucrum. — Calix 4-toothed. Petals 4, 

 small, broader at the base. Drupe inferior, 

 not crowned by the calix ; nut 2-celled, 2- 

 seeded. — Mutt. 



floftda. 1. C. a small tree ; leaves ovate acuminate; involu- 

 cres large, somewhat ob-cordate j berries ovate. 

 Willd. 



Icon. Catesb. Car. t. 27. Bot Mag. 526. Bar- 

 ton's Vegetable Materia Medicaot the United 

 States, Vol. l.t. 3. Mich. f. N. Am. Sylv. t. 48. 



Dogwood. Large-flowered Cornel. 



Every one knows the Dogwood, so very common in all 

 our woods, and of which it is one of the greatest ornaments . 

 Very valuable for its medical virtues, which are tonic and an- 

 tiseptic. See Barton's Veg. Mat. Med. U. S.— May. 



