Class V. Order II. 109 



of its inner bark. It is found in different parts of Worcester 

 county, but I have not met with it nearer Boston. 



113. HYDROCOTYLE. 



HYDROCOTYLE AMERICANA. L. Pennywort. 



Leaves reniform, somewhat lobed, crenate. L. 



A small plant found in moist ground under the shade of bushes, 

 &c. Stem creeping. Leaves kidney shaped, doubly crenate, 

 light green, very smooth and thin. Flowers minute, in very 

 small umbels or bunches, sessile. July. Perennial. 



HYDROCOTYLE UMBELLATA. L. Umbelled Hydrocotyle. 



Leaves peltate, crenate, emarginate at base ; um- 

 bels pedunculated, many flowered, flowers pedicelled. 



An aquatic, larger and firmer than the preceding species. 

 Leaves reniform and peltate, floating in deep water, or erect in 

 shallow. Umbels found only in shallow water, or wet ground. 

 Fresh pond. July. 



114. SANICULA. 



SANICULA MARILANDICA. L. Sanlcle. 



Barren flowers on peduncles, perfect ones sessile, 



Gr. 



Stem upright, smooth, furrowed, divided into a few erect 

 branches. Leaves divided somewhat in a pedate manner, acute- 

 ly serrate, the upper ones generally ovate-lanceolate resembling 

 heads, with an involucre of short ovate leaves. Umbels simple, 

 few flowered, the barren flowers on short peduncles, the perfect 

 or fruitful ones sessile. Seeds furnished with hooked bristles. 

 About thickets in low ground. June. 



115. DAUCUS. 



DAUCUS CAROTA. JL. Carrot, 



Fruit hispid, petioles nerved underneath. 



The common carrot, in its wild state, grows at Chelsea and 

 elsewhere, and is known at sight when in fruit by the cohesion 

 of the whole umbel, forming a concave surface. Involucre 

 pinnatifid. June. July. Biennial. 



