^ Class II. Order I. 



incurved. Germ globular, style clavate, stigma concave, mem- 

 branous, incurved against an opposite tooth. 



This is exactly the U. vulgaris of Europe by Sowerby's figure. 

 The horn is sometimes acute and emarginate in the same plant, 

 and sometimes furnished with lateral teeth. Ditches and stag- 

 nant waters. June, July. Perennial. 



UTRICULARIA CORNUTA. MX. Horned Utricularia. 



Scape rooting, erect, slender, rigid ; flowers two 

 or three, subsessile ; lower lip of the corolla very 

 wide, three lobed ; spur porrected, very acute. 



A terrestrial species, never Heating. Scape erect, straight, fili- 

 form, round, smooth, leafless ; furnished with ovate, acute, ap- 

 pressed scales. Flowers two or three, at the top on very short 

 peduncles, yellow, issuing from between three acute bractes of 

 which one is larger and ovate, the two others linear. Calyx of 

 two leaves which ars ovate, acute, and j^ellowish. Upper lip 

 of the corolla reflexed, roundish, yellow; lower lip much larger, 

 inflated, emarginate, with a small projecting terminal lobe. L Spur 

 as long as the upper lip, rigid, acute, slightly curved. 



Wet grounds, Sandwich, Chelmsford, &c. Sometimes so 

 abundant as to give the ground a yellow appearance at a dis- 

 tance 



UTRICULARIA INFLATA. Walt. Whorled bladder wort. 



Floating, leaves whorled, inflated ; pinnatifid at 

 the extremity. 



Syn. UfRICULARIA CERAfOPHTLLA. MX. 



Stem slender, with vesicular roots or fibres. At the surface 

 of the water is a single whorl of about six oblong inflated leaves, 

 branched at the extremity. Flowers three or four on a stem 

 pedunculated, with sheathing bractes, yellow. Upper lip round- 

 ish, mostly entire. Lower lip three lobed, its inflated portion 

 small. Spur short, compressed, obtuse, appressed to the corolla, 

 three striate, emarginate. Ponds, Charlestown. August. 



UTRICULARIA PURPUREA. Walt. Purple bladder wort. 



Floating ; scapes mostly one flowered ; spur flat- 

 tened, appressed to the lower lip and half its length. 



