286 DICOTYLEDONOUS PLANTS. 



HAB. Shady woods. Penn. to Geor. W. to Miss. July. U> 

 Stem 8 12 inches high. Flowers axillary, blue. 



ORDER XCIII. LENTIBULARI^S. Rich. Lind. 



Calyx divided, persistent. Corol irregular, bilabiate, with 

 a spur. Stamens 2, included within the corol and inserted 

 into its base ; anthers 1-celled, sometimes contracted in the 

 middle. Ovary 1-celled ; style I ; stigma bilamellate. Cap- 

 side 1-celled, many-seeded, with a large central placenta. 

 Seeds minute ; albumen none ; embryo sometimes undivided. 



Herbs, growing in water or marshes. Leaves radical, un- 

 divided ; or compound, resembling roots and bearing little 

 vescicles. 



1. PINGUICULA. Linn. 



Calyx 4 5-cleft. Corol ringent, spurred at the base be- 

 neath. Stamens 2, very short. Stigma 2-lipped. 



Diandria. Monogynia. 



P. vulgaris Linn. : spur cylindrical, acute, as long as the reinless 

 petal ; upper lip 2-lobed ; lower one in three unequal obtuse segments. 

 P. elatior Mch. f 



HAB. Wet rocks. Rochester, N. Y. N. to' Arc. Amer. April. 

 If. Ledves all radical, spatulate- ovate, fleshy. Scape 4 C 

 inches high. Flowers solitary, nodding ; tube of the corol, vil- 

 lose, purple. Specimens of this plant, from the vicinity of Ro- 

 chester, N. Y., appear to me to differ in no respect from the fo- 

 reign one. Buttencort. 



2. UTRICULARIA. Linn. 



Calyx 2-parted ; lips undivided, nearly equal. Corol per- 

 sonate, with the lower lip spurred at the base. Stamens 2, 

 with the filaments incurved bearing the anthers within the apex. 

 Stigma 2-lipped. Capsule 1-celled. 



Diandria. Monogynia. 



OBS. The North American species of this genus have been atten- 

 tively studied by Capt. Le Conte, whose valuable observations are pub- 

 lished in the first volume of the Annals of the New- York Lyceum. 



1. U. ceratophytta Mich. : floating ; scape many-flowered ; radicle 

 leaves whorled, inflated, pinnatifid at the extremities ; lower lip of the 

 corol deeply 3-lobed; spur short, obtuse, deeply emarginate. U. infata 

 Walt. 



HAB. Ponds. N. Y. to Mexico. July, Aug. U.Root very 

 long, branching, with capillary radicles furnished with numer : 





