LENTIBULACEJC. 251 UTRICtJLARIA. 



ORDER LXXXVll. LENTIBULACE^. tkc Biaddnv^on rnu. 



Cal. — Inferior, of 2 oro sepals united or distinct at base. 



Cor. — Irregular, bilabiate, personate, spurred. 



Sta. — 2, included within the corolla and inserted on its upper lip. Anth. 1-cellcd. 



Ova. — 1-celled, with a free, central placenta. Stxjle 1. Stigma cleft. 



Fr. — Capsule many-seeded. Sferls minute ; embryo none. 



An order consisting of but two genera. The species are natives of swamps, pools and 

 rivulets, diffused throughout nearly all countries. They are herbaceous, with the showy 

 flowers on scapes, and the leaves all radical, often submersed, undivided or dissected into 

 thread-like segments resembling roots, bearing vesicles of air. Properties unimportant. 



Genera. 



Calyx 4 — 5-cleft, capsule 5-celled Pinguicula. 



Calyx 2-parted, subequal. Capsule 1-celled. ....... Utricuiaria- 



1. PINGUI'CULA. 



Calyx 4 — 5-cIeft ; corolla ringent, spurred at base beneath ; 

 stamens 2, very short; stigma bilabiate; capsule 5-celled; 

 seeds many. 



Lat. -pinguis, fat ; from the greasy appearance of the leaves. Aquatic herbs. 

 Cor. labiate ; upperUp erect, of 3 segineiits, the 2 lower reflexed. Nectary, 

 a spur from the base of the corolla behind. Fil. curved upwards, short. 

 Anth. close to the stigma. Stig. cleft, upper lip flat, reflexed, covering the 

 anthers. 



P. vulga'ris. 



Spur cylindrical, acute ; upper lip of the corolla 2-Iobed, lower one 3-lobed ; 

 leaves radical ; flowers solitary, nouding. A perennial plant, growing upon 

 V7et rocks and thin, damp soil, N. Y. Scape 6 — 8 inches high, with solitary, 

 nodding flowers. Leaves all springing from the root, fleshy, spatliulate or 

 ova-le, with a tapering base, flet^hy and unctious to the touch. Corolla with 

 a ptirple tube, lined with soft hairs. Flowering early, in April and May. 



BatleriDort. 



2. UTRICULA'RI A. 



Calyx 2*parted, subequal; corolla irregularly bilabiate, 



personate, spurred; stamens 2; stigma bilabiate; capsule 



globular, ] -celled. 



Lat. utricnln, a little bottle ; from the air vessels with which the roots of this 

 genus are appendaged. Aquatic herbs. Cor. with a heart-shaped palate ) 

 upper lip erect, obtuse, bearing the stamens ; lower lip spurred behind. Fil. 

 incurved. Anth. adhering together. Sds. numerous. 



1. U. CEnATOPHY'LLA. Mz. U. inflata. TValt. 

 Floating; radkal leaves whorled, inflated. Root very long, branching, 



suspended in the water by a single, irregular whorl of 5 or G floating, inflated 

 leaves which are oblong, cleft, and pinnatifid at the end. Flowers 4 — 5 

 together upon a scape 8 inches in length, pedunculated with sheathing bracts. 

 Spur nearly as long as the corolla, appressed to the lower lip, striate, emargi- 

 nate. Corolla yellow, the upper lip broad-ovate, entire, lower 3 lobed. Ponds. 

 A ug. Whorled Bladderwort. Mill/oil. 



2. U. stria'ta. 



Floating; scajic 2 — 6-fliwered, with a few scales ; _^07cer5 large, yellow, 

 upper lip broad, divided into 3 lobes, the middle lobe striate with red; lower 



