LENTIBULARIE^. (BLADDERWORT FAMILY.) 605 



anther-cells separafe and mucronate. Ovary with a free gland at base ; 

 style thick, stigma capitate. Capsule 1-celled, 2-valved, valves bear- 

 ing four twin placentae near axis. Seeds numerous or few — Parasitic 

 herbs, with the subterranean part of the stem resembling a root-stock. 



li. Squaniaria, L. 2f .15 to .3 ; scales of root-stock fleshy, 

 imbricated ; stem with few scales, erect, simple. Bracts ovate or ob- 

 tusely rhombic ; flowers pedicelled, somewhat pendulous ; calyx cam- 

 panulate, cleft to middle into 4, triangular-ovate, obtuse lobes ; corol- 

 la whitish-pink, once and a half as long as calyx, the upper lip some- 

 what hooded, entire, the lower shorter, 3-toothed ; anthers villous — 

 May — On trees and shrubs in woods ; Amanus, and northward. 



Order LXXIV. I.E:i«TIBUL.ARIEiE. Rich. 

 (Bladderwort Family). 



Aquatic herbs with a two-lipped calyx^ and two-lipped^ 

 personate, spurred corolla, 2 stamens %oith confluently one- 

 celled anther s^ and a free, l-celled ovary, with a free, central 

 placenta, hearing nuraerous orthotropous seeds, vnth a 

 straight einbryo and no albumen. Palate of corolla usually 

 bearded ; style short or none ; stigma 1-2-lipped, the lower 

 lip larger, with a prominent palate — Marsh or aquatic herbs. 



1. UTRICUtiARaA, L. Bladderwort. 



Upper lip of calyx entire, lower often retuse or bidentate. Upper 

 lip of corolla erect, entire or retuse, lower longer, often trilobed. Fila- 

 ments of stamens dilated, anthers dehiscent lengthwise. Style (in 

 ours) 0. Capsule at length irregularly torn. Seeds polyhedrons — 

 Floating, perennial herbs, (ours) with leaves all dissected into capil- 

 lary lobes, bearing little bladders. 



U. vulgaris, L. 2f Roots none or few, not fixed. Leaves 

 spreading on every side. Scape several-flowered, loose ; pedicels long- 

 er than bract and calyx ; corolla yellow, upper lip about as long as in- 

 flated, orange-striped palate, spur oblong-conical, descending ; anthers 

 connate — Summer — Stagnant waters above the Huleh. 



Fig. 369. 



Fia. 270. 



Branch of the root of U. vulgaris, 

 showing the bladders and fibres. 



Segment of branch of U. 

 vulgaris, with personate flowei. 



