29S PENTANDRIA— MONOGYNIA. Lobelia. 



Cat. superior, of 1 leaf, in 5 deep, small, nearly regular, per- 

 manent segments, surrounding the summit of the germen. 

 Cor. of 1 petal, irregular; tube cylindrical, longer than 

 the calyx, split along the upper side ; limb in 5 deep, lan- 

 ceolate segments; the 2 uppermost small, most reflexed, 

 and most deeply separated, constituting the upper lip ; 

 the rest more spreading, generally larger, forming the 

 under lip. Filam. awl-shaped, the length of the tube, 

 combined at the top. Anthers united into a cylinder, 

 more or less curved at the extremity, separating after a 

 while at the base into 5 parts. Germen pointed, inferior. 

 Style cylindrical, as long as the stamens. Stigma capi- 

 tate, hairy. Caps, elliptical, angular, of 2 or 3 cells and 

 as many valves, bursting at the top, within the circum- 

 ference of the calyx ; partitions contrary to the valves. 

 Seeds numerous, minute, covering the conical recep- 

 tacle. 



Herbaceous or shrubby, milky, acrid. Leaves simple, un- 

 divided. Ft. racemose or solitary, various in colour, in- 

 odorous. Pubescence various. 



1. L. Dortmanna. Water Lobelia. 



Leaves linear, entire, of two longitudinal cells. Stem nearly 

 naked. 



L. Dortmanna. Linn. Sp. PL 1318. Willd. v. 1. 938. Fl. Br. 242. 

 Engl. Bot. v. 2. t. 140. Light/. 505. £.21. Hook. Scot. 76. Fl. 

 Dan. t. 39. 



Dortmanna lacustris, floribus sparsis pendulis. Rudb. Act. Suec. 

 ann. 1720.97. t.2. 



Gladiolus palustris. Bauh. Pin. 41 . Rudb. Elys. v. 2. 17./. 7. 



G. lacustris Dortmanni. Clus. Cur. Post. 40. /. Raii Syn. *287. 



G. lacustris. Ger. Em. 105./. 



In the lakes of Wales, Scotland, Ireland, and the north of England. 



Abundant in those of North Wales and Scotland. Richardson, 

 Lightfoot. In most of the lakes, with clear gravelly bottoms, in 

 Westmoreland and Cumberland. 



Perennial. July. 



Root of many long, simple, whitish fibres. Herb smooth, immersed 

 in water like the Hottonia. Leaves numerous, 2 inches long, 

 mostly radical, obtuse, recurved, tumid, divided internally, by a 

 longitudinal partition, into 2 cells. Stem solitary, erect, round, 

 holiow, slightly leafy, terminating in a simple cluster of light 

 blue, drooping, alternate flowers, raised several inches above the 

 water. Bracteas small, solitary, at the base of each partial stalk. 

 Cor. bearded at the mouth, as are the anthers at their tips. Cap- 



