SPECIES AND VARIETIES. 305 



(242) Pedicularis. LOUSEWORT. 



P. palustris : annual ; stems glabrous, erect, or in dry 

 situations decumbent at the base, much branched, one foot, or 

 in water two feet high ; leaves pinnate, with short ovate deeply 

 cut segments, the floral ones twice pinnate ; flowers almost 

 sessile in the axils, deep purple-red, the calyx broad, with 

 two broad, short, irregularly cut or jagged lobes, and the 

 upper lip of the corolla with two minute teeth below its 

 middle. Red Rattle. Wet meadows and watery ditches, 

 Fl. June, July. 



P. sylvatica : stems prostrate or spreading, branching, sel- 

 dom above six inches long ; leaves pinnate, with deeply cut, 

 small segments ; flowers sessile in the upper axils, pink-red, 

 the calyx broadly oblong, with five unequal teeth, the upper lip 

 of the corolla with one minute tooth on each side, under the 

 point. Moist heathy pastures and meadows. Fl. June, July. 



(243) Bartsia. 



B. Odontites r annual ; stems erect, branching, a foot high, 

 downy; leaves lanceolate, toothed; flowers purplish-red, in 

 numerous one-sided spikes, the upper lip of the corolla longer 

 than the lower one. Fields and waste places. Fl. July, 

 .August. 



(244) Euphrasia. EYEBRIGHT. 



E. officinalis : annual ; stem 2-8 inches high, usually much 

 branched, glabrous or slightly downy; leaves small, sessile, 

 opposite, ovate, deeply toothed, the teeth of the upper ones 

 finely pointed; flowers in loose, terminal, leafy spikes, the 

 corolla white or reddish streaked with purple, and having a 



