SCROPHULARIACE^ 89 



B. Flowers white spotted with yellow and violet; 

 leaves linear : — E. tricuspidata^ L. ; flowers large, leaves 

 with one short tooth on each side; alpine pastures; 

 Southern Tirol, Lombardy, Carniola, Carinthia. 



C. Flowers usually entirely violet ; leaves ovate or 

 ovate-lanceolate: — E. rigidula^ Jord. {nemorosa, Mart.); 

 corolla purple-lilac, with curved tube, flowers in a lax spike, 

 capsule deeply emarginate; alpine pastures. E. erice- 

 torum, Jord.; closely resembling the last, but flowers 

 somewhat larger, spikes denser, stem more branched ; 

 Valais, Geneva, Ticino. E. pumila^ Kern. ; corolla light 

 violet with darker streaks, flowers in dense spikes, tube 

 straight, stem not more than 2J in., capsule not emargi- 

 nate ; pastures ; Tirol. 



D. Flowers very small, yellow, or upper lip tinted 

 with violet : — E. minivia, Jacq. ; leaves ovate, toothed ; 

 alpine pastures, common. 



18. Pedicularis, L. 



Flowers large, red or yellow, usually in bracteate spikes 

 or racemes ; calyx tubular or campanulate, often inflated ; 

 corolla 2-lipped, sometimes dilated, upper lip ofl;en pro- 

 longed into a long beak; stamens 4, concealed in the 

 upper lip of the corolla; leaves usually alternate and 

 deeply divided. The Louseworts are erect herbs, para- 

 sitic on roots, turning black when dried; nearly all the 

 species are alpine or sub-alpine. 



A . Flowers yellow ; upper lip of corolla drawn out to 

 a narrow beak: — P. elongata, Kern. (PI. 96); stem 6-12 

 in., few-leaved, nearly glabrous, spike elongated, calyx- 

 teeth leaf-like, inciso-dentate, bracts pinnatifid, leaves 



