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. purnila, Kern. ; corolla light 

 violet with darker streaks, flowers in dense spikes, tube 

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

 nate ; pastures ; Tirol. 



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

 with violet : E. minima, Jacq. ; leaves ovate, toothed ; 

 alpine pastures, common. 



1 8. 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 often 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 



