408 THE ALPINE FLORA 



scattered among the chinks or on mossy rocks is sufficient. 

 On level soil they may die out. 



The two following genera are of no real garden interest 

 there insect and are, therefore, only described botanically 

 to enable tourists to identify them. 



Bartsia 



B. alpina* (PI. LXXXV11), Bartsie, Alpenhelm. 

 A sombre looking plant with erect stems, six or eight in., 

 woolly, much leaved, especially toward the tips, where 

 the leaves pass into dark-violet bracts; flowers small, 

 blackish-violet, in erect raceme. Cool, shady places in 

 the Alps and Jura, where it spreads into veritable 

 colonies. 



Pedicular is 



"Eng. : Lousewort ; Fr. : Pediculaire ; Ger. : Lausekraut. 



Partly parasitic; stems simple; leaves finely divided; 

 flowers in spikes ; calyx tubular, 3-5-toothed ; corolla 

 tubular, bilabiate, the upper lip projecting in the form 

 of a beak; stamens four. Varieties : 



P. tuberosa (PL LXXV1I1). Stem 8-16 in., erect; 

 leaves slender, bi-pinnate into oblong, toothed pinnules; 

 flowers yellow, shaded brown, in erect spike. Alps ; 

 i3oo-22OO m.; dry pastures. 



P. foliosa a species sometimes reaching 20 in.; stem 

 stout, erect; leaves large, deeply pinnatisect into narrow 

 leaflets; flowers greenish -yellow, in coarse, compact 

 spike. June-July; cool and grassy pastures of the Alps 

 and southern Jura. 



P. verticillata (PI. LXXXV1II). A small plant with 

 pinnatisect leaves, a little like those of Jlsplenium JiaUeri, 



