SCROPHULARIACE^ 77 



lowing : — V. montanum, Schreb. ; resembling Thapsus, 

 but flowers larger, filaments of all the stamens woolly, 

 leaves not so strongly decurrent ; hilly woods. V. thap- 

 siforme, Schrad. ; resembling Thapsus, but flowers much 

 larger (i J in.), leaves more distinctly crenate and acumi- 

 nate; Switzerland, Dauphiny, Pyrenees. V. phlomoides, 

 L. ; similar, but leaves not so strongly decurrent, tomen- 

 tum yellow ; rare. 



2. LiNARIA, L. 



Flowers axillary, sohtary, or in racemes ; corolla per- 

 sonate with a spurred tube ; stamens 4 ; stigma notched 

 or 2-lobed; capsule of two nearly equal cells, dehiscing 

 by pores ; lower leaves sometimes opposite or in whorls. 

 Nearly all the species of Toadflax are lowland plants. 



A. Flowers yellow, in racemes : — L. vulgaris, Mill ; 

 our common English Yellow Toadflax ; hedge-banks, 

 common (flowers sometimes regular, with 5 spurs and 

 S stamens, var. Pelorid). V. italica, Trev. ; flowers 

 smaller and paler, axis of raceme and flower -stalks 

 glabrous ; mountain valleys ; Southern Switzerland, 

 Styria, Dauphiny, Pyrenees. L. supina, Desf. (including 

 pyrenaica, DC); racemes short, stem glandular-pubes- 

 cent, leaves linear, somewhat fleshy, the lower often 

 in whorls, annual ; sub-alpine ; Piedmont, Dauphiny, 

 Pyrenees. L. simplex, DC. ; flowers very small, in short 

 terminal racemes, leaves linear ; Pyrenees. 



B. Flowers purple or violet, in racemes: — L. alpina, 

 Mill (PL 90) ; stem glabrous, somewhat prostrate, flowers 

 in a loose raceme, violet with yellow throat, leaves 

 linear, somewhat fleshy, in whorls of 4; high, fre- 

 quent. V. arvensis, Desf.; annual, flowers very small, 



