LAVENDER TO PURPLE FLOWERS 



137 



Self-heal {Bntuella vulgaris). Mint family. 



Low plant with square stem; flowers purplish 

 in thick oblong spike or head at end of stem; 

 calyx and corolla 2 -lipped; leaves with stalks, 

 oblong, sometimes toothed. Fields. Common. 

 All summer. 



Fig. 68. 



Self-heal (Brunella vulgaris) . 



Eyebright {Euphrasia officinalis). Figwort family. 

 Max. ht. 10 in.; flowers very light purple, small, in 

 close, short spikes; corolla 2 lipped; leaves without 

 stalks, short and broad, w4th coarse teeth. Maine 

 and Canada. Summer. 



Obediext-plaxt {Physostegia Virginiana). Mint family. 

 Av. ht. 2-3 ft.; stem square, stout, ending in 

 spike of large purplish-pink flowers which remain 

 where placed when bent from side to side, as if 

 on hinge; calyx 5-toothed; corolla funnel-form, 

 2-lipped, upper lip concave, lower 3-lobed; leaves 

 thick, without stalks, lance-shaped to oblong, 

 mostlv toothed. Summer. (See illustration under 

 Pink '7). 



