166 COMMON CANADIAN WILD PLANTS. 



15. MELIS'SA, L. BAI.M. 



M. offleina'lis, L. (COMMON BALM.) Upright, branch- 

 ing, pubescent. Leaves broadly ovate, crenate-toothed, 

 lemon-scented. Escaped from gardens in a few places. 



16. PHYSOSTE'GIA, Benth. FALSE DRAGON-HEAD. 

 P. Virginia'na, Benth. Stem smooth, wand-like. Lower 

 leaves oblong-ovate, upper lanceolate. Corolla an inch 

 long, funnel-form, the throat inflated ; upper lip slightly 

 arching, the lower 3-parted, spreading, small. Wet banks, 

 common on Toronto Island. 



17. BRUNEI/LA, Tourn. SELF-HEAL. 



B. VUlga'ris, L. (COMMON HEAL-ALL.) A low plant with 

 ob'.ong-ovate petioled leaves. Clusters B-flowered, the whole 

 forming a close terminal elongated head. Woods and fields 

 everywhere. 



18. sci'TKLLA'itiA. L. SKULL-CAP. 



1. S. galerieula'ta, L. Flowers blue, f of an inch long, 

 solitary in the axils of the upper leaves. Stem nearly 

 smooth, 1-2 feet high. Wet places. 



2. S. par'VUla, Michx. Flowers blue, of an inch long, 

 solitary in the upper axils. Stem minutely downy, 2-6 

 inches high. Lowest leaves round-ovate, the upper nar- 

 rower, all entire. Roots necklace-form, Dry banks. 



3. S. lateriflo'ra, L. Flowers blue, J of an inch long, in 

 1-sided racemes. Stem upright, much branched, 1-2 feet 

 high. Wet places. 



10. >l Altltl till >I, L. HOBEHOUND. 



M. VUlga're, L. Leaves round-ovate, crenate-toothed. 

 Calyx with 5 long and 5 short teeth, recurved. Escaped 

 from gardens in some places. 



- 20. GALEOP'SIS, L. HEMP-NETTLE. 



G. Tetra'hit, L. (COMMON HEMP-FETTLE.) Stem bristly- 

 hairy, swollen below the joints. Leaves ovate, coarsely 

 serrate. Corolla often with a purple spot on the lower lip. 

 Waste places and fields. 



