166 COMMON CANADIAN WILD PLANTS. 



15. MELIS'SA, L. Balm. 

 M. o£Q.Clna'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 Dkagon-head. 

 P. ViFglnia'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. 



IJ. BRFSTET'IA, Tourn. Self-heal. 

 B. vulga'ris, L. (Common Heal-all.) A low plant with 

 oblong-ovate petioled leaves. Clusters .S-flowered, the whole 

 forming a close terminal elongated head. — Woods and fields 

 everywhere. 



18. SGITTEILA'RU, L. Skoll-cap. 



1. S. galeFieula'ta, L. Flowers blue, j 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, J 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. KIARRrBIirM, L. HOKEHODND. 

 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. GAJLEOP'SIS, L, Hemp-Nettle. 

 G. Tetra'hit, L. (Common Hemp-Nettle.) 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. 



