1G6 COMMON CANADIAN WILD PLANTS. 



15. fllEI.IS'SA, L. Balm. 

 M. officinalis, L. (Common Balm.) Upright, branch- 

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

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



16'. PH¥SOSTE'GIA, Benth. False Draoon-head. 

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

 leaves oblou'^-ovate, upper lanceolate. Corolla an inch 

 long, funnel-form, the throat inflated ; upper lip slight!,., 

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

 common on Toronto Island. 



17. BRBNEl'IA, Tom-n. Self-heal. 

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

 oblong-ovate petioled leaves. Clusters 3-flowered, the whole-, 

 forming a close terminal elongated head. — "Woods and fields 

 everywhere. 



IS. SCIITEILA'RIA, L. Skull-CAF. 



1. S. galerieula'ta, L. Flowers blue, I 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, Miohx. 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. Boots nocklace-form. — Dry banks. 



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

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

 high. — Wet places. 



10, IHARRII'BIIIIU, L. HOREHOUND. 



M. VUlg'a'Fe, L. Leaves round-ovate, crenate-toothed. 

 Calyx with 5 long and 5 short teeth, rpcvirved. —Escaped 

 from gardens in some places. 



20. «AXGOP'SIS, L. Hemp-Nettle. 

 G. Te'tPa'hit, L. (Common Hemp-Nisttle.) Stem bristly-' 

 hairy, swollen below the joints. Leaves ov.xte, coarsely 

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

 — Waste places and fields. 



