Canadense. 
Virginicum. 
Borealis, 
[ 30 | 
CLASS XIII.—DIDYNAMIA. 
ORDER I. GYMNOSPERMIA. (4 naked seeds.) 
264. TEUCRIUM. Gen. pl. 960. (Labdiate.) 
Upper lip of the corolla none, but a fissure in 
its place through which the Stamina are 
exserted.— Wut. 
1. T’. cano-hirsute; leaves ovate-lanceolate, ser- 
rate, all petiolate; stem erect, spikes verticil- 
late, crowded, bracteas twice as long as the ca- 
lix.—Willd. and Pursh. 
Nettle-leaved Germander. 
About eighteen inches or two feet high. Flowers purple. 
Along the grassy banks of our rivers and creeks; and in low 
meadows, common. Perennial. July. 
2, 'T. pubescent; leaves ovate, oblong, serrate, 
the upper ones subsessile; stem erect, spikes 
verticillate, crowded, bractes the length of the 
calix.— Willd. 
Icon. Schkuhr. handb. 160. (Pursh.) 
Resembles the preceding exceedingly. Flowers also pur- 
ple. Grows with No. 1, but is very rare. 
265. MENTHA. Gen. pl. 967. (Labiate.) 
Corolla subequal, 4-cleft; having the broader 
segment emarginate. Stamina erect and 
distant.—WVuitt. 
1. M. upright, pubescent; leaves petiolate, oval- 
lanceolate, very acute at each end ; flowers ver- 
ticillate; stamens exserted.—Mich. 
Mentha Canadensis, Kalm. : 
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