Class XIIL— DIDYNAMIA. 



Order I.— -GYMNOSPERMIA. (4 naked seeds.) 



f Calix subquinqiiefid. 



S94. AJUGA. L. (Bugle. Ground Pine.) 



Corolla with the upper lip minute and biden- 

 tate. Stamina longer than the upper lip. <v3n- 

 thers all reniform, 1 -celled." R. Brown. 



stem erect or repent, often stoloniferous; leaves ovate 

 or narrow and trlfid; flowers in terminal verticillate spikes 

 or solitary and axillary. 



Species. 1. A. Chamapithys. A very doubtful native. 

 A small genus principally European. 



395. TEUCRIUM. Z. (Germander.) 



Upper lip of the corolla none, but a fissure in 

 its place through which the Stamina are exsert- 

 ed. 



SuflTruticose, but mostly herbaceous; inflorescence vari- 

 ous; flowers axillary or terminally racemose, spiked, „ ca- 

 pitate or corymbose. 



Species. 1. T. canadense. 2. virgijiinim. 



A genus of 70 species or upwards, chiefly indigenous 

 to ihe warmest parts of Europe but extending more or 

 less through both hemispheres. 



S96. MENTHA. L, (Mint.) 



Corolla subequal, 4-cleft; having the broader 

 segment eraarginate. Stamina erect and dis- 

 tant. 



Herbaceous, very odorous; flowers verticillate and ax- 

 illary, verticillately spiked, or rarely subcapitate. 

 Species. 1. M. canadensis. 2- boreah. 2. tenvis^ 



