394 PRACTICAL BOTANY. 



22, Calamintlia Clinopodium, Bentli. (Clinopodium vul- 

 gare, L.), magnified. 



23, Hedeoma pulegioides, a flower of the natural size ; 

 23<^, a flower magnified, as is 235 the calyx. 



24, Salvia, a flower, of natural size ; 24^, corolla laid 

 open. 



25, E'epeta Glechoma, Bentli., a flower, somewhat mag- 

 nified. 



26, Monarda, fistulosa, a flow^er, natural size. 



27, Leonurus Cardiaca, a flower, double the natural size. 



PLATE X. 



1, Kepeta cataria, a flower, magnified. 



2, Phjsostegia Yirginiana, a flower of natural size. 



3, Brmiella vulgaris, corolla ; Za, the calyx ; both mag- 

 nified ; 35, spiked flowers, of the natural size. 



4, Scutellaria iutegrifolia, a flower ; 4(^, calyx witli pis- 

 til ; both the natural size. 



6, Marrubium vulgare, corolla ; 5<5^, the calyx ; both 

 much enlarged. 



6, Galeopsis Tetrahit, a flower, the natural size. 



7, Stachys palustris, a flower of natural size. 



8, Lamium purpureum, a flower, magnified. 



9, Echium vulgare, a flower, natural size. 



10, Lycopsis arvensis, corolla magnified. 



11, Myosotis, a raceme of flowers of the natural size ; 

 11a, corolla laid open, showing the stamens and scales en- 

 larged ; 115, a flower more magnified. 



12, Cynoglossum ofiicinale, the calyx in fruit, natural 

 size. 



13, Ilydrophyllum Yirginicum, a flower ; 13^, the cap- 

 sule with the persistent style and calyx ; both of the natu- 

 ral size. 



