414 



XCIII. LABIATE. 



A 



FIG. 51.— 1. Monardadidyma. 2. An anther enl.^rged. 3. Flower of Galiopsis Tetrahit 4.0neofits 

 stamens, much enlarged. 5. The cahx opened, showing the 4 achenia. 6. Flower of Salvia Sclarea. 

 8. Flower ol'Ocimum basilicum. 9. Flower of Nepela Glechoma. 10. A pair of the anthers forming a 

 cross. 11. Flower of Physostegia Virginica seen from beneath. 12 One of its stamens. 13. The ovaries 

 with the rudimentary filament. 14. Flower of Teucrium Canadense. 15. Flower Nepeta Catana. 

 15. One of its anthers. 17. Cunila Mariana. 18. A calyx and style. 

 Conspectus of the Genera. * Flowers diandrous. 



4 Bracts whitish. . Blephilia. 8 



\ Corolla not yellow. { Bracts green. . . Hedemna. 18 



J Connectile erect, short. { Corolla yellow ColUnsonia. 16 



(bilabiate. { Connectile transverse, long ; anthers dimidiate Salvia. 9 



<, Herbs. . . . Cunila. 17 



^Upper lip emarginate. ^Shrubs. . . . Rosmarinus. 10 



t Corolla bilabiate. Hipper lip linear, embracing the filament. . Monarda. 7 



subequal. { Corolla subregular, 4-lobed Lycopus. 6 



* * Flowers didynamous. 



Calyx I 

 bilabiate, l 



("Tube of corolla J Stamens ascending. 

 J exserted 



( Lips of calyx i Filaments simple. 

 < toothed . ■ -i Filaments forked. 

 ' Lips of the calyx entire. 



Me.lissa. 



Prunella. 



Scutellaria. 



Tric/wstemma. 



Thymus. 



Origanum. 



Hysso-pus. 



I Stamens very long, arching the 5 cleft limb of corolla 



< Stamens scarcely exsert. 

 Tube of the corolla scarcely longer than calyx. I Stamens exserted. , 



5 equal. 

 ^ ( Cal. 15-nerVed, ^ oblique. Loplmnthvs. 



■§ ( Flowers ■] D^amce.phalwm. 25 



g (Bracts< spicate. ( Calyx 10-nerved. . . Satureja. 14 



g < green. ( Flowers capitate, involucrate. . Pycnanthemum.M 



3 ( Corolla bilabiate. ( Bracts colored Oris-anum. 12 



S rstamenserect< Corolla limb of 4 subequal lobes, one of them emarginate. . Mentha. 4 



o or divergent. ( Corolla limb of S equal lobes hanthus. 



> Calyx 5-ribbed. 

 (■Leaves crenate. (Calyx 15ribbed. 

 J S Plants glabrous. 



( included beneath 1 Leaves sharply serrate. \ Plants hairy. 

 2 1 Stamens as- ■; the upper lip. . . I Leaves entire, lance-linear and elliptic. 



^ cending and I e.xserted through the fissure of the upper lip of corolla 

 » ■! ij I Upper lip of the corolla 2-lobed, 



"2 u 4 Corolla not spurred. < Upper lip of the corolla 4-cleft. 



" 5 LStamens declinate. K'orolla tube spurred 



g, i Leaves t Lower lip of the corolla with 2 lateral teeth. 



"rt < undivided. \ Lower lip of the cor. with lateral lobes reflexed. Slachys. 



O ^ the teeth spinescent. t Leaves mostly 3-lobed Leonurvs. 



Ca yx 4-tpothed. Upper pair of anthers cohering, half empty Synandra. 



Calyx subentire, very largo, campanulate Mnlncella. 



Calyx 10-toothed, the alternate teeth shorter Marrvhivm 



Lamivm. 



Nepeta. 



Phy^osteg-ia. 



Ballota. 



Micromeria. 



Teucrium. 



LaiKindida. 



Ocimum. 



Plcclranthus. 



Gateopsis. 



