380 LABIAT.E 



Several species of Sage {Salvia) are also cultivated for the sake of 

 their brilliantl)' coloured blossoms. 



* Stamens 4, distant, the two upper shorter ;iiiillets jree, smooth or 



nearly so 

 t Corolla subregidar : stamens spreading 



1. Mentha. — All four stamens perfect. 



2. Lycopus. — Two upper stamens abortei^. 



it Corolla 2-lipped 



3. ORfcANUM. — Calyx with 5 equal teeth ; stamens diverging. 



4. Thymus. — Prostrate ; leaves amall ; calyx 2-Iipped ; stamens 

 diverging. 



5. Clinopodiuai. — Corolla-tulje straight ; stamens converging at 

 their tips. 



*6. MEi.fssA, — Corolla-tube curved ; stamens converging at 

 their tips. 



** Staniens 2 ; anthers distraeiile ; nntlets Jree, smooth or 

 iiearlv so 



7. S.'\LVIA. — Calvx and corolla both 2-lipi:ied. 



*** Stamens ,|, the two upper longer ; nutlets free, smooth 



8. Nepeta. — 0(/)'.v with 5 nearly equal teeth; corolla with flat 

 upper lip. 



**** Stamens 4. parallel . the 2 upf>er shorter ; nutlets free 

 t Calvx 2-lipped 

 y. Scutii;ll,\ria. Calyx closing over the fruit ; 2 lower anthers 

 1 -chambered. 



10. Prunkle.a. Calyx closing over the fruit ; anthers all 

 2-chambered ; filamenls lorked. 



I I. JVlELiT'ns. — Calyx inllateJ : anthers exserted. 



ft Calyx with 5 — 10 equal or siih-ei/ual teeth 



12. Marruijium. — Cedyx tubular, lo-toothrd ; anthers included. 



13. Stachvs. — Calyx sub-campanulate, wuh 5 equal teeth ; 

 anthers smooth, bursting lengthwise. 



14. (jAI.eiU'SIS. — Calyx sub-campanulate, with 5 pricklv teeth ; 

 anthers fringed, bursting transverscl)'. 



"•■15. Ll';oNi'!RUs. — f'fj/v.v sub-campanulate, with 5 jirickly teeth ; 

 anthers smooth, warty, burstuig lengthwise. 



16. f^.AMiu.AE — Cu/j'.v sub-campanulate, 5-toothed ; anthers hairy, 

 bursting lengthwise. 



