LAHIAT.T-:. 83 



.111(1 hecoming flat aftcr (lis})cr.sion of pollen.s. 



^ Antliers connatc later HsJioltzla. 



°° Anthers connato immcdiately, and at last flat. 



f Calyx ovateh' tulie-forracd 5-toothed. CoroUa 4-fld ; 



tlie antcrior h)bes most prominent Pogostenion. 



ff Calyx ov^ate-campamdate, 5-toothed. Corolla nearly 



equally 4-fid Dysophylla. 



/9. Stamens descending, lying on thc lowcr \\\) or involved Ity the 

 latter. 



1. Lower li)) short, strongly curved, sjicciformed, contractcd at 

 the basc Hyptls. 



2. Lower lij) longer, concavc or boat siiapcd, contracted at the 

 base, but iiot strongly curved. 



Fihimen ts all f rec Flectranthus. 



Filaments connate at tl le 1 lase Coleus. 



3. Lower li]) hardl}- longer, but nanow(.'r, than thc up})er lip, 

 flat or sliglitly concave. 



Mature calyx with entire inwardly curved lower-lip. 



Calyx iii fruit tubiformed ; verticillastcr not capitate. 



Mesona. 



VcrticiHaster capitate Acrocephalus. 



Maturc calyx with 2-toothed lower-lip. 



Verticil laster capitate icrocephalus. 



Verticil laster not capitatc Ocimum. 



AJttf/a LiNx. 



Key to spectes. 



1. Tjcaves nearly ghibrous obovate or rliorabic, olitusely dentatc or hibulate. 



1 . . / . dlctyocarpa. 



Leavcs liirsutc oliovat» '-s| tjithulate 2. 



2. Leaves repandous 2. A. bracteosa. 



Leav&s ol)tuse]y dentate A. genevensis. 



