labiat.t;. 31 



B. Style entircly gynobasic. Nutlcts witli l-asal hilmns ancl generally smaller 

 scars, or rarely + liasal-dorsal liilums and apophyscs. 



a. Seeds transversal ; cml)ryo witli curved radicula lying on onc of the 

 cotylcdons: calyx Avith scutclhmi Scutdlarla. 



b. Seeds erect, embryo witli straiglit sliort radicula. 

 a. Stamcns ascending, j^atcnt or ercct. 



1. Anthers with parallel or divaricate hmg or ovate cells which 

 are not or very slightly connatc at thc apex into one, but 

 never turning iiat after disj)ersing poUcns. 



^ CoroDa cleeply 2-lipi)ed, with vcry clifferent lobcs ; upper 

 lips concave furnicatc. Anthers ovate. 

 ^ Stamens 4, the posterior lougcr tlian the anterior. 

 Anthers witli parallel or slightly divaricate cells. 



LopJiantJms. 



Anthers with divaricate cclls Glecoma. 



^^' Stamens 4, the posterior shortcr than tlie anterior. 

 ° Calyx 2-lipped, lowcr lip reclining agaiast the 

 upper lip and closing the throat ; corolla witli 



galeiformed upper lip Brunella. 



°^ Calyx tubiformcd campanuhxtc .j-10-toothed, 



more rarcly 2-lipped. Upper lip of the corona 



concavc, often galciformed rarcly ilat. 



° Upi)cr lij) of corolhx concave or galeiformcd, 



^enerally vcry mucli hairy. 



^' Style-branclies very unequal, tlie posterior 



much shorter tlian anterior Leucas. 



'^'*' Style-branches nearly equal or equaL 



t Nutlets + sliarply triangular with truu- 

 cate apex. 



Calyx-teeth ncjt spiny Lamium. 



Calyx-teeth spiny Leonurus. 



-j-f Nutlets with rounded ii^Qx....Stachys. 

 °^ Upper lip of corolla mostly short and flat 





