LABIATE. 81 



B. Style entirely gynobasic. Nutlets with basal hiluins and generally smaller 

 scars, or rarely + basal-dorsal hilums and apophyses. 

 a. Seeds transversal ; embryo with curved radicula lying on one of the 



cotyledons ; calyx with scutellum , Scutellaria. 



l>. Seeds erect, embryo with straight short radicula. 

 cc. Stamens ascending, patent or erect. 



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

 are not or very slightly connate at the apex into one, but 

 never turning flat after dispersing pollens. 



* Corolla deeply 2-lipped, with very different lobes ; upper 

 lips concave furnicate. Anthers ovate. 



* Stamens 4, the posterior longer than the anterior. 



Anthers with parallel or slightly divaricate cells. 



Lophardhus. 



Anthers with divaricate cells Glecoma. 



* Stamens 4, the posterior shorter than the anterior. 



D Calyx 2-lipped, lower lip reclining against the 

 upper lip and closing the throat ; corolla with 



galeiformed upper lip Brunella. 



m Calyx tubiformed campanulate 5-10-toothed, 

 more rarely 2-lipped. Upper lip of the corolla 

 concave, often galeiformed rarely flat. 

 Upper lip of corolla concave or galeiformed, 

 generally very much hairy. 

 * Style-branches very unequal, the posterior 



much shorter than anterior Leucas. 



** Style-branches nearly equal or equal. 



f Nutlets sharply triangular with trun- 

 cate apex. 



Calyx-teeth not spiny Lamium. 



Calyx-teeth spiny Leonurus. 



j-f Nutlets with rounded a,pex....Stachys. 

 00 Upper lip of corolla mostly short and flat 



