XX 



LABIAT.i:. 81 



B. Style entirely gynobasic. Nutlets with basal hiluuis 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. 



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

 a. 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. 



Loplianthus. 



Anthers with divaricate cells Glecoina. 



Stamens 4, the posterior shorter than the anterior. 

 Calyx 2-lipped, lower lip reclining against the 

 upper lip and closing the throat ; corolla with 



galeifornied upper lip Brunella. 



00 Calyx tubiformed campanulate 5-10-toothed, 

 more rarely 2-lipped. Upper lip of the corolla 

 concave, often galeifornied rarely flat. 

 Upper lip of corolla concave or galeifornied, 

 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. 



ff Nutlets with rounded apex....ac//s. 

 00 Upper lip of corolla mostly short and flat 



