LABI AIM-:. s:; 



and becoming flat after dispersion of pollens. 



Anthers connate later Klsltolhi". 



00 Anthers connate immediately, and at last flat. 



f Calyx ovatelv tube-formed 5-toothed. Corolla 4- fid : 



b +S 



the anterior lobes most prominent Pogostemon, 



ff Calyx ovate-campanulate, 5-toothed. Corolla nearly 



equally 4-fid Dysapkylla. 



ft. Stamens descending, lying on the lower lip or involved by the 

 latter. 

 1. Lower lip short, strongly curved, sacciformed, contracted at 



the base Hyptls. 



'2. Lower lip longer, concave or boat shaped, contracted at the 

 base, but not strongly curved. 



Filaments all free Plectranthits. 



Filaments connate at the base Coleus. 



3. Lower lip hardly longer, but narrower, than the upper lip, 

 flat or slightly concave. 



Mature calyx with entire inwardly curved lower-lip. 

 Calyx in fruit tubifornied ; verticil! aster not capitate. 



Mesona. 



Verticillaster capitate Acrocephalus. 



Mature calyx with 2-toothed lower-lip. 



Verticil laster capitate Acrocephalus. 



Verticillaster not capitate Ocimum. 



AJuga LINN. 



f 



Key to species. 



1. Leaves nearly glabrous obovate or rhombic, obtusely den'tatc <>r lolmlate. 

 1. A. dictyocarpa. 



Leaves hirsute obovate-s] >atlmlate '2. 



"2. Leaves repandous '2. A. bracteosa. 



Lraves obtusely dentate --/. yewvensia. 



