Class XIV. Order I. 14*1 



Class XIV. DIDYNAMIA. Four stamens, 

 two long and two short. 



Order I. GYMNOSPERMM. Seeds naked. 

 A. Calyxes mostly Jive deft. 



173. GLECHOMA. Anthers approaching each 

 other in pairs, each pair forming a cross. 



174. MENTHA. Corolla nearly equal, four 

 cleft ; the broadest segment notched ; stamens 

 straight, distant. 



175. TEUCRIUM. Corolla without any upper 

 lip ; stamens projecting through a fissure in the 

 upper side of the tube ; sides of the fissure divari- 

 cate. 



176. LEONURUS. Corolla with the upper lip 

 erect, concave, undivided, hairy ; lower lip three 

 parted, with the middle segment undivided ; sta- 

 mens longer than the orifice. 



177. STACHYS. Corolla with the lateral seg- 

 ments of the lower lip reflected at the side ; sta- 

 mens when old bent outwards. 



178. NEPETA. Corolla with the lower lip ere- 

 nate ; the orifice with a reflected margin ; stamens 

 approximate. 



179. BRACHYSTEMUM. Tube of the corolla as 

 long as the calyx ; orifice without hairs ; stamens 

 nearly equal, very short, included in the corolla. 



180. PYCNANTHEMUM. Tube of the corolla as 



