50 VASCULAR PLANTS. 



4. Monardella, Benth. 



Limb of the corolla 2-labiate; upper lip 2- 

 cleft; lower 3-cleft; all the lobes narrow. Stam- 

 ens 4 straight, divergent, loculi of anthers at 

 last divergent or divaricate. 



2£. flowers rose-colored, white. 



5. Micromeria, Benth. 



Calyx tubular, 13-nerved, 5-dentate. Corolla 

 2-labiate. Stamens didynamous, ascending. 

 % . flowers white, rose-colored. 



6. Pogogyne, Benth. 



Calyx campanulate, 15-nerved, 5-dentate; 

 2 lower teeth much longer than the 3 upper. 

 Corolla 2-labiate. Stamens didynamous, ascend- 

 ing, convergent in pairs. Style villous. 



0. flowers blue, purple. 



7. Acanthomintha, Gray. 



Calyx tubular, 13-nerved, naked in the 

 throat; upper lip 3-dentate; lower 2-parted, 

 shorter; teeth spinulose. Corolla- tube exceed- 

 ing the calyx, naked; upper lip curved, entire 

 or 2-lobed; lower 3-lobed. Upper pair of sta- 

 mens sterile and shorter; lower ascending; an- 

 thers 2-locular; loculi divaricate. ."Bracts 

 thorny. 



0. flowers white, rosy. 



8. Sphacele, Benth. 



Calyx campanulate, enlarged in fruit, 10- 



