268 



THE FLORA. 



Order LXXXIX. LABIATE. Labiate Plants. 



Herbs with square stems, and opposite, aromatic 



Jlowers axillary, in verticils, sometimes as if in spikes or heads; 



corolla labiate (rarely regular), the upper lip 2-cleft or entire, Gv^erlapping 



in the iud the lower 3-cleft lip ; stamens 4, didynamous, or 2 ; 

 9fary deeply 4-lobed, forming m fruit 4 hard nuts or achenia. 



Fig. 580. Monarda didyma. 1. An anther enlarged. 2. Flower of Hemp Nettle {Galeop^ 

 sis). S. One of its stamens much enlarged. 4. The calyx opened, showing the 4 achenia 

 5. Flower of Sage {Sal/via). 6. Flower of Ocimuni basilicum. 7. Flower of Nepeta Glechonia. 

 8. A pair ef the anthers forming a cross. 9. Flower of Physostegia Virginioa seen from benentn. 

 Fiff. 590. One of its stamens. 1. Its ovaries with the rudimentary filament. 2. Flower of Teu- 

 crium Canadense. S. F\o\ver of Catnei) (N'epeta Cataria). 4. One of its anthers. 5. Dittany 

 {C'unila Mariana). 6. A calyx and style. 



