268 THE FLORA. 



ORDER LXXXIX. LABIATE. Labiate Plants. 



Herbs with square stems, and opposite, aromatic leaces ; 

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

 molla labiate (rarely regular), the upper lip 2-cleft or entire, o/erlapp 



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

 ovury deeply 4-lobed, forming \nfruit 4 hard nuts or achenia. 



591 



Fig. 580. Monarda didyma. 1. An anther enlarged. 2. Flower of Hemp Nettle (OaUap 

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

 6. Flower of Sage (Sulvia). 6. Flower of Ocimum basilicnm. 7. Flower of Nepeta Gl.-choina. 

 8. A pair of the anthers forming a cross. 9. Flower of IMiysosteda Virginica seen from beneatn. 

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

 crium Canadense. 8. Flower of Catnep (Nepeta Cataria). 4. Ono of its anther* 6. Dittany 

 (fjunihi Mariana). 6. A calyx and style. 



