254 



THE FLORA. 



Order LXXXIX. LABIATJE. Labiate Plants. 



Herbs with square stems, and opposite, aromatic leaves ; 



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



corolla labiate (rarely regular), the upper lip 2-cleft or entire, overlapping 



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

 ovary deeply i-lobed, forming in. fruit 4 hard nuts or achenia. 



Fig. 680. Monarda didyma. 1. An anther enlarged. 2. Flower of Hemp Nettle (Galeop- 

 «m). 3. One of its stamens much enlarged. 4. The calyx opened, showing the 4 achenia. 

 5. Flower of Sage (Salvia). 6. Flower of Ocimum basilicum. 7. Flower of Ncpeta Glechoma. 

 8. A pair of tlie anthers forming a cross. 9. Flower of Physostegia Tirginica seen from beneath. 

 Fig. 69(1. One of its stamens. 1. Its ovaries with the rudimentary i51ament. 2. Flower of Teu- 

 crlum Oanadense. 3. Flower of Oatnep (Mepeta Cataria). 4. One of its anthers. 5. Dittany 

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



