198 



SYSTEMATIC BOTANY. 



piperita. Many species are used as domestic medicines, 

 etc., as Pennyroyal {Sedeoma pulegioides), Hoarliound 



{Marrubium vulgare). 

 Thyme ( Thymus vul- 

 gar e), Sage {Salvia offi- 

 cinalis), Catnip (Nepeta 

 Cataria), etc. Several 

 species, grown as orna- 

 mental plants, belong 

 to the genera Salvia, 

 Cedronella (Fig. 307), 

 Coleus, etc. 



307 2. Verbenaceas. 



Vervain family ; herbs, shrubs, and trees, mostly square 

 stems. The ovary is not four-lobed, and the plants are 

 seldom aromatic. Among its ornamental representatives 

 are various species of Verbena, from South America ; the 

 Lemon Verbena {lAppia eitroidora), from Chili ; several 

 species of Lantana, from Tropical America ; and of Clero- 

 dendron, from Asia and South America (Fig. 308). The 



gigantic Teak-tree of India {Tectona grandis), furnishes 

 a yellowish, durable wood, much used in ship building. 



Fig. 307. Cedronella, an ornamental plant. Fig. 308, Clcrodendron Thompsonice. 



