DICOTYLEDONES. 37 



region between the 60th and 40th degree of Latitude 

 is most abundant in plants of this Order. 



18. The Order of Borage (Boraginece) extends 

 from the limit of snow to the Torrid Zone. It ap- 

 pears first in the neighbourhood of the Alpine snows, 

 in single herbaceous plants ; as in the Perennial 

 Mouse- ear (Myosotis perennis) ; and continues, for 

 the most part, in the same state in the Temperate 

 Zone, especially the Genera of the Mouse-ear (Myo- 

 sotis), Hound's-tongue (Cynoglossum), Bugloss (An- 

 chusci), Lungwort (Pulmonariti), Wryneck (Lycopsis), 

 Borage (Borago\ small Wild Bugloss (Asperugo), 

 Comfrey (Sympkytum), Viper's Bugloss (Echium), 

 Gromwell (Lithospermum), and Turnsole (Heliotro- 

 piu?n.) In the warm countries, shrubby and arbo- 

 reous plants are related to this Order. The middle 

 of the Temperate Zones may be considered as their 



native country. 



19. The Order of the Onagr<z begins in the neigh- 

 bourhood of the snow-line, with herbaceous plants ; 

 and continues, for the most part, in that quality in 

 the Temperate Zone ; but in the warm countries 

 it contains several shrubs and trees. On the Alps are 

 found of this Order, the Mountain-Enchanter's Night- 

 shade (Circcea alpina), and the Mountain- Willow-herb 

 (Epilobium alpinum) ; in the Temperate Zone, the 



