366 69. EUPHORBIACE^. 



t Euphorbia dulcis, Linn. 

 t Euphorbia salicifolia, Host. 



Area 15. 



Aliens. The first of these (variety ' purpurata ') is said 

 by the Rev. George Gordon to have escaped about Gordon 

 Castle and Grant Lodge gardens, in Moray. Mr. George 

 Lawson has reported the second as naturalized in Mains 

 Flowerj' Den, about two miles north from Dundee. See 

 Phytologist iii. 345, for particulars. 



975. Buxus SEMPERVIRENS, Linn. 



Area (1 2) 3 45* * (8* 10). 



South limit in Somerset ? Surrey, Kent. 



North limit in Bedford ? Bucks, Gloucester. 



Estimate of provinces 3. Estimate of counties 4. 



Latitude 51 — 52. Local (Germ.) type of distribution. 



Agrarian region. Inferagrarian zone. 



Descends to 100 yards, or lower, in Thames province. 



Ascends to 200 yards, more or less, in same province. 



Range of mean annual temperature, say 49 — 47. 



Denizen. Sylvestral. It is difficult to exhibit the dis- 

 tribution of this shrub by the fonnula. In the first place, 

 there is a doubt whether the box is truly a native shrub of 

 England. Secondly, if originally a native, it would seem 

 to have become extinct, or nearly so, in most of its natural 

 habitats. Unfortunately for the indirect evidence of its 

 nativity afforded by the names of places, as Box and Box 

 End, this English word has so many different meanings, 

 that its application to some places may have originated in 



