80 



looking upward at the roof, but none for 

 looking sideways at the race. But the 

 merit of this principle is very apparent in 

 the step stands^ in green-houses ; though 

 probably the origin of these stands may be, 

 the greater facility they give to see and to 

 water the plants. But if the plants stood 

 on the area of the base of the stand each 

 would be shaded all round by its neigh- 

 bours, and would receive light only from 

 above. The base of what is called in 

 Hampshire " a hanger," or a hanging 

 wood, would not support as many trees 

 with as full heads as stand on the hill 

 side. Let us conceive these — 



Densas, umbrosa, cacumina, fagos — 



to be sunk vertically downward from their 

 beautiful gradations till their roots shall 

 stand on the base of the hanger ; the 

 long one-sided columns of green will be 

 submerged, smothered, and killed below 

 the one common level of the tops, and 



