36 
Fig. 8. Margin of the coniferous forest on the north side of the mountain. (Yoshida side) 
side but faintly represented. The only vegetation distingui- 
shable in the distance is the coniferous formation which surrounds 
the cone. 
d.) Plant-formation of Part IV. 
Turning our attention to the north-west side, let us consider 
the formation of Part IV. As is shown in the map annexed, 
the coniferous formation has here its most luxuriant growth. 
The Conifers stretch from the altitude of 2500 m. almost to the 
base. The deciduous forest is very poor and the prairie covers 
but a small area. A bird’s eye view from the top of the Ivonno 
pass shows this part clad with ever-green conifers stretching like 
a level sea mile after mile of dark purple broken only by the 
mouutain-range beyond. Broad leaved trees make patches here 
and there among the conifers, but are too scanty to produce any 
formation whatever. This coniferous region is called the “ Aogi- 
