41 
Fi J. 12. Picea polila in the pure stand near Lake Yamanaka. 
(Photographed by the author). 
growth. Towards the end of this beautiful formation, the forest 
becomes thinner and thinner until it gives way to the stretches 
of dwarf red pines. The accompanying photograph will give 
some idea of this pure stand. 
We have one more forest-formation pushing down to this 
side of the prairie region. Looking at the northern area a little 
above, we see a stream of the Kenmarubi lava which is crowned, 
in the upper, with a Conifer forest, composed of Picea and Abies 
