Fig. 17. 



Fig. 18. 



Fig. 19. 



Fig. 20. 



Fig. 21. 



Fie 22 



Various forms of foliage of Abies firma. 



Figs. 17, 18, 19 are from the lowlands, and Figs. 20, 21, 22 from the highlands of Nippon. Figs. 17 and 20 are from sterile, 



and Figs. 19 and 22 from fertile branches. All natural size. 



