RICHARDSON—ON TWISTING OF LEAVES 
Fie. 6 
fic. 9 
Fic. 10 
Figs. 6 and 7. Arrangements in flat-leaved silver fir, 7 suga Sieboldi, and Douglas fir 
c 
Figs. 8 and 9, Arrangements in flat-leaved spruce. 
Fig. 10. Arrangement in 7suga canadensis, Ts. Mertensiana, and others. 
