358 BOTANICAL GAZETTE [NOVEMBER 
The number of cells was surprisingly the same in 1895 and 1896, 
though the difference in size was very great. The leaves of 1897 were 
exceptionally thrifty in all respects. The larger leaves contained more 
resin ducts. This plant was transplanted rather late, when the leaves 
CONCOMITANT DWARFING OF STEMS AND LEAVES OF CONIFERS. 
I. Picea alba; 
2. Abies balsamea; 3. Pinus Strobus; 4. Tsuga Canadensis ; 
5. Picea pungens; 6. Picea nigra; 7. Pinus Austriaca; 8. Taxus baccata. 
of deciduous trees were beginning to grow, probably about the first 
of April. The exact date is not known, and is not important because 
it would indicate a definite stage in development only for the one yeat 
and locality. The fact that the trees did not have their growth checked 
