3<5 
THE PLANT WORLD. 
the other side kept, up a vigorous development in line with the 
general axis of growth, and so become separated from the other 
parts. The side towards which the curve turns is much thinner 
than the one on which the vigorous growth took place. 
Cross-sections of these specimens show that the pith cylinders 
have all united and formed one long flat pith-cavity, as far as 
Fig. 14.—Fasciated cherry twigs. 
the adhesion is complete. The rational deduction appears to be 
that a fasciation is the coalescence of some or all of the growth, 
of the growing points, of a given plant or branch. Had not these 
adhesions taken place our specimens would probably have been 
vigorous young trees, with from twenty-five to perhaps one hun¬ 
dred thrifty branches. 
