JOURNAL 
OF 
The New York Botanical Garden 
Vou. XVII September, 1916 No. 201 
THE INTERMITTENT ANNUAL GROWTH OF WOODY 
PLANTS 
(WITH PLATE CLX XVIII) 
st woody perennials the extent of annual somes in 
n 
0 
deciduous trees and shrubs the fact that only the new growt 
development in respect to elongation he ahs may be sta 
asfollows. In spring lateral buds shed cae 
scales and the seasonal elongation of nee from these buds is a 
rather cont: us process of growth here is, how 
wood and bu ithstand winter conditions. some 
, for instance sumach, the growing period is so 
prolonged that ends of twigs, unable to endure winter condi- 
e is 
so short that long before midsummer has arrived ve elongation 
{Journal for August (17: 111-146) was issued Sept. 12, 1916] 
147 
