151 
year’s growth. The branches shown are quite representative of 
th ah Aa t } . re Asie. | 
The resumption of growth for the third time was also observed 
s n respe ot. 
the high total precipitation, and to the lack of any extended 
periods of hot and dry weather. Th i as favorable 
for excessive es continueus is ewe of all i ion, and m 
of such g: or this season, at least, re 
intermittent ode growth noted above has been, in a sense, 
c mi 
year of rather unusually favorable conditions for continuous 
growth, resumption of growth for two or more periods of elonga- 
tion. 
It should be noted that the habit of intermittent seasonal 
growth is very definitely fixed in various oaks growing in certain 
localities. Some varieties, especially developed at the famous 
pat ? nurseries near Be lin, Germany, are noteworthy in that 
th g leave: 
= iene pees variegated leaves. These varieties, 
a identl e parent species as well, produce unde 
climatic conditions of many, constantly year after year, the 
(0) f 1 In thes ses tl it seems to be in a 
crops of lea 
se degree Fein of the minor variations within the 
seasons 
[ 
a woody ene may be due 
than those to which the species Has Deen subjected in ne Bast hie 
tory. Such growth i which the first 
period of ieee is of enone duration and ed to vel aly 
spring; this suggests 
shorter eee period than now exists in such a dlimate as that 
about New York City. Still it is to be recognized that not all 
