August, 1945 



Carter: Wetwood of Elms 



415 



grayish brown streaks that are especially 

 noticeable in the spring wood, fig. 12. 

 These streaks originate in the trunk and 

 spread out into the branches. However, 

 they usually do not reach the branch tips. 

 Where grayish brown streaks are abun- 

 dant, they may appear as solid brown rings 



in the wood of one or more seasons, but 

 usually only in current-season wood, which 

 usually appears water-soaked when freshly 

 cut. Branches so affected may die, fig. 

 13. In some trees affected with wetwood, 

 very few branches die. In others, scattered 

 branches die, a few each year, and the 



^^^ It 



Fig. 14. — Wetwood-atfected elm, which shows general decline, especially of lower branches. 



