522 PROTECTION AGAINST INSOLATION. 



round their stumps planted up. Small narrow felling-areas 

 should be established, running from north-west to south-east, 

 as far as this can be done without danger from storms, so that 

 the young crops may get lateral shelter from the old wood to 

 the south-west of them. 



SECTION II. BAKK- SCORCHING. 

 1. External Appearance. 



The name bark-scorching* denotes a well-known malady of 

 trees, which generally occurs on the western or south-western 



Fig. 243. Transverse section of a beecli affected by bark-scorching, cut 12 feet 

 above the ground. The damage is limited to the sector a b c. 



sides of stems and in directions intermediate to them, the 

 W.S.W. side being the commonest seat of injury, while it only 

 exceptionally happens on the southern side of a tree. This 

 injury is first rendered visible by the drying up of the bark of 

 affected trees, which assumes a reddish colour, and then 



* The term bark-scorching is used in Somerville's translation of Hartig's 

 Diseases of Trees, anil is a better term than lnirk-hlixt<>>-, which has alivadv 

 been applied to diseases caused by fungi. 



