4o8 



Bulletin 75. 



prosecuted vigorously and systematically and with the full sup- 

 port of the entire community. 



Trees may be set in the very places from which yellows trees 

 have just been removed, with entire safet}^ 



The disease is readily communicated to nursery stock by af- 

 fected buds, even by buds from those branches of affected trees 

 which do not yet show any signs of the yellows. 



Pits from affected trees — when viable — may be expected to 

 propagate the disease. 



L. H. BAII.EY. 



Yellows ''tip" on a watersproiit. 



