CROWN GALL 



Fig. 4. Crown-gall: 1, 2. on peach; 3. 4, two of the amceboid o-erms causing- crown-g-all, with successive fig-nres 

 showinfT constant change of form, drawn at intervals of two and one minutes respectivel}-; 5, 6, crown- 

 {ralls produced by artificial infection of almond seedlinfrs, the first bv inserting- bits of g-alls into slits 

 in the bark, the latter by mixing- the bits with the sand in which it was planted. 



