Oak fig gall, 15 i o r h i z a f o r t i c o r n i s Walsh 



1 Infested leaves and twig 



2 Same more advanced and largely on twigs 



Pine cone oak gall, C y n i p s s t r o b i 1 a n a O. S. 



3 A gall at the end of a twig- 



Gouty oak galls, A n d r i c u s p u n c t a t u s Bass. 



4 Badly infested twigs 



