155 



A LIST OF MID-EUEOPEAN OAK OALLS, WITH BEIEF 

 CHAEACTEEISTICS, AND POSITION THE GALL 

 OCCUPIES ON THE TEEE. 



It is not improbable that some of these species may occur in 

 Britain. 



ABBEEVIATIONS— 



Of Authors' Names : Bur. Burmeister. Can. Canestrini. Foe. Focketi. 

 Fon. Fonscolombe. Fre. Freymoiith. G-ir. Giraiid. Hey. Heyden. Htg. 

 Hartig. Kie. Kieffer. Kol. Kollari. Lie. Lichtenstein. Lin. Linnseiis. 

 Low. F. Low. May. Mayr. Nal. Nalepa. Etz. Ratzeburg. Sch. Schlech- 

 tendal. Tro. Trotter. Tsc. Tschek. Wac. Watchl. 



Of Characteristics : Glab. glabrous. Greg, gregarious. Pedixn. pedun- 

 culated. Pub. pubescent. Pluri. pluriloctilar. Uni. unilocular. 



Of Position of Gall : up. s. vipper-sui-face. un. s. under-surface. 1. leaf, 

 ax. axillary, t. terminal, un. g. underground. 



The different species of Quercus are indicated by these figures : 

 1. pedunculata. 2. sessilijiora. 3. pubescens. 4. cerris. 5. Ilex. 6. cocci- 

 fera. 7. pseudo-suher. 



