170 Appendix II. 



Monothalamous : in May, waxy, not spongy, on twigs 

 on trunk or near ground, 5-7 mm. 



iQ^. Trigonaspis crustalis. 



Pilose and ovate. 

 Violet with short velvety pubescence in May or 

 June, 2-3 mm. 14^. Spathegaster Taschenbergi. 



Greenish, 2 mm. May and June. 



15*. Spathegaster similis. 



Like marbles, on twigs, dark green or brown, 

 1*5-3 cm., June — September. 24. Cynips Kollari. 

 Small ovate or elongate, dropping when mature : 

 Glabrous — 



Spindle-shaped, longish peduncle, 7-12 mm., 

 green with red ribs, July and August. 



11. Aphilotrix callidoma. 



Peduncle short, September and October, 6-8 mm. 



12. Aphilotrix Malpighii. 



Gall not enveloped in leaf-scales : 



Small, granular, 1-2 mm., green then brown, 

 June — August. 7^. Andricus gemmatus. 



Obovoid, green with white spots, pointed apex, 

 5-6 mm., May and June. 



23. Aphilotrix albopunctata. 



Gall wholly enveloped in leaf-scales : 



Hop-hke 20 mm. 10. Aphilotrix fecundatrix. 



Gall partially enveloped in leaf-scales : 



Gall pea-like, green, thin-walled, April or May. 



19^. Spathegaster aprilinus. 



Globular, tapering to apex, hard and woody, 

 September, 3-4 mm., green, smooth when young, 

 and reticulated when old, apex only appearing 

 beyond bud, blunt. 8. Aphilotrix globuli. 



Ovoid apex pointed and darker than rest of gall, 

 Sept. 9. Aphilotrix collaris. 



Apex not ending in dark point, October. 



13. Aphilotrix autumnalis. 



