272 KANSAS UNIVERSITY SCIENCE BULLETIN. 



Genus Phylloxera Fonsc. 

 castanse Fitch. 



Castanea sativa americana. 

 conica Shimer. 



Carya alba, 

 depressa Shimer. 



Carya sp. 

 forcata Shimer. 



Carya amara. 

 gibbosa Shimer. 



Carya glabra, 

 minimum Shimer. 



Carya amara. 

 prolifera Oestl. 



Pemphigus populicaulis galls, 

 rileyi Licht. 



Quercus alba. 



bicolor. 

 obtusifolia. 

 spinosa Shimer. 



Carya amara. 

 vastatrix Planchon. 



Vitis cordifolia. 



Genus Rhopalosiphum Koch, 

 ampullata Buckton. 



Onoclea struthiopteris. 

 berberidis Kalt. 



Berberidis vulgaris, 

 dianthi Schrank. 



Asparagus officinalis. 



Caladium eseulentum, in greenhouse. 



Calla lily, in greenhouse. 



Carnation pink, in greenhouse. 



Catalpa, in greenhouse. 



Corn, cultivated. 



Crocus, garden, in greenhouse. 



Cyranthus annuns, in greenhouse. 



Gossypium herbaceum. 



Hibiscus, in greenhouse, 



Herera helix. 



German ivy. 



Iris pumila, in greenhouse. 



Lactuca scariola. 



Lilium sp., in greenhouse. 



Maurandia hendersoni, in greenhouse. 



Nicotina sp. 



Oxalis, cultivated, in greenhouse. 



Polianthus tuberosa, in greenhouse. 



Robina pseudocacia. 



Sonchus oleraceus. 



