1910] Graenicher, Bee-FUes in Their Relations to Flowers. 



93 



Altogether for the 4 flowers : 



White 75.0%. 

 Red 25.0%. 



4. Bombylius major L. 



Flowers visited: Aniennaria neglecta. White. 



llndbrrhia liirla. Yellow. 



Anthemis Cotula. White. 



Arctium Lappa,. Purple. 



Kanguinaria canadensis. White. 



Clayton ia virginica. Reddish. 



Ih patica acutilooa. Purplish. 



Cultlia palnstris. Yellow. 



Ranunculus septcntrionalis. Yellow. 



Vicia carol i ilia mi. Bluish. 



Carclainine DouglassiL Purplish. 



Prunus nigra. White. 



Isopyrum biternatum. White. 



Salix rostrata. Yellow. 

 Altogether for the 14 flowers: 



White and yellow 64.3%. 



Red, purple and blue 35.7%. 



5. Systoechus vulgaris Loew. 



Flowers visited : Eupatoriu in inirpiirciim. Purple. 



Solidago jiuicca. Yellow. 



Heliopsis sciltra. Yellow. 



Helianthus strumosus. Yellow. 



Verbena hastata. Blue. 



Blephilia hirsuta. White. 



Melilotus alba. White. 



Monaida fistulosa. Purplish. 



Teucrium (■■inadenxe. Reddish. 

 Alltogether for the 9 flowers : 



White and yellow 55.6%. 



Red, purple and blue 44.4%. 



6. Sparnopolius fulvus Wied. 



Flowers visited : Aster penicillatus. White. 

 Aster Drummondii. Blue. 

 Aster punicens. Blue. 

 Aster nor<r-angH<r. Purple. 



