THE 



AMERICAN NATURALIST. 



Vol. XXXVII. July, 1903. No. 439. 



THE COLORS OF NORTHERN GAMOPLTA L( >l S 

 FLOWERS {continued). 

 JOHN H. LOVELL. 



lines leading well down into the spur, which secretes the nectar. 

 According to Knuth, Heinsius found the flowers visited only by 

 long-tongued Syrphidae, the species Hchphilus lincatus being 

 most numerous. This is certainty surprising as the closed flow- 



thickly covered with sticky glands. } The flowers are violet- 

 443 



