BTTMBLEBEE-FLOWERS 



Other native humming-bird flowers are the cardinal-flower, 

 the trumpet-honeysuckle, the painted cup, and the trumpet- 

 flower; but Ijird-flowers are not common in North America, 

 although abundant in tropical South America. 



Another common bumblebee-flower is the garden-nasturtium. 



Fig. 38. White Garden-Columbine. Aquilegia vulgaris 

 A bumblebee-flower 



The lower part of each petal is marked with red, which serves 

 as a guide to the nectar; while the claws of the lower petals are 

 fringed with hairs which prevent water from running into the 

 spur. Honey-bees cannot reach the nectar, although they 

 occasionally attempt to do so, for only bumblebees with the 



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