ADAPTATIONS FOR POLLINATION 



171 



each student to take up the study of the arrangements for the utilization of insect 

 visitors in several of the groups above, numbered with Roman numerals. Ex- 

 planations of the adaptations can be found in the works cited by abbreviations at 

 the right. Knuth stands for Knuth-Davis's Handbook of Flower Pollination, 

 62; Lubbock, for British Wild Flowers, considered in Relation to Insects ; Gray, 

 for Gray's Structural Botany ; and Newell, for Miss Newell's Outlines of Lessons 

 in Botany, Part II. Consult also Weed's Ten New England Blossoms, and Kerner- 

 Oliver, 2. The Instructor may find it necessary to identify most of the species. 



