Bui. 32, Biological Survey, U. S. Dept. of Agriculture. 



Plate [|. 



SEEDS AND FRUITS EATEN BY GROSBEAKS. 



[1, WiM black cherry {Pruniis serotiua). 2, Hackberry {Cdtis orcidentalis). 3, Juneberry 

 {Amelanchier canadetiHs). 4, Pokeberry {Phytolacca dcraiKlrai. 5, Flowering dogwood 

 {Comas Jlorida). 6, Rongh-leaved dogwood {Vornus aaperifnlia). 7, Spiderwort ( Tra- 

 descantia virginiana) . 8. Summer grope ( Mtis xstircdis). 9, Indian fig {Opuntia opuv- 

 tia). 10. Bnr grass (Cpuclirus fribuloi'leii). 11, Button weed {Diodia teres). 12, Milk 

 thistle {Mariava manniana). 1, Natural size; 2. 5, 9, 10 (bur), magnified twice; 6, 7, 8, 

 11, 12, magnified three times; 3, 4. 10 (seeds), magnified four times.] 



