1909] Gracnicher, Wisconsin Flowers and Their Pollination. 61 



ALLOTROPOUS. 



Wasps : 158, 159, 167— all s. 



Flies: 266; 268; 350; 354; 357; 369; 377; 379; 392; 395; 398; 

 400; 401; 403; 406; 409; 410; 413; 416; 430; 441— all s. or f. p. 



Beetles : 520 ; 533 ; 534 ; 539— all s. or f . p. 



Bug's: 543; 545; 550; 552; 554; 556; 558— all s. 



Eutrop 5 = 7.3% 



Hemitrop 29 = 42.0% 



Allotrop 35 = 50.7% 



19. Erigeron philadelphicus L. Philadelphia Fleabane. 



This, the earliest of the species has been observed in bloom 

 from May 29 to July 28. The heads with their numerous reddis- 

 purple rays are quite showy. The bell of the discal floret has a 

 length of 1 24 mm., and a width of Ya mm. at its entrance, and the 

 lobes are somewhat divergent. The list of visitors is made up of 

 75 species. 



EUTROPOUS. 



Bees : 17, male and female, s. and e. p. ; 31, male, s. ; 35. male and 

 female, s. and c. p. ; 42, male, s. ; 44, female, s. and c. p. ; 45, female, s. ; 

 48, male, s. ; 49, female, s. ; 50, male and female, s. ; 59, female, s. ; 

 62, male, s. ; 66, male, s. ; 68, male, s. 



HEMITROPOUS. 



Bees : 70, female, s. ; 82, female, s. ; 83, female, s. and e. p. ; 90. 

 female, s. and c. p. ; 92, male, s. ; 100, female, s. and c. p. ; 102, female, 

 s. and c. p.; 106, female, s. and e. p.; 107, female, s. and c. p.; 112, 

 female, s. and c. p.; 116, female, s. and c. p.; 122, male and female, 

 s. and c. p. ; 123, female, s. ; 124, female, s. ; 134, male, s. ; 135, male, s. ; 

 136, female, s. and c. p. 



Wasps: 145; 147; 149; 196; 201— all s. 



Flies: 271; 288; 298; 300; 302; 303; 306; 307; 308; 310; 319; 

 332; 341— all s. or f. p. 



Butterflies and moths : 479 ; 480 ; 481 ; 496— all s. 



ALLOTROPOUS. 

 Wasp: 140, s. 



Flies : 256 ; 266 ; 268 ; 364 ; 376 ; 377 ; 395 ; 400 ; 410 ; 413 ; 415 ; 441— 

 all s. or f . p. 



Beetles : 519 ; 520 ; 524 ; 526 ; 534— all s. or f. p. 

 Bugs : 553 ; 554 ; 556 ; 557 ; 559— all s. 



Eutrop 13 = 17.3% 



Hemitrop 39 = 52.0% 



Allotrop 23 = 30.7% 



Antennaria Gaertn. 



All of the species are dioecious. 



