PIN-EYED 



PLATE 39 



■THRUM-EYED " 



FIG. 59— THE "PIN-EYED" AND ''THRUM-EYED" FORMS OF FLOWER 



PIN-EYED " 



THRUM-EYED" 



FIG. 60. —THE "PIN-EYED" AND "THRUM-EYED" FLOWERS IN SECTION 



