Dichotomous key
A: Conifer—Bin 1
A’: Not a conifer
B: Purple Flowers—Bin 2
B’: Not purple Flowers
C: Yellow flowers—Bin 3
C’: Other colored flowers—Bin 4
Dichotomous key
A: Conifer—Bin 1
A’: Not a conifer
B: Purple Flowers—Bin 2
B’: Not purple Flowers
C: Yellow flowers—Bin 3
C’: Other colored flowers—Bin 4