COLOR KEY 



B. Corolla of parts grown together, making one piece 



Wood Betony. Red and yellow; corolla two-lipped. Pedicu- 

 laris Canadensis. 



Scarlet Painted-Cup. Upper leaves of stem more or less scar- 

 let; corolla greenish yellow, two-lipped. Castilleja coccinea. 



FLOWERS PINK, PINK AND WHITE, PINK-PURPLE. 



A, B, C 



A. Corolla of several similar petals or petal-like sepals. 



1,2 



1 . Petals normally 4. Corolla cruciform 

 Purple Cress. Cardamine rhomboidea, var. purpurea. 



2. Petals normally 5. Corolla saucer-like. 



Hepatica. White, pale pink, lavender, blue; petal-like sepals, 

 5, often more. Hepatica acutiloba and Hepatica triloba. 



Wild Geranium. Pink-purple; petals veined. Geranium macii- 



latum. 

 Spring-Beauty, Pale pink with darker veins; flowers in a 



raceme. Claytonia Virginica. 



B. Corolla irregiilar; petals dissimilar, i, 2 



I. Modified pea-shape 



Alsike Clo\^r. Pink and white. Trifolium hybridum. 

 Red Clover. Purple-pink. Trifolium pratense. 



2. Orchid-shape 



Moccasin-Flower. Pink, veined with darker Hnes. Cypripe- 



dium acaule. 

 Showy Orchis. Pink and white. Galeorchis spectabilis. 



C. Corolla of parts grown together, making one piece. 



I, 2,3 



I. Corolla salver-shape ; border $-lobed 



Phlox. Pink varying to white. Phlox divaricata. 

 Moss-Pink. In cultivation. Phlox subulata. 



244 



