COLOR KEY 



Trailing Arbutus. Pink varying to white. EplgcBa repens. 

 Pyxie. Flowers pink or white. Pyxidanthcra barbulata. 



2. Corolla two-lipped 

 Dead-Nettles. Flowers purplish or pink or white. Lamium. 



3. Composite heads 

 Fleabanes. Disks yellow; ray-florets many, pinkish. Erigeron, 



FLOWERS VIOLET-BLUE, BLUE, BLUE AND WHITE. 



A, B 



A. Corolla irregular; petals dissimilar, i 



I. Violet-shape ; petals 5 



Common Blue Violet. Common stemless species. Viola cucul- 



lata. 

 Bird's-Foot Violet. Leaves finely cut; flowers often of two 



colors. Viola pedata. 

 Dog- Violet. An early form. Viola Lahradorica. 

 Long- Spurred Violet. Pale blue with long spurs. Viola ros- 



trata. 



B. Corolla of parts grown together, making one piece 



Grape-Hyacinth. An escape from gardens. Muscari hotryoides. 

 Wild Hyacinth. Pale blue; segments almost separate. Qua- 



masia hyacinthina. 

 Bluebells. Deep blue, pink in bed. Mertensia Virginica. 

 Greek Valerian. Blue, rarely white. Polemoniiim reptans. 

 Water-Leaf. Pale blue or white; calyx with long white hairs. 



Hydrophyllum Virginiciim. 

 Periwinkle. Blue, escaped from gardens. Vinca minor. 

 Bluets. Pale blue varying to white. Houstonia coerulea. 

 Speedwells. White-centred, pale blue, small flowers. Veronica. 

 CoLLiNSiA. Two-lipped; upper lip usually white; lower lip blue. 



Collinsia verna. 

 Ground-Ivy. Two-lipped, bluish purple. Glecoma hederacea. 



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