COLOR KEY 



B. Corolla irregular; petals dissimilar, i, 2 



I. Violel-shapc; petals 5 



Downy Yellow Violet. Viola puhcsccns. 

 Smooth Yellow Violet. Viola scabruscula. 

 Halberd-Leaved Violet. Viola hastata. 

 Round-Leaved Violet. Viola rotundijolia. 



2. Orchid-shape ; petals 3, one a pouch 

 Yellow Lady's-Slipper. Cypripcdium pubescens. 



C. Corolla or perianth of parts grown together, making 



one piece, i, 2 



I. Perianth slender bell-shape 



Solomon's-Seal. Yellowish green, in pairs along a leafy stem. 

 Polygonatmn bijiorum. 



2. Composite heads 



Dandelion. All florets strap-shaped; that is, ray-florets. Tarax- 

 acum dens-leonis. 



Golden Ragwort. Disk of tubular florets; border of ray-florets. 

 Senecio aureus. 



Coltsfoot. Disk of tubular florets; ray-florets in several rows. 

 Tussilago farfara. 



FLOWERS RED, RED AND YELLOW, BROWNISH 

 RED, OR BROWNISH PURPLE. A, B 



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



Wild Columbine. Red and yellow; petals trumpet-shaped, 5. 



Aquilegia Canadensis. 

 Ill-Scented Trillium. Madder-red; petals 3. Trillium erec- 



tum. 

 Wild Ginger. Brownish purple; petal-like sepals, 3. Entire 



plant has the taste of ginger. Asarum Canadense. 

 Red Sorrel. Greenish, red, or yellow; sepals 4 to 6, persistent. 



Rumex acetosella. 



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