COLOR KEY 



3. neart-shape; petals 4, in two pairs 



Dutchman's-Breeches. White, tipped with pale yellow; spurs 



wide apart. Diccntra cucullaria. 

 Squirrel-Corn. White, tipped with pale pink; spurs rounded. 



Dicentra Canadensis. 



4. Petals, or perianth-segmeyits, normally 6 or more 



Smilicina. Flowers small, clustered at the top of a leafy stem. 

 Vagnera raccmosa. 



Three-Leaved Solomon's-Seal. Three shining leaves; a flower- 

 cluster at the top of the stem. Vagnera trifolia. 



Bloodroot. Buds protected by enfolding leaf. Sanguinaria 

 Canadensis. 



TwiNLEAF. Blossom not unlike that of Bloodroot; leaves cut 

 into two similar parts. Jefersonia diphylla. 



Mandrake. Flower always at the fork of two terminal leaves, 

 nodding. Podophyllum peltatum. 



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



1,2,3 



I. Salver-shape; border 4 or s-lohed 



Phlox. Normally pink; sometimes white. Phlox divaricata. 

 Bluets. Normally blue; sometimes white. Houstonia caerulea, 



2. Rotate, or short-tubed corolla 



Goose-Grass. Minute, 4-lobed. Stems cling because of re- 



trorse bristles. Galium aperine. 

 Star-Flower. Star-shape, usually 5 to 7-lobed; white, rarely 



pinkish. Trientalis Americana. 

 BucKBEAN. Plant of the bogs; 5-lobed; segments bearded. 



Menyanthes trijoliata. 



3. Composite head 



Dwarf Everlasting. Flowers either pistillate or staminate. 

 Heads very hairy. Antennaria plantaginifolia. 



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