LIST OF ILLUSTRATIONS 



Larger Blue Flag . . . . 



Pickerel-weed .... 



Liverwort and Purple Violet 



Wild Lupine 



Bluets and Bird's-foot Violet 

 Fringed and Closed Gentians 

 Viper's Bugloss .... 

 Robin's Plantain and Blue Vervain 

 Iron-weed and Self-heal 

 Hyssop Skullcap, and Monkey-flower 

 Card Teasel . . . . . 



Harebell 



Chicory and Great Lobelia . 



New England and Late Purple Asters 



Bur and Pasture Thistles 



Moccasin Flower .... 



Showy Orchis . "" . 



Arethusa and Rose Pogonia . 



SOAPWORT AND SnaKEHEAD 



Steeplebush and Purple Raspberry 



Goat's-rue ..... 



Fringed and Purple Milkworts 



Swamp Rose Mallow 



xi 



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