LIST OF PLATES 
PAGE 
Pasture Thistle {Cirsium pumilum) Frontispiece 
Cucumber Root {Medeola virginiana) 22 
Dog's-Tooth Violet {Erythronium americanum) 40 
Moth Mullein {Verbascum Blaltaria) 60 
BuTTONBUSH {Cephalanthus occidentalis) 9^ 
Arrow-head {Sagitlaria latifolia) 120 
Bugbane {Cimicifuga racemosa) I34 
Tall Meadow Rue (Thalictrum polygamum) 140 
" The Floating Down of a Milkweed Pod " 198 
Trailing Arbutus {Epigcea repens) 204 
Pink Lady's Slipper (Cypripedium acaiile) 222 
Self-heal {Prunella vulgaris) 234 
Wild Lupine (Lupinus perennis) 268 
Wood Lily {Lilium philadelphicum) 290 
False Solomon's Seal {Smilacina racemosa) 340 
Solomon's Seal (Polygondtum hiflonim) 358 
May Apple {Podophyllum peltatum) 37^ 
