HARPER'S GUIDE TO WILD FLOWERS 



White Hellebore. Indian Poke {Veratrum viride). Page 23. 

 Three-leaved Solomon's Seal (Smilacina trijolia). Page 48. 

 Fleur-de-lis. Larger Blue Flag {Iris versicolor). Page 300. 

 Slender Blue Flag (7. prismatica). Page 371. Swamps near 



the coast. 

 Ram's Head Lady's Slipper {Cypripcdium arietinum) . Page 302 . 



Also in rich, moist woods. 

 Showy Lady's Slipper {C. hirsutum). Page 50. 

 Small White Lady's Slipper (C. candidum). The lip of this 



species is white, striped with purple near the base, within. 



Like the stemless lady's slipper the lip is a pocket or sac. 



Sepals and petals are greenish with purple spots. Stem, leafy, 



one-flowered. One of the rarer orchids, growing in swamps 



in New York and southward, flowering in May and June. 

 Smaller Yellow Lady's Slipper (C. parviflorum) . Page 159. 

 Rein Orchis (Habenaria flava). Page 23. Common south- 

 ward. 

 (H. obtusata). Page 23. Found also in rich woods. 

 Yellow Fringed Orchis {H. ciliaris). Page 162. Also in wet 



meadows. 

 White Fringed Orchis {H. blcphariglottis). Page 52. 

 Small Purple Fringed Orchis (H. psycodes). Page 246. In 



wet, open meadows. 

 Rose Pogonia {Pogonia ophioglossoides) . Page 248. 

 Calopogon {Calopogon pulchellus). Page 250. Also in low, wet 



meadows. 

 Arethusa {Arethusa bulbosa). Page 250. 

 Slender Ladies' Tresses {Spiranthes cernua). Page 54. 

 Twayblade {Listera cordata). Page 304. 

 Adder's Mouth {Microstylis monophyllos) . Page 24. Also in 



cold, moist woods. 

 Green Adder's Mouth (M. unifolia). Page 24. 

 Twayblade {Liparis Loeselii). Page 24. Local, found also in 



damp thickets. 

 Lizard's Tail (Saururus cernuus). Page 56. 

 Sweet Gale (Myrica Gale). Page 379. 

 Low or Swamp Birch {Betula pumila). Page 381. 

 Speckled or Hoary Alder (Alnus incana). Page 382. 

 Great Water Dock {Rumex Britannica). Page 26. 

 Swamp Dock {R. verticillatus) . Page 26. 

 Marsh Chickweed. Swamp Starwort {Stellaria uliginosa). 



Page 65. 

 Water Plantain Spearwort {Ranunculus laxicaulis). Page 164. 



Often in wet ditches. 

 Low Spearwort {R. fnisillus). Page 164. Near the coast. 

 Cursed Crowfoot (jR. sceleratus). Page 164. 



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