HARPER'S GUIDE TO WILD FLOWERS 



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

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

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

 Slender Blue Flag (/. 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. parviflorurn) . 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. psycodcs). 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 cemuus). 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. pusillus). Page 164. Near the coast. 

 Cursed Crowfoot (R. sceleratus). Page 164. 



462 



