156 



INDEX— {Continued) 



Fringed Orchis 



Prairie White, 56. 



Smaller Purple, 59. 



White, 51. 



Yellow, 48. 

 Fringeless Purple Orchis, 63. 



Goethe's theory of metamorphosis, 



XV, 15. 

 Grass-leaved Lady's-Tresses, 98. 

 Grass-pink, 147. 

 Gray, Asa, vi. 

 Green Adder' s-mouth, 123. 



Orchis, Tall Leafy, 36. 



Wood Orchis, Small, 43. 

 Grew, Nehemias, xix. 

 Gyrostachys, 87. 



cernua, 95. 



Darwin's experiments, 88. 



gracilis, 100. 



Key to species, 91. 



odorata, 97. 



plantaginea, 94. 



pnecox, 98. 



Romanzoffiana, 92. 



simplex, 99. 



Habenaria, 24. 



blephariglottis, 51, 56. 

 bracteata, 42. 

 chlorantha, 31. 

 ciliaris, 47, 48, 53. 

 clavellata, 43. 

 cristata, 47. 

 dilatata, 39. 

 flava, 45. 

 grandiflora, 57. 

 Hookeriana, 30. 

 hyperborea, 36. 

 integra, 35, 41. 



Habenaria, Key to species, 27. 



lacera, 54. 



leuocophaea, 56. 



nivea, 34. 



obtusata, 33. 



orbiculata, 25, 29, 53. 



peramoena, 63. 



psycodes, 59. 

 Heart-leaved Twayblade, 109. 

 Helleborine, 82. 

 Hexalectris aphyllus, 150. 

 Hooded Lady's-Tresses, 92. 

 Hooker's Orchid, 30, 58. 

 Humboldt, xii. 



"Illustrated Flora," Britton and 



Brown, ix. 

 Insect agency, xix. 



Lady's-Slipper, 3. 



Tresses, 87. 

 Large Coralroot, 141. 



Purple Fringed Orchis, 56. 



Round-leaved Orchis, 29. 



Yellow Lady's-Slipper, 15. 



Twayblade, 127. 

 Leptorchis, 125. 



liUifolia, 127. 



Loeselii, 128. 

 Lesser Rattlesnake Plantain, 115. 

 Limodorum tuberosum, 147. 

 Linnaeus, viii, xix. 

 Listera, 103. 



convallarioides, 108. 



cordata, 109. 



Key to species, 107. 

 Little Lady's-Tresses, 99. 

 Loesel's Twayblade, 128. 

 Long-bracted Orchis, 42. 



