INDEX OF ILLUSTRATIONS. 



POPULAR NAMES WILL BE FOUND IN GENERAL INDEX. 



Acontia luctuosa (from Darwin), 23. 



Aplectrum hy male, 71. 



Arethusa bulbosa, 51, 54 (from Gray). 



Calopogon pulchellus, 80, 81. 



Calypso borealis, 47. 



Corallorhiza (root), 73. 



" multiflora, 71. 



Cypripedium, 27. 



acaule, 33. 

 arietinum, 33. 



calceolus (from Muller), 27. 

 parviflorum, 27, 33. 

 spectabile, frontispiece. 

 Goodyera pubescens, 121, 126. 



" repens, 121. 

 Habenaria chlorantha (from Darwin), 41. 

 " ciliaris, 114, 116. 



11 dilatata, 67. 



" fimbriata. 95. 



" Hookeri, 18, 41. 



" lacera (from Sweet), 116. 



" obtusata, 78. 



" orbiculata, 99, 102 (from Gray). 

 " psycodes, 99. 

 " tridentata, 67. 



" virescens, 98. 

 " viridis, var., 43, 44. 



Liparis liliifolia, 65. 



" Lceselii, 61, 64. 

 Listera convallarioides, 61,64. 



11 cordata. 61. 



" ovata (from Muller), 59 



Microstylis monophyllos, 89. 

 " ophioglossoides, 8g. 



Orchis mascula (from Darwin), 20. 

 " rotundifolia, 51. 

 " spectabilis, 18, 25. 



Peristylus viridis (from Darwin), 44. 

 Pogonia ophioglossoides, 81. 



" pendula, 118. 



" verticillata, 55. 



Section of the flower of an Orchid (from Dar- 

 win), 7. 

 Sphynx drupiferarum (from Darwin), 102. 

 Spiranthes autumnalis (from Darwin), 107. 



" cernua, 129. 



" gracilis. 129. 



" graminea, var., 103. 



" Romanzoviana, 103, 106. 



Tipularia discolor, 91, 159. 



