INDEX OF ILLUSTRATIONS. 
POPULAR NAMES WILL BE FOUND IN GENERAL INDEX. 
Acontia luctuosa (from Darwin), 23. Liparis lilufolia, 65. 
Aplectrum hy male, 7:. **  Leeselii, 61, 64. 
Arethusa bulbosa, 51, 54 (from Gray). Listera convallarioides, 61,64, 
Calopogon pulchellus, 86, 82. “ cordata, 61. 
ab 
Calypso borealis, 47. ovata (from Miiller), so. 
Corallorhiza (root), 73. 
ve multiflora, 7z. Microstylis monophyllos, 89. 
Cypripedium, 27. “ ophioglossoides, 89. 
acaule, 33. 
Orchis mascula (from Darwin), 2o. 
arietinum, 33. i" 
calceolus (from Miiller), 27. 
parviflorum, 27, 33. 
spectabile, frontispiece. 
rotundifolia, 5x. 
‘“* spectabilis, 18, 25. 
Peristylus viridis (from Darwin), 44. 
Goodyera pubescens, zzz, 126. Pogonia ophioglossoides, 81. 
. repens, 21. ‘pendula, x18. 
Habenaria chlorantha (from Darwin), 4. “ -verticillata, 55. 
‘ ciharis, 114, 116, 
. dilatata, 67. Section of the flower of an Orchid (from Dar. 
fimbriata, 9s. win), 7. 
“ Hooker, 18, 4x. Sphynx drupiferarum (from Darwin), xo2. 
lacera (from Sweet), 116. Spiranthes autumnalis (from Darwin), 107. 
obtusata, 78. ‘“ cernua, 129. 
“ orbiculata, 99, 102 (from Gray). 6 gracilis, 129. 
“ psycodes, 99. ‘6 graminea, var., 103. 
‘e tridentata, 67. “ Romanzoviana, 103, 106, 
virescens, 98. 
viridis, var., 43, 44+ Tipularia discolor, gz, 159. 
