INDEX 



Aceras Anthropophora, 9. 

 Achroanthes, 120. 



Key to species, 122. 



monophylla, 122. 



unifolia, 123. 

 Adam-and-Eve, 151. 

 Adder' s-mouth, 120. 

 Aerial roots, xiv. 

 Aplectrum spicatum, 151. 

 Arethusa, 66. 



bulbosa, 78. 



of Australia, 66. 



Baldwin on "The Orchids of New 



England," vi. 

 Bog Orchis, Small Northern, 33. 

 Botanical Club of Am. Assoc, for 



Advancement of Science, ix. 

 Botanical Congress, viii. 

 British bee and foreign orchid, 67. 

 Britton and Brown's "Illustrated 



Flora," ix. 

 Broad-lipped Twayblade, 108. 

 Burroughs, John, 16. 



Calypso bulbosa, 130. 



Caterpillar protected by blossom, 



54- 

 Chlorophyl, xiii, 134. 

 Coralroot, 133. 

 Corallorhiza, 133. 



Corallorhiza, 139. 



Key to species, 138. 



multiflora, 137, 141. 



Corallorhiza 



odontorhiza, 140. 



striata, 143. 



Wisteriana, 140. 

 Crane-fly Orchis, 145. 

 Crested coralroot, 150. 



Yellow Orchis, 47. 

 Cross fertilisation, xviii. 

 Cypripedia of Europe, 13. 

 Cypripedium, 3. 



acaule, 10. 



arietinum, 8. 



candidum, 14. 



hirsutum, 15. 



Key to species, 8. 



pubescens, 16. 



reginae, 11. 



Darwin, vi. 



Darwin's experiments with gyro- 

 stachys, 88. 

 observations on Listera, 105. 

 Dead insects in the blossom, 13. 

 Downy Rattlesnake Plantain, 116. 

 Dwarf Orchis, 33. 



Early Coralroot, 139. 

 Epipactis latifolia, 83. 



viridiflora, 82. 

 Espiritu Santo, 9. 



Fen Orchis, 128. 



Fragrant Lady's-Tresses, 97. 



Fringed Orchis, Large Purple, 56. 



155 



