GENERAL INDEX. 



Acontia luctuosa, with pollen-masses, 23. 

 Adam and Eve, see A plectrum hyemale. 

 Adder's-mouth, see Microstylis. 



" Microstylis, see Microstylis 



oph ioglossoides. 

 " Pogonia, sec P. ophioglossoidcs. 



Adder's Violet, see Goodycra. 

 Allen, Grant, forms of leaves, 28 ; //. viridis, 

 45;£. Lwselii, 65; S.Romanzoviana, 

 105; Yellow Lady's Slipper, 133. 

 Angr<rcum scsquipedale, Darwin's account of, 



25- 



Anther, explanation of term, 7. 



Aplcctrum, Nuttall, 74. 



Aplectrum hyemale, Nuttall, 74; illustration, 71. 



Arcthusa, Linna;us, 54. 



. 1 rethusa bulbosa, Linnasus, 53; peculiar forms, 



54 ; fertilization, 55 ; illustrations. 



5*. 54- 

 Arethuseae, peculiar forms, 57. 

 Auricles or crests, rudimentary, 116. 



Bailey, Prof. W. W., poem, Calypso, 53. 



Barton, W. P. C, C. acaule,2g;L. cordata, $%;A . 

 hyemale, 74; P. ophioglossoides, 85. 



Bastin, Prof. E. S., C. spectabile, curious form 

 of, 76. 



Bees, fertilizers of Orchids with short nectaries, 

 24; fertilizers of Cpubescens, 35, 36; 

 Andrena parvula, 35; Halicta, 36; 

 Augochlora, 36 ; fertilizers of spe- 

 cies of Platanthera, 39 ; attracted 

 by certain colors, 45, 46; possessed 

 of poor sight. 46 ; fertilizers of A. 

 bulbosa. 55 ; of Listera, 64 ; of //. 

 orbiculata, 102 ; of Spiranthes, 109 ; 

 with attached pollen-masses, hi; 

 112; fertilizers of G. repens, 120, 126. 



Beetles, pollen-devouring, 23 ; in labellum of 

 Cpubescens, 36; avoiders of certain 

 colors, C3 ; grammoptera Iwvis with 

 attached pollen-masses, illustration, 

 59 ; fertilizers of C. spectabile, 73. 



Bentham, Dr. George, on Cypripedium, 26 ; 5. 

 Romanzoviana, 106. 



Bracted Green Orchis, see Habenaria viridis, 

 var. bracteata. 



Britton, Dr. N. L., on root of 5". gracilis, 106. 



Broad-leaved Spiranthes, see S. lati/olia. 



Broad-leaved Ladies' Tresses, same as above. 



Butterflies, fertilizers of Orchids v.-ith long nec- 

 taries, 24 ; of //. Ilookeri, 41 ; at- 

 tracted by certain colors, 46. 



Burroughs, John, on Cypripedium, ^>, 38; Are- 

 thusa, 54; Calopogon, 85. 



Calopogon, R. Brown, 80. 



Calopogon pulchellus, R. Brown, 79-84 ; fertili- 

 zation, 84; illustrations, 80, 81. 



Calypso, Salisbury, 49. 



Calypso borealis, Salisbury, 46-53 ; related to 

 Liparis and Microstylis, 49; poems, 

 53, 134; illustration, 47. 



Camel's-foot, see Cyp. acaule. 



Caudicles of pollinia, explanation of term, 21; 

 description of their contraction in 

 O. spectabilis, 22 ; rudimentary in 

 Goodycra, 123. 



Changes effected by insects, 63. 



Characteristics of Orchids, 6-9. 



Clinandrum or membranous cup, in P. ophio- 

 glossoides, 86; in Spiranthes, 108; in 

 Malaxis, 115, 116; in Goodyera, 119, 

 120. 



Colors of Flowers, Grant Allen on, 45; attract- 

 ive to insects, 45; to beetles, 63. 



Column, explanation of term, 7. 



Corallorhiza, Haller, 73; illustration, 73. 



Corallorhiza innata, R. Brown, 73. 



" multiflora, Nuttall, 89 ; illustra- 



tion, 71. 

 " odontorhiza, Nuttall, 73. 



" verna, Nuttall, see C. innata. 



" Wistariana, Conrad, see C. odont- 



orh iza . 



Coral-root, see Corallorhiza. 



Coral-tooth, " " 



Cranefiy Orchis, see Tipularia. 



Creeping Goodyera see Goodyera repeiu. 



Crest, medial, or process, in Ophrys, 41 ; Her- 

 minium monorchis, 42. 



Cultivation of Orchids, 128-133. 



Cypripedium, Linnaeus, 27; distinguished from 

 other genera, 26, 37 ; fertilization, 

 28; translucent spots on labellum. 

 36; comparative abundance of spe- 

 cies, 38: illustration, 27. 



