GENERAL INDEX. 



157 



Orchis, Feather-leaved, see H. blephari- 

 glottis. 

 " Flaming, see H. psycodes. 



Fringed, 93. 

 " Gay, see Orchis spectabilis. 



Greenish, see H. viresce7is. 

 " Green Fringed, see//", lacera. 



Large Purple Fringed, see H.fim- 

 briata. 

 '' Large Two-leaved, see H. orbicu- 



lata, Torrey. 

 Naked-gland, see Gymnadenia. 

 '' Northern Green, see //. hyperborea. 



" Northern White, see H. dilatata. 



" One-leaved, see H. obtusata. 



Round-leaved, see Orchis rotundi- 

 folia. 

 " Showy, see Orchis spectabilis. 



" Small Purple Fringed, see H. psy- 



codcs. 

 " Small Two-leaved, see H. Ilookeri. 



" Spring, see O. spectabilis. 



" Three-leaved, see H. tridentata. 



" True, 39. 



" White Fringed, see H. blephari- 



glottis. 

 " Yellow Fringed, see H. Ciliaris. 



Ovary, or Ovarium, explanation of term, 7. 



Papillae, in Cypripedium, 28. 

 Pedicel, Drum-like, 42, 102. 

 Peristylus viridis, 44; illustration, 44. 

 Phaneroptera curvicauda, 111. 

 Plantanthera dilatata, see//, dilatata. 



" Jimbriata, Lindley, see H. psycodes. 



" fava, Gray, see H. -virescens. 



holopetala, Lindley, see H. ble- 

 phariglottis. var. holopetala. 

 '' Hookcri, see H. Hooker i. 



" Huronensis, Lindley, see H. hyper- 



borea. 

 " psycodes, Lindley, see H. lacera. 



" rotundifolia, Lindley, see Orchis 



rotundifolia- 

 Platanthera, Richard, 39 ; conspicuousness of 



some species at night, 102. 

 Pogonia, Jussieu, 56 ; development of different 



species, 117. 

 Pogonia affinis, C. F. Austin, 56. 



" ophioglossoides, Nuttall, 80-85, 117; 



fertilization, 84; illustrations, 80,81. 



" pendicla, Lindley, 116; illustration, 



118. 

 " verticillata, Nuttall, 56, 117 ; note, 90 ; 

 illustration, 55. 

 Pogonia, Adder's-mouth, see P. ophioglossoides. 

 u Nodding, see P. pendula. 



" Pendent, same as above. 



" Snake-mouth, see P. ophioglossoides. 



" Whorled, see P. verticillata. 

 Pollen-mass, explanation of term, 21, 145. 



Pollinium, or pollen-mass with stalk and disc, 



sec above. 

 Preacher in the Pulpit, see Orchis Spectabilis. 

 Purple Fringed Orchis, see H.fimbriata. 

 Pursh, color of Cyp. acaule, 29 ; Aplectruvi 



hyemale, 74, ; on G. pubesccns, 124. 

 Putty-root, sec Aplectruvi hyemale. 



Ragged-fringed Orchis, see //. lacera. 



Ram's-head Lady's Slipper, see Cyp. arieti- 

 num. 



Rattlesnake Plantain, see Goodyera. 



Rein Orchis, sec Habenaria. 



Rostellum, explanation of term, 7; in O. mas- 

 cula, 21 ; lacking in Cypripedium, 

 27; structure in //. Hoe/eeri, 41; in L. 

 orata, 58-60 ; in H. dilatata, 69 ; 

 lacking in P. ophioglossoides, 88 ; 

 structure in Spiranthes, 106-109 ; 

 in Goodyera, 1 19-120 ; in O. specta- 

 bilis, 145; illustrations, 7, 20, 59, 107. 



Roots of Orchids, 9. 



Round-leaved Orchis, see O. rotundifolia. 



Sachs, on Corallorhiza, 73 ; reference to his 

 Text Book, 116 ; on structure of Ne- 

 ottia, 126. 

 Scape, explanation of term, 9, 

 Scrofula-weed, see Goodyera pubescens. 

 Scudder, Dr. Samuel H., on fertilization of P. 

 ophioglossoides, 85-88. 

 ! Seeds, number produced by Orchids, 38. 

 Sesia, species of , fertilizers of H. psycodes, in, 



112. 

 Showy Lady's Slipper, see Cyp. spcctabile. 

 Small Late Coral-root, see Corallorhiza odonto- 



rhiza. 

 Small Round-leaved Orchis, see O. rotundi- 

 folia. 

 Smaller Two-leaved Orchis, see //. Hookeri. 

 Smith, S. I., on fertilization of Cyp. spectabile, 



78 ; H. psycodes, n 1. 

 Snake -mouth Pogonia, see P. ophioglossoides. 

 Species identical with those of Great Britain. 

 Sphynx drupiferarum, with pollen-masses, 



102. 

 Spiranthes, Richard, 65 ; structure of, 106. 

 Spiranthes, a-stivalis, Oakes' Cat., see S. lati- 

 folia. 

 "• autu?nnalis, 106 ; illustration, 107. 



" Bcckii, Lindley, see S. gracilis. 



" cernua, Richar i, 127 ; structure 



and fertilization, 106-110; illustra- 

 tion, 129. 

 u decipie?is, see Goodyera Jfenziesii. 



" gemtnipara, Lindley, see S. Ro- 



manzoviana. 

 " gracilis, Bigelow, 106-110; illus- 



tration, 129. 

 " grami7iea, Lindley. var. Walteri, 



106 ; illustration, 103. 



