Page:Darwin - The various contrivances by which orchids are fertilized by insects (1877).djvu/315

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 * .||INDEX.||.|||295
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* pollen-tubes, 258; Sprengel's work, 275
 * Butterflies with attached polli,ia, 31
 * Butterfly orchis, 69
 * , lesser, 73

Catasetum, 197, 200; female pollen-masses, 202; Selenipedium palmifolium, 232; homologies in Orchids, 235; bees gnawing the labellum, 270
 * Caladenia dimorpha, 89
 * Calæna, 89
 * Calanfhe dominii, 161
 * masuca, structure of flower, 161; long nectary, 267, 269
 * veratrifolia, 280
 * vestita, 162
 * Carpenter, Dr., on Myanthus and Catasetum, 196
 * Catasetidæ, 178
 * Catasetum, peculiar rostellum, 256; labellum, 270
 * callosum, 192, 195
 * luridum, 191
 * mentosum, 206
 * planiceps, 193
 * saccatum, structure of flower, 180–185; vessels of, 239
 * tabulare, 192
 * tridentatum, structure of flower, 191; three forms on the same plant, 196; a male orchid, 197; vessels of, 239; peculiar form of rostellum, 256; nectar-receptacle, 269
 * Cattleya, structure of flower, 143–148; vessels of, 239; nectary, 265
 * crispa, 147
 * Caudicles of pollinia in the Vandex, 152; development of, 252; structure, 260, 261
 * Cephalanthera, number of seeds, 277
 * ensifolia, 86
 * grandiflora, structure of flower, 80–86; vessels, 239, 242; change of colour in viscid secretion, 249; pollen, 259; labellum, 269; number of seed, 277; upright position of flower, 287; partially self-fertile, 290
 * Cheeseman, Mr., on Pterostylis trullifolia, 88; Acianthus sinclairii, 90; imperfect fertilisation of Pterostylis, 280
 * Chysis, 146
 * Cirrhæa, contracted stigma, 171
 * Clinandrum, the, 241
 * Cœlogyne cristata, 146
 * Coryanthes, 90, 173; nectary, 232; secretion of nectar, 265
 * fieldingii, 175
 * macrantha, 175
 * speciosa, structure of flower, 174
 * triloba, partially self-sterile, 281
 * Crüger, Dr., on the Epidendreæ, 147; Gongora maculata, 168; Stanhopea, 171; Coryanthes, 173; C. macrantha, 175;
 * Cyonoches egertonianum, 224
 * ventricosum, structure of flower, 220–224
 * Cymbidium giganteum, 155; pollinia, 252, 260; modification of form, 263
 * Cypripedium, structure of flower, 226; secretion from, 229; pollen, 262; labellum, 275
 * acaule, 229
 * barbatum, vessels of, 239
 * calceolus, 229–231; fertilised only by small bees, 282
 * candidum, 235
 * pubescens, 229, 230
 * purpuratum, vessels of, 239
 * Cyrtostylis, 90


 * Darwin, Francis, on the movement of the awn of Stipa, 273
 * , George, insects fertilising Herminium monorchis, 61; Gymnadenia conopsea, 67
 * , William, on Epipactis palustris, 99, 100
 * Delpino on insects being deceived by the presence of a nectary not containing nectar, 41; sterility of Spider Ophrys, 50, 51; Cephalanthera ensifolia, 86; movements of pollinia, 155; fertilisation of Cypripedium calceolus, 231; imperfect fertilisation of Ophrys aranifera in Liguria, 280
 * Dendrobium, length of anther, 287
 * bigibbum, 142
 * cretaceum, 142, 291