BUTTEKFLIES. 



INDEX. 



DEXDKOBIUM. 



295 



polL-n-tubes, 258 ; Sprengel's 



work, 275 

 Biitteifiies with attached polliuia, 



31 

 Butterfly orchis, 69 

 , Itsser, 73 



Caladenia dimorpha, 89 



Cahkna. 89 



Calanthe dominii, 161 



vtasuca, structure of flower, 



161 ; long nectary, 267, 269 



veratrifolia, 280 



vest it a, 162 



Carpi nter, Dr., on Myantlms and 

 Caiasetum, 196 



Catasetidx, 178 



Catasetum, peculiar rostellum, 256 ; 

 labellum, 270 



callosum, 192, 195 



luridum, 191 



mentosmn, 206 



planieeps, 193 



saccatum, structure of flower, 



180-185; vessels of, 239 



tabulare, 192 



tridentatmn, structure of 



flower, 191 ; three forms on the 

 isame plant, 196; a male orchid, 

 197; vessels of, 289; peculiar 

 form of rostellum, 256; nectar- 

 receptacle, 269 



Citttleya, structure of flower, 143- 

 148 ; vessels of, 239 ; nectary, 

 265 



crispa, 147 



Caudicles of pollinia in the Vandex, 

 152 ; development of, 252 ; struc- 

 ture, 260, 261 



Cephalantliera. number of seeds, 277 



ensifolia, 86 



grandtflora, structure of flower, 



80-86 ; vessels, 239, 242 ; change 

 of colour in viscid secretion, 249 ; 

 pollen, 259 ; lubellum, 269 ; num- 

 ber of seed, 277; upright position 

 of flower, 287 ; partially self-fer- 

 tile, 290 



Cheeseraan, Mr., on Pterostijlis 

 trullifoUa, 88 ; Acianthus sin- 

 cldirii, 90 ; imp rfect fertilisation 

 of Fterostylis, 280 



Chijsis, 146 



Ci<-rhiea, contracted stigma, 171 



Clinandrum, the, 241 



Ccelogyne cristata, 146 



ConjantJies, 90, 173 ; nectary, 232 ; 

 secretion of nectar, 2(i5 



Jieldingii, 175 



macrantha, 175 



speciosa, structure of flower, 



174 



triloba, partially self-sterile, 281 



Cruger, Dr , on the Epidendre<e, 

 147; Gongora maculata, 168; 

 StanJiopea, 171; Coryanthes, 173; 

 C. macrantha, 175 ; Catasetum, 

 197, 200 ; female polleu-mas«es, 

 202 ; Selenipedium palmifoUam, 

 232; homologies in Orchids, 235 ; 

 bees gnawing the labellum, 270 



Cycnoches egertonianum, 224 



ventricosum, structure of flower, 



220-224 



Cymbidium giganteum, 155 : pol- 

 linia, 252, 260; modification of 

 form, 263 



Cypripedium, structure of flower, 

 226 ; secretion from, 229 ; pollen, 

 262 ; labellum, 275 



acaule, 229 



barbatum, vessels of, 239 



caJceolus, 229-231 ; fertilised 



only by small bees, 282 



candidum, 235 



pubescens, 229, 230 



piirpuratuiny vessels of, 239 



Cyrtostylis, 90 



Darwin, Francis, on the movemeut 

 of the awn of Stipa, 273 



, George, insects fertilising iZer- 



minium monorchis, 61 ; Gymna- 

 denia conopsea, 67 



, William, on Epipactis palustris, 



99, 100 



Delpino on insects being deceived by 

 the presence of a nectary not con- 

 taining neetar, 41 ; sterility of 

 Spider Ophrys, 50, 51 ; Cephulan- 

 thera ensifolia, 86 ; movements of 

 pollinia, 155; fertilisation of C(//;r»- 

 pedium calce.olus, 231 ; imi)erf(ct 

 fertilisation of Ophrys arani/cra 

 in Liguria, 280 



Dendrobium, length of anther, 2S7 



bigibbum, 142 



cretaceuni, 142, 291 



