INDEX. 



AOEBAS. 



BEOTW. 



Aceraa antliropophora, 26; pollen- 

 tubes, 258 



longibracteata, 26 



, monstrous flowers, 255 



AoiantTius exsertus, 90 



fornicatus, 90, 280 



sinclairii, 90 ; fertilised by 



insects, 280 

 Aeontia luetuosa witb pollen-masses, 



31 

 Aoropera, poUinla of, 154, 156 ; 



upper petals, 276 



loddigesii, 166 



luteola, 166; vessels of, 239 



Adaptations, how far special, 267; 



diversity of, 282 

 Aeridea, movement of poUinia, 156 ; 



secretion of nectar, 265 



cornutmn, 265 



odorata, 158 



wrens, 156 



Amici, on -number of pollen-grains 



in Orchis morio, 278 

 Anderson, Mr., on Dmdrdbiwm,li2 ; 



on the Epidendrea, 147 

 Angrsecvm, viscid matter in, 251 



distichwm, 154 



eburneumj 155 



sesquipedale, 154, 162, 282 ; 



nectary of, 265 

 Antennae of the rostellum of Cata- 



setam, 184, 187 

 Anthers, rudimentary, 240 

 Apoatasia, 248 

 Arethusess, 80 

 Auricles, or papillse, rudimentary, 



241, 242 



Babington, Prof., on the rostellum, 



255 

 BaUlou, M., on Catasetum, 191 

 Barkeria, 146. 

 Bateman, Mr.-, obligations to, 105, 



162 ; on Oycnoches, 224. 



Battershy, Dr., obligations to, 106 



Bauer, Mr., on pollen-grains in 

 Cephalanthera, 80, 82 ; on pollen- 

 masses of Bletia, 143 



Bee Ophrys, 52 



Beer, J. G-., on Catasetum, 197 ; on 

 Cyonoohes, 224 



Bees with attached poUinia, 30 



Belt, Mr., on Angrxcum sesquipe- 

 dale, 165 



Bentham on monstrous flowers of 

 Orchis pyramidalis, 88 



Bird's-nest Orchis, 125 



Bolbophyllum, 274; upper petals, 

 276 



harhigerum, 138 



•^-^ cocoinnm, 137 



cupreum, 137; nectary of, 



265 



rhizophorss, 137 



Bonatea speciosa, 71, 76 ; vessels of, 

 244 ; modified structure, 264 ; 

 oaudiole, 361 



Bond, Mr. F., on moths with at- 

 tached poUinia, 30; obligations 

 to, 72, 75 



Bractese, secreting nectar, 266 



Brassja, movement of pollinia, 156 



Bree, Mr., on seed of Epipactis 

 latifolia, 278 



Brongniart, M., on secretion of 

 nectar, 41 ; on Catasetum, 196 ; 

 spiral vessels in Orchids, 235 ; on 

 Vropediwm, 240 



Bronn, Prof., on Stanhopea devo- 

 niensis, 171 ; classification of or- 

 ganic beings, 264 



Brown, C, on Sobralia maarwntJia, 91 



, Eobert, on the fertilisation of 



Orchids, 3 ; viscidity- of stigma, 

 13 ; Ophrys apifera, 54 ; utriouli 

 of the stigma, 202 ; homologies of 

 Orchids, 234, 236, 237 ; rostellum 

 of Orchids, 247 ; Apostasia, 248 ; 



