298 



INDEX. 



Mormodes ignea, structure of flower, 

 208-219; viscid secretion, 249; 

 use of labellum, 276, 283 



luxata, 219 



Slorren, on Vanilla ar tmatfca, 91 



Moths with attached pollinia, 21, 

 BO, 3) ; intellect of, 37 



Mm'emiiuts of pollinia, 271 



Bliillcr, Kiitz, on Epidendrem, 148; 

 (.(illiuiiim ijf Ornilliocephalus, 159, 

 liiO; Sphinx moth, 163; con- 

 tracted stigma, 171, 172; ovules 

 of Epidendreie and Vandese, 173 ; 

 Cataselum mentomm, 206; brac- 

 tesa of the Oncidium secreting 

 nectar, 266; labellum gnawed by 

 insects 271 ; number of seeds in 

 capsule of Maxilluria, 278 ; num- 

 ber of Orchideae in South Brazil, 

 279; the orchidenus tribes failing 

 to be fertilised, 280 ; prepotency 

 of pollen, 289 



, Hermann, on fertilisation of 



Orchis mascula, 13 ; bees visiting 

 the flowers of Orchis latifolia, 

 16; NigriteUa angusti/olia, 27; 

 fertilisation of Orchiida, 29 ; in- 

 sects puncturing laburnum flow- 

 ers, 41; Gymnadenia odoratis- 

 sima, 68 ; Habenaria bifolia 

 and chloranfha, 74; Epipaotis 

 ruhiginoia, microphylla, and viri- 

 diflora, 102 ; Neottia nidus-aois, 

 125; Cypripedium calceolus, 231 ; 

 secretiou of nectar, 267 



Musk Orchis, stnicturo of flower, 

 59 



Myanthus barbatus, 192, 199, 203; 

 quite sterile, 20j 



Kectar, secretion of, by British 

 OphresB. 37, 39 ; in foreign Or- . 

 chids, 229 ; from bracteas, 229 



Nectary cut off to test the intel- 

 lect of moths, 37 ; length of, in 

 Angrseeum sesquipedale, 265 



Neotinia iiitacta, 27, 291 



NeoUese, 93 ; vessels of. 241 



Neottia nidus-avis, 125; pollen- 

 tubes, 238 ; partially self-fertile, 

 290 



Novill, Lady Dorothy, ol ligations 

 to, 129 



Nicotiana, stigma cf, 249 



NigriteUa angustifolia, 27 

 Notylia, contracted stigma, 171 



OdoniogU>ssmn, 156 

 Oliver, Prof., obligations to, 129 

 Oncidium, pollinia, 153, 156, 158; 

 vessels of, 239 ; viscidity, 251 [ 

 biactese secreting nectar, 266 



unguiculatum, development of 



caudicles, 252 

 Ophrese, 6 ; vessels of, 241 

 Ophrys apifera, structure of flower, 

 52 ; fertility of, 54-58 ; pollen, 

 259; self-fertilisation, 279, 291 



arachnites, 5 1 



aranifera, 50 ; imperfect fer- 

 tilisation, 280 



rmiscijfera, transplanted, 32 ; 



structure, 45 ; ft-rtility, 49; self- 

 sterile, imperfectly fertilised by 

 insects, 280 



scolopax, 52, 292 



Orehideee, modifications in, 246 

 Orchis fusca, 15; imperfect fertili- 

 sation, 35 ; secretion of nectar, 37 

 hiroina, 25 ; nec'ary, 39; move- 

 ment of pollinia, 273 

 latifolia, 15 ; imperfect fer- 

 tilisation, 35; secretiiin of ntotur, 

 37 ; two distinct di^os, 255 



maeulata, 15, 34 ; transplanted, 



32 ; imperfect fertilisation, 35 ; 

 secretion of nectar, 37, 39; two 

 distinct discs, 255; rostellum, 

 255; number of seeds, 277, 278 ; 

 Orchis mascula, structure of flower, 

 6 ; movement of pollinia, 273 ; 

 number of pollen-brains, 278 

 militaris, sterility of, 36 ; se- 

 cretion of nectar, 37 



morio, 15, 128 ; fertility of, in 



cold season, 33; secretion of 

 nectar, 37, 39 ; number of pollen- 

 grains, 278 



pyramidalis, structure rif 



flower, 16 ; movements of pollinia, 

 21, 272, 273 ; fertility in different 

 stations, 34; secretion of nectar, 

 37, 39 ; monstrous flowers, 38 ; 

 single disc, 254; rostellum, 256; 

 pollen-grains, 260, 261; contriv- 

 ances for its fertilisation, 264 



ustulata, 25 



Organs, gradation of, 247 



