298 



UOBMODES, 



INDEX. 



Mormodes ignea, stniotnre of flower, 

 208-219 ; viscid secretion, 249 ; 

 use of labellum, 276, 283 



luxata, 219 



Moreen, on Vanilla aromatica, 91 

 Moths with attached poUinia, 21, 



30, 31 ; intellect of, 37 

 Moyementa of polliuia, 271 

 Miiller, Fritz, on Epidendress, 148 ; 

 pollinium of Ornithocephalus, 159, 

 160; Sphinx moth, 163; con- 

 tracted stigma, 171, 172 ; ovules 

 of Epidendress and Vandese, 173 ; 

 Catasetum meniosum, 206; brao- 

 tuse of the Oncidium secreting 

 nectar, 266 ; labellum gnawed by 

 insects 271 ; number of seeds in 

 capsule of Maxillaria, 278 ; num- 

 ber of Orohidese in South BrazU, 

 279 ; the orchideous tribes failing 

 to be fertilised, 280 ; prepotency 

 of pollen, 289 



, Hermann, on fertih"sation of 



Orchis masoula, 13 ; bees visiting 

 the flowers of Orchis latifolia, 

 16 ; Nigritella angusti/olia, 27 ; 

 fertilisation of Orchids, 29; in- 

 sects puncturing laburnum flow- 

 ers, 41 ; Gymnadenia odoratis- 

 sima, 68 ; Hahenaria bifolia 

 and cMorantha, 74; -Epipactis 

 rubiginosa, microphylla, and viri- 

 diflora^ 102 ; Neottia nidus-avis, 

 125 ; Gypripedium ealceolm, 231 ; 

 secretion of nectar, 267 

 Musk Oroliis, structure of flower, 



59 

 Myanthus harhatits, 192, 199, 203; 

 quite sterile, 205 • 



Nectar, secretion of, by British 

 Ophrese, 37, 39 ; in foreign Or- 

 chids, 229 ; from bracteas, 229 



Nectary cut off to test the intel- 

 lect of moths, 37 ; length of, in 

 Angraioum sesquipedale, 265 



Neotinia intacta, 27, 291 



Neotteas, 93 ; vessels of, 241 



Neottia nidus-avis, 125; pollen- 

 tubes, 258 ; partially self-fertile, 

 290 



Nevill, Lady Dorothy, obligations 

 to, 129 



Niootiana, stigma of, 249 



Nigritella angusti/olia, 27 

 Notylia, contracted stigma, 171 



Odontoglossvm, 156 

 Oliver, Prof., obligations to, 129 

 Oncidium, poUinia, 153, 156, 158; 

 vessels of, 239 ; viscidity, 251 ; 

 bracfcese secreting nectar, 266 



■imgidculatum, development of 



oaudicles, 252 

 Ophrese, 6 ; vessels of, 241 

 Ophrys apifera, structure of flower, 

 52 ; fertility of, 54-58 ; poUen, 

 259 ; self-fertilisation, 279, 291 



arachnites, 5 1 



arani/era, 50 ; imperfect fer- 

 tilisation, 280 



museifera, transplanted, 32 ; 



structure, 45 ; fertility, 49 ; self- 

 sterile, imperfectly fertilised by 

 insects, 280 



saolopax, 52, 292 



Orchidem, modifications in, 246 

 Orchis fusca, 15 ; imperfect fertili- 

 sation, 35 ; secretion of nectar, 37 

 hircina, 25 ; nectary, 39; move- 

 ment of pollinia, 273 

 latifolia, 15 ; imperfect fer- 

 tilisation, 35 ; secretion of nectar, 

 37 ; two distinct discs, 255 



maoulata, 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-grains, 278 

 militaris, steiility of, 36 ; se- 

 cretion of nectar, 37 



morio, 15, 128 ; fertility of, in 



cold season, 33; secretion of 

 nectar, 37, 39 ; number of poUen- 

 giuins, 278 



pyramidalis, structure of 



flower, 16; movements of poUinia, 

 21, 272, 273 ; fertility in different 

 stations, 84; secretion of nectar, 

 37, 39 ; monstrous flowers, 38 ; 

 single disc, 254; rostellum, 256; 

 pollen-graina, 260, 261 ; contriv- 

 ances for its fertilisation, 264 



ustulata, 25 



Organs, gradation of, 247 



