296 



DBNDBOBIUM. 



INDEX. 



HABENABIA. 



Dendrdbium chrysanthum, structure 

 of, 138-142 ; nectary, 265 



formosum, li2 



speciosum, partially sterile, 281 



toHile, 142 



Descent, lines of, 262-265 



Dickie, Prof., obligations to, 124 



Disa, secretion of nectar, 265 



comuta, 78 



grandifiora, 77 ; partially self- 

 sterile, 281 



maerantlia, 78 ; partially self- 

 fertile, 290 



Disc, viscidity, of, in the Ophrese, 

 43 ; in Catasetum, 190 ; double in 

 the Ophrese, 254 ; of Gymnadcnia 

 conopsea, 272 



Disperis, secretion of nectar, 265 



Duchartre, M., on Catasetum and 

 Myanthm, 196 



Dver, Mr. Thiselton, obligations to, 

 175 



Ejiidendrex, 142; few seed capsules 

 proJuced, 281 



Epidendrwm cocMeatum, viscid se- 

 cretion of, 249 



floribundum, 146 ; viscid se- 

 cretion, 249 



glaucum, 146 



Epipactis, vessels of, 239 ; viscid 

 matter, 251 



latifolia, 100, 101; pollen, 259 ; 



fertilised only by wasps, 282; 

 use of knob of anther, 287 



microphyUa, 102 



palustris, structure of flower, 



93-100 ; labellnm, 275 



purpurata, 102 



rubigirwsa, 102 



viridiflora, 102 ; self-fertile, 



291 



Epipogivm gmelini, 103 



Eulophia viridis, 156 ; nectary of, 

 269 



Evelyna, nectary of, 265 



carivata, 146 ; vessels of, 239 ; 



olinandi'um, 241 



Farrer, T. H., obligations to, 46; 



on I5ee Ophrys, 55 ; Feristylis 



viridis, 63 

 Fertilisation, summary on, 290 

 J<Vrtility of English Orchids 33 



Fitzgerald, E. D., on Pterostylis 

 longifolia, 89; Caladenia dimor- 

 pha, 89 ; Acianthus fornicatus, 

 and exsertus, 90 ; Vanilla aroma- 

 tica, 91 ; Spiranthes australis, 115; 

 Tlielymitra carnea and longifolia, 

 127; numbers of Orchidese col- 

 lected near Sydney, 279; self- 

 fertilisation of Thdymitra carnea, 

 280 ; Dendrobium speciosum, 281 



Flowers, use of external envelopes, 

 274 



Fly Ophrys, 46 



Frog Orchis, structure of flower, 62 ; 

 secretion of nectar, 63 



Gnleandra furikii, 155 



Gartner on viscid matter of stigma, 

 249; pollen-grains in Orchids, 

 288 



Gerard, M. M., polUnia adhering to 

 longicorn beetle, 16 



Glossodia, 237 



Gongora, labellum of, 276 



atro-purpurea, 169 



maculata, 168 



trunoata, 169 



Goodyera, vessels of, 239 ; oaudicle 

 in a nascent condition, 260 



discolor, 105 



pvbescens, 105 



repem, 103, 105 



Gordon, Rev. G., obligations to, 103 



Gosse, Mr., on self-fertilised seeds of 

 Epidendrece, 147, 148 



Gradation of organs, 247 , 



Gray, Prof. Asa, on Gymnadenia 

 tridentata, 68 ; Platanthera, 75 ; 

 Goodyera repens, 105 ; Spiranthes 

 gracilis and cermia. 111 ; Oypri- 

 pedium, 229, 230, 235 



Gymnadenia, viscid matter, 251 



albid<i, 43, 68 



conopsea, transplanted, 32 ; se- 

 cretion of nectar, 40, 43 ; structure 

 . of flower, 65 ; vessels, 238, 239 ; 

 rostellum, 255; movements of 

 pollinia, 271 ; disc, 272 



odoratissima, 68 



tridentata, 68 ; self-fertile, 291 



Habenaria bifolia, 78 ; secretion of 

 nectar, 40, 43 ; viscid matter, 251 



