296 



DENDROBIUM. 



INDEX. 



HABENAKIA. 



Dendrohium chrysanthum, structure 

 of, 138-142; nectary, 2G5 



formosuin, 142 



speciosum, partially sterile, 281 



tortile, 142 



Descent, lines of, 262-265 



Dickie, Prof., obligations to, 124 



Disa, secretion of nectar, 265 



cornuta, 78 



grandijiora, 77 ; partially self- 

 sterile, 281 



macro ntha^ 78 ; partially self- 

 fertile, 290 



Disc, viscidity of, in the Ophrese., 

 43 ; in Catasetum, 190 ; double in 

 the Ophrex, 254 ; of Gymnadt-nia 

 conopsea, 272 



Disperis, secretion of nectar, 265 



Ducbartre, M., on Catasetum and 

 Myanthus, 196 



Dver, Mr. Thiselton, obligations to, 

 175 



Ejiidendrex, 142; few teed capsules 

 produced, 281 



Epidendrum cochleatum, viscid se- 

 cretion of, 249 



florihundum, 146; vi&cid se- 

 cretion, 249 



glaucum, 146 



Epipactis, vessels of, 239 ; viscid 

 iQiitter, 251 



latifolia, 100, 101; pollen, 259 ; 



lerlilised only by wasps, 282; 

 use of knob f)f anther, 287 



microphylla, 102 



palustris, structure of flower, 



93-100 ; labellum. 275 



purpuratu, 1 02 



ruh,ginosa, 102 



viridifioT'i^ 102 ; self-fertile, 



291 



Epipogium gmelini, 1 03 



Eulophia viridis, 156 ; nectary of, 

 269 



Evelyna, nectary of, 265 



carivata, Hi) ; vessels of, 239; 



clinandrum, 241 



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



on Bee Ophrys, 55 ; Feristylis 



viridis, 63 

 Ferlilisation, summary on. 290 

 I'^ertiLty of KUj^lish Orchids iVS 



Fitzgerald, E. D., on Pterostylis 

 longifolia, 89 ; Caladenia dimor- 

 pha, 89 ; Acianthus fornicatus, 

 and exsertus, 90 ; Vanilla aroma- 

 tica, 91 ; Spiranthes australis, 1] 5 ; 

 Thelyniitra Garnea and longifolia, 

 127 ; numbers of Orchideee col- 

 lected near Sydney, 279 ; self- 

 fertilisation of Thelymitra carnea, 

 280 ; Dendrohium speciosum, 281 



Flowers, use of external envelopes, 

 274 



Fly Ophrys, 46 



Frog Orchis, structure of flower, 62 ; 

 secretion of nectur, 63 



G' I leandra funkii, 155 



Gartner on viscid matter of stigma, 



249; pollen-grains in Orchids, 



288 

 Gerard, M. INI., pollinia adhering to 



longicoru beetle, 16 

 Glossodia, 237 

 Gongora, labellum of, 276 



atro-purpurea, 169 



macuhita, 168 



trunC'ita, 169 



Goodyera, vessels of, 239 ; caudicle 



in a nascent condition, 260 



discolor, 105 



puhescens. 105 



repens, 103, 105 



Gordon, Kev. G., obligations to, 103 

 Gosse, Mr., on self-fertilised seeds of 



Ep'dendrew, 147, 148 

 Gradation of origans, 247 

 Giay, Prof. Asa, on Gymnadenia 



tridentata, 68 ; Platanthera, 75 ; 



Goodyera repens, 105 ; Spiranthes 



gracilis and cernua. 111 ; Cypri- 



pedium, 229, 230, 235 

 Gymnadenia, viscid matter, 251 



albida, 43, 68 



conopsea, transplanted, 32 ; se- 



cietion of nectar, -i 0, 43 ; structure 



of flower, 65 ; vessels, 238, 239 ; 



rostellum, 255; movements of 



pollinia, 271 ; disc, 272 



odoratissima, 68 



tridentata, 68; self-fertile, 291 



ITahenaria hifoJia, 78; secretion of 

 nectar, 40, 43 ; viscid matter, 251 



