Page:Darwin - The various contrivances by which orchids are fertilized by insects (1877).djvu/316
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dendrobium. |
INDEX. |
habenaria. |
296
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- Dendrobium chrysanthum, structure of, 138–142; nectary, 265
- —— formosum, 142
- —— speciosum, partially sterile, 281
- —— tortile, 142
- Descent, lines of, 262–265
- Dickie, Prof., obligations to, 124
- Disa, secretion of nectar, 265
- —— cornuta, 78
- —— grandifiora, 77; partially self-sterile, 281
- —— macrantha, 78; partially self-fertile, 290
- Disc, viscidity, of, in the Ophreæ, 43; in Catasetum, 190; double in the Ophreæ, 254; of Gymnadenia conopsea, 272
- Disperis, secretion of nectar, 265
- Duchartre, M., on Catasetum and Myanthus, 196
- Dyer, Mr. Thiselton, obligations to, 175
- Epidendreæ, 142; few seed capsules produced, 281
- Epidendrwm cochleatum, viscid secretion of, 249
- —— floribundum, 146; viscid secretion, 249
- —— glaucum, 146
- Epipactis, vessels of, 239; viscidmatter, 251
- —— latifolia, 100, 101; pollen, 259; fertilised only by wasps, 282; use of knob of anther, 287
- —— microphylla, 102
- —— palustris, structure of flower, 93–100; labellum, 275
- —— purpurata, 102
- —— rubiginosa, 102
- —— viridiflora, 102; self-fertile, 291
- Epipogium gmelini, 103
- Eulophia viridis, 156; nectary of, 269
- Evelyna, nectary of, 265
- —— carivata, 146; vessels of, 239; clinandrum, 241
- Farrer, T. H., obligations to, 46; on Bee Ophrys, 55; Peristylis viridis, 63
- Fertilisation, summary on, 290
- Fertility of English Orchids 33
- Fitzgerald, R. D., on Pterostylis longifolia, 89; Caladenia dimorpha, 89; Acianthus fornicatus, and exsertus, 90; Vanilla aromatica, 91; Spiranthes australis, 115; Thelymitra carnea and longifolia, 127; numbers of Orchideæ collected near Sydney, 279; self-fertilisation of Thelymitra carnea, 280; Dendrobium speciosum, 281
- Flowers, use of external envelopes, 274
- Fly Ophrys, 46
- Frog Orchis, structure of flower, 62; secretion of nectar, 63
- Galeandra funkii, 155
- Gärtner on viscid matter of stigma, 249; pollen-grains in Orchids, 288
- Gerard, M. M., pollinia adhering to longicorn beetle, 16
- Glossodia, 237
- Gongora, labellum of, 276
- —— atro-purpurea, 169
- —— maculata, 168
- —— truncata, 169
- Goodyera, vessels of, 239; caudicle in a nascent condition, 260
- —— discolor, 105
- —— pubescens, 105
- —— repens, 103, 105
- Gordon, Rev. G., obligations to, 103
- Gosse, Mr., on self-fertilised seeds of Epidendreæ, 147, 148
- Gradation of organs, 247
- Gray, Prof. Asa, on Gymnadenia tridentata, 68; Platanthera, 75; Goodyera repens, 105; Spiranthes gracilis and cernua; 111; Cypripedium, 229, 230, 235
- Gymnadenia, viscid matter, 251
- —— albida, 43, 68
- —— conopsea, transplanted, 32; secretion 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