300 



STAMENS. 



INDEX. 



ZTGOPETALDM. 



pactis latifolia, 101 ; Listera, 



115, 123 ; colours attracting in- 



seota, 275 ; value of his work, 



275 

 Stamens in Orchids, 242 

 Stanhopea, poUinia of, 155; label- 



luin, 276 



devoniensis, 171 



oculata, 171 



Stelis, use of the sepals, 274 



raoemijlora, 135 



8teiiUty of English Orchids, 35 

 Stigma, viscidity of, in the Vandese, 



152; utriouli, 197; gradation, 



248; structure, 249 

 Stipa, movements of, 273 

 Structure, diversity of, 282, 285 

 Structure, importance of trilling 



details, 286, 287 



Thelymitra, self-fertile, 291 



carnea, 127; self-fertQe, 280 



longiflora, 127 



Thomson, B. B., on Goodyera 



repens, 105 

 Tilley, H. A., on Vanilla aromatica, 



91 

 Trevelyan, Sir C, on Bombus with 



attached pollen-masses from Catt- 



leya, 145 

 Treviranus on the secretion of 



nectar, 41 ; on Bee Ophrys, 56 

 rrimen, K., obligations to. 40 ; on 



Bonatea speciosa, 76, 77 ; Disa 



grandijlora, 77, 78 



Turnbull, Mr., obligations to, 129 

 Tway-blade, 115 



TTropedium, 240 



TJtricuU of stigma, 197, 218 



Vandem, 156 



, structure of, 149; poUinia, 



253, 258 

 Vanilla aromatica, 90 

 VaniUideas, 90; few seed capsules 



produced, 281 

 Veitch, Mr. J., obligations to, 129, 



180, 220 

 Vessels, spiral, of Orchids, 235 

 Viscidity of disc in British Ophrea), 



35 ; in Catasetum, 190 

 of rostellum and stigma, 248, 



249 



TVaeteher on fertilisation of tlie 

 Orchids, 2 



Walker, Mr. P., obligations to, 100 



Wallis, Mr., obligations to, 129 



Warrea, 155 ; analysis of labellum, 

 270 



Weale, J. Mansell, on Hahenaria, 

 76 ; Bonatea, 77 ; Disa and Dis- 

 pells, 78 ; Disa maeranflia, 290 



Weddell, Dr., o^ hybrids of Aceras, 

 26 



Wright, Mr. C, on the movement 

 of pollinia, 156 



Zygopetdlum machai, 155 



