300 



8TAMENS. 



INDEX. 



ZYRCPETALDM. 



pactU lati/olia, 101; Lutera, 



115, 123 ; colours attrac-tiiig in- 



sects, 275; valua of his work, 



275 

 Stamens in Orchids, 242 

 Stanhopea, poUinia of, 155; label- 



lum, 276 



devoniemii, 171 



oculata, 171 



Stelis, use of the sepals, 274 



raoemiflora, 135 



Sterility of English Orchids, 35 

 Stigma, viscidity of, in the Vandeas, 



152; utriouli, 197; gradation, 



248; structure, 249 

 Stipa, movements of, 273 

 Structure, diversity of, 282, 285 

 Structure, importance of trifling 



detaUs, 286, 287 



Thelymitra, self-fertile, 291 



camea, 127 ; self-fertile, 280 



longiflora, 127 



Thomson, B. B., on Ooodyera 



repens, 105 

 Tilley, H. A., on Vanilla aromatica, 



91 

 Trevelyan, Sir C, on Bombus with 



attached pollen-masses from Calt- 



leya, 145 

 Treviranus on, the secretion of 



nectar, 41 ; on Bee Ophrys, 56 

 IMmen, E., obligations to, 40 ; on 



Bonatea speciosa, 76, 77 , Diiia 



grandifiora, 77, 78 



Turnbull, Mr., obligations to, 129 

 Tway-blade, 115 



Uropedium, 240 



Utriculi of stigma, 197, 213 



Vandeie, 156 



, structure of, 149; poUinia, 



253, 258 

 Vanilla aromatica, 90 

 VanilUdesB, 90; few seed capsules 



produced, 281 

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



180, 220 

 Vessels, spiral, of Orchids, 235 

 Viscidity of disc in Britisli Ophreoo, 



35 ; in Catasetum, 190 

 of rostellum and stigma, 248, 



249 



Waetcher on fertilisation of tlio 

 Orchids, 2 



Walker, Mr. F., obligations to, 100 



Wallis, Mr., obligations to, 129 



Warrea, 155 ; analysis of labellum, 

 270 



Weale, J. Mansell, on Eabenaria, 

 76 ; Bonatea, 77 ; Disa and Din- 

 peril, 78 ; Disa maerantha, 290 



Weddell, Dr., on hybrids of Aceras, 

 26 



Wright, Mr. 0., on .the movement 

 of poUinia, ISU 



Zygnpetalum macliai, 155 



