BUTTERFLIES. 



INDEX. 



DENDKOBITTM. 



295 



pollen-tubes, 258 ; Sprengel's 



work, 275 

 Butterflies with attached pollinia, 



31 

 Buiterfly orchis, 69 

 • — -, lesser, 73 



Cahdenia dimorpha, 89 



Cahena. S9 



Cclantke dominii, 161 



■ masuca, structure of flover 



161 ; long nectary, 267, 269 



vevatrifoUa, 280 



vestitu, 162 



Ciirpi.'uter, Dr., on Myanthus and 



Catasetuin, 196 

 0(tasftid;v. 178 

 Cutasetum, peuuliar rostellum, 256 ; 



labelliwu, 270 



callosmu, 192, 195 



luridum, 191 



meatoHum, 206 



plauiceps, 193 



mccidum. structure of flower, 



180-18.'); vosels of, 2^9 



tahuJare, 192 



tridcntutuiti, structure of 



flower, 191 ; three forms ou the 

 same plant, 196 ; a male orchid, 

 197 ; vessels of, 239 ; peculiur 

 form of rostcllum, 256; uectir- 

 receptacle, 269 



Ccdlleija, structure of flower, 143- 

 148 ; Yesst:ls of, 239 ; nectary, 

 265 



criiipa, 147 



Caudicles of pollinia in the Vande:i\ 

 152; development of, 252 ; stiui-- 

 ture, 260, 261 



Ceplialuiitheru, number of seeds, 277 



eiififdlia, 86 



ijraiidijltira, structure of flower. 



80-86; vessels, 239, 242 ; change 

 of colonrin visciil secretion, 24'J ; 

 pollen, 259; labeilum, 269; num- 

 ber of seed, 277 ; upright position 

 of flower, 287 ; part. ally self-fer- 

 tile, 290 



Cheeseman, Mr., on I'terostijUa 

 truUi/olid, 88 ; Acianthus xiii- 

 cluiiH. W : iiiipi rtect fertilisation 

 of rteiodijlis, 280 



Ch/j^is, 146 



(JiiiliHu, contracted stigma, 171 



Cliiiandrum, the, 211 



Ca-loijijne criddta, 146 



Conjcodlies, 90, 173; nectary, 232 ; 



secretion of ne 'tar, 265 



Jieldingii, 175 



macrantha, 175 



speciosa, structure of flower, 



174 



triloba, partial' rself-s-terile. 281 



Criiger, Dr., on the Epidendrex, 

 147; Gongora maciduta, lti8; 

 Stanhopea, 171; Coryauthes, 173; 

 C. inacraniha , 175 ; Catasetuin, 

 197, 200 ; female pollen-masses, 

 202 ; Selenipediuin palmifolimn, 

 232 ; homologies in Orchids, 235 ; 

 bees gnawing the labellum, 270 



Cycnoches egertonkmum, 224 



- — — ventricosum, structure of flower, 

 220-224 



Cymbidium gigaideum, 155 : pol- 

 linia, 252, 260 ; modification of 

 Ibrm, 263 



Cypripedium, structure of flower, 

 226; secretion fiom, 229 ; pcdlen, 

 262 ; labellum, 275 



acaide, 229 



barbatuiH, vessels of, 239 



■ • calceolus, 229-231 ; fertilised 



only by small bees, 282 



candidum, 235 



pubescens, 229, 230 



puipniratnni, vessels of, 239 



Cyrtostylis, 90 



Darwin, Francis, on the movement 



of the awn of Stipa, 273 

 , George, insects fertilising i/cr- 



minium monorchis, 61 ; Gymna- 



denia onopsea, 67 

 -, William, on Epipactispalusiris, 



99, 100 



Delpino on insects being deceived by 

 the presence of a nectary not con- 

 taining neclar, 41 ; sterility of 

 Spider Ophrys, 50, 51 ; Cephalaii- 

 thera ensifoUa, 86 ; movements of 

 pollinia, 155; fi-rtilisationof C'//;n- 

 pedium calceolus, 231 ; iiupi rtict 

 fertili-atiou of Ophrys aranifera 

 iti Liguria, 280 



Dendrobiutii, length of antlier, 287 



bigibbunt, 142 



creluccuiii, 142. 291 



