( 475 ) 



INDEX. 



Abutilon dartcinii, self- sterile in 

 Brazil, 333, 358 ; moderately self- 

 fertile in England, 344 ; fertilised 

 by birda, 371 



Acacia sphxrocephala, 406 



Acanthacex, 96 



Aconitum napellus, 431 



Adlumia cirrhosa, 366 



Adonis xstivali*, * 128 ; measure- 

 ments, 128; relative heights of 

 crossed and self-fertilised plants, 

 277 ; self-fertile, 365 



Ajuga reptans, 368 



Attium cepa (blood-red var.), 369 



AnagaUis collina (var. grandiftora), 

 217, 267; measurements, 218; 

 seeds, 316, 323, 325 



Anderson, J., on the Calceolaria, 87 ; 

 removing the corollas, 423 



Anemone, 396 



Anemophilous plants, 401; often 

 diclinous, 411 



Antirrhinum majus (red var.), 363 ; 

 perforated corolla, 432 



(white var.), 363 



(peloric var.), 363 



Apium petroselinum, 172 ; result of 

 experiments, 277 



Argemone ochroleuca, 366 



Aristotle on bees frequenting flowers 

 of the same species, 418 



Aristolochia, 420 



Arum maculatum, 420 



Bailey, Mr.. 

 430 



perforation of corolla, 



BENNETT. 



Bartonia aurea, 170 ; measurements, 

 170, 171 ; result of experiments, 

 277 



Bartsia odontites, 369 



Beal, W. J., sterility of Kalmia 

 latifolia, 359 ; on nectar in Ribes 

 aureum, 435 



Bean, the common, 435 



Bees distinguish colours, 373; fre- 

 quent the flowers of the same 

 species, 418, 423; guided by 

 coloured corolla, 423; powers of 

 vision and discrimination, 425; 

 memory, 426; unattracted by 

 odour of certain flowers, 426; 

 industry, 427; profit by the co- 

 rolla perforated by humble-bees, 

 430 ; skill in working, 431 ; habit, 

 434 ; foresight, 436 



, humble, recognise varieties 



as of one species, 419; colour 

 not the sole guide, 424; rate of 

 flying, 427; number of flowers 

 visited, 428; corolla perforated 

 by, 429, 436; skill and judgment, 

 432 



Belt, Mr., the hairs of Digitalis 

 purpurea, 82 ; Phaseolus multi- 

 florus, 151 ; not visited by bees 

 in Nicaragua, 360 ; humming- 

 birds carrying pollen, 371 ; se- 

 cretion of nectar, 404 ; in Acacia 

 sphterocephalus and passion- 

 flower, 406 ; perforation of corolla, 

 433 



Bennett, A. W., on Viola tricolor, 

 123; structure of Impatient f viva, 

 367; plants flowering in winter, 

 386 ; bees frequenting flowers of 

 game species, 419 



