84 



INDEX. 



Page. 



Crossed fruits of Bartlett compared 74 



Crossing, what it consists of in pears 22 



Crozier, A. A., cited on effects of pollen 56 



Cultivation, effect on trees 76 



Darwin, conclusions in regard to self-fertilization 9 



laws in regard to cross and self-fertilization 10 



De la Ch^ne pear, pollination experiments 45 



Diel pear, pollination experiments 46 



Diseases, effect on fruiting 80 



Doyenne d'Alen^on fruits, description 69 



pear, pollination experiments 46 



seeds, description 69 



Sieulle pear, pollination experiments 46 



Duchesse d'Angouleme (see Angouleme). 



Easter pear, pollination experiments 46 



Ellwanger & Barry's orcliard 27 



Emasculation of flowers, method pursued 24 



Entomosporium maciilatum {see Leaf blight). 



Experimentation, methods in Virginia 24" 



Experiments, general account 13 



results at Geneva 34 



in Virginia 26 



with pears, general conclusions 81 



practical conclusions 82 



synopsis 34 



Fairchild, experiments at Geneva 32, 77 



Fertilization of flowers, obserA^ations by Sprengel 9 



Flemish Beauty pear, pollination experiments 4(; 



Flowers, method of emasculation 24 



Fruit production, factors discussed 75 



Fungus, pear scab 32, 80 



FnsicJadium pyriniim (see Scab of pear). 



Gansels Bergamotte pear, pollination experiments 46 



Garfield, Charles W., cited on effects of pollen 56 



Geneva, experiments 32,77 



results of experiments 34 



weather record 34 



Gray Doyenne pear, pollination experiments 46 



Heathcote fruits, description 70 



pear, pollination experiments 47 



seeds, description 70 



Howell pear, pollination experiments 47 



Insect visitors to pear flowers 79 



visits, effect of rain 77 



weather 79 



Insects, value in pollination 16 



Jones pear, pollination experiments 47 



Kieffer pear, pollination experiments 47 



Knight, observations on pollen 56 



Lawrence pear, pollination experiments 



Leaf blight of pears 80 



Le Conte pear, pollination experiments 49 



Louise Bonne de Jersey pear, pollination experiments 49 



Mannings Elizabeth pear, pollination experiments 49 



