Contents 



Page 



Introduction 1 



Explanations . 3 



Key to locations of reported documented crabapple 



material of authentic origin _ 4 



Key to originators or introducers of cultivar progeny 5 



Notes concerning some selected crabapple cultivars 6 



Notes concerning some selected apple cultivars 7 



Part I : Crabapple taxa recorded in survey 8 



Section A: Species, varieties, and related cultivars 8 



Section B: Cultivars 24 



Part II : Genealogical schemes showing probable parental 



relationships for previously cited progeny 64 



Section A: Species 64 



Section B : Cultivars 64 



Selected references 83 



Appendix 1 88 



Appendix 2 89 



Appendix 3 90 



Botanical index 91 



Section A : Species, varieties, and related cultivars 91 



Section B : Cultivars 95 



Index to persons and institutions involved in 



crabapple introduction 103 



IV 



