iv Contents 



PAGES 



group^-The Dame Aubert type The Prunes The 

 Perdrigcns The Diamond type The Bradshaw type 

 The Lombard type The Russian varieties The 

 Domesticas are highly ameliorated The adaptations 

 Their future. 



CHAPTER IV 



THE DAMSONS 30-33 



Their relation to the Domesticas Their separateness 

 Their history Possible genesis The Bullace The 

 Damsons in cultivation They come nearly true from 

 seed. 



CHAPTER V 



THE MYROBALAN PLUMS 35-37 



Marianna not the best type Myrobalan an offshoot 

 of Prunus dome'stica Varieties of this group Mari- 

 anna and others in the orchard Pissard The My- 

 robalan in hybridization. 



CHAPTER VI 



THE SIMON PLUM 38-41 



Introduction to America Origin History Botani- 

 cal status Commercial standing Value in hybridiz- 

 ingThe future. 



CHAPTER VII 



THE JAPANESE PLUMS 42-47 



History of their introduction The first trees Na- 

 tivity In Europe Popularity in America Im- 

 portance Characters Blossoming Hardiness 

 Their future. 



CHAPTER VIII 



THE AMERICANA GROUP . 48-54 



The most prominent American type Largely grown 

 in the orchard Natural range Commercial range 

 Natural habitat Pomological characteristics Pecu- 

 liarities of the flowers The fruit Quality Cling- 

 stones Salability Productiveness Too many va- 

 rieties. 



CHAPTER IX 



THE NIGRA GROUP 55-57 



Importance Botanical history The author's view 

 Pomological standing of the group Distinguishing 

 characters Pomological characteristics. 



