BOTANY AND ZOOLOGY OF CHINA 



97 



The plum trees, which are 'found in North Manchuria 

 belong to several species of the Prunus genera. 



According to Mr. V. L. Komarov, they belong to Prunus 

 (Eu prunus) communis Huds. At present except the Man- 

 churian type of plums the most common in North Manchuria 

 are the plum trees of the Satsuma plum specie of Japan, 

 which is so famous in America. These plums have oblong 

 leaves with short ends and the fruits are larger than the 

 fruits of the first type. 



Besides these species transitory forms between the Man- 

 churian and the Japanese plum trees have been observed and 

 also trees with large bright leaves, these leaves were 3 to 4 

 times larger than some of the Manchurian plums. Some of 

 the plum trees seen in North Manchuria are probably the 



o© o. 



"(si) 



Plate I. 



