THE DICOTYLEDONES 1649 



In the genus Ruhiis: R. idaeiis (Raspberry), R. friiticosus (a group name 

 including the many forms of Blackberry), R. saxatilis (Stone Bramble) and 

 R. chamaeniorus (Cloudberry) are all well known. 



Fig. 1509. — Priiniis onnenaica. 

 Apricot. 



In the genus Pyrus we may mention P. communis (Pear), P. mains 

 (Fig. 1 5 10) (Apple), P. ancnparia (Rowan or Mountain Ash), P. torminalis 

 (Wild Service), P. aria (White Beam), and in the allied genera Crataegus 



Fig. 1 5 10. — -Pynis mains var. lemoinei {Mains lemoinei) with 

 dark red flowers. 



