30 ROSACES. 



Pinner Wood ; frequent in hedges and copses through- 

 out the district. 



0. P. insititia. L. (Bullace.) 



Armed with few spines. 



In hedges at Harrow and Roxeth. Near Pinner Wood. 

 (Flor. Midd.) 



y. P. domestica. L. (Wild Plum.) 



Branches unarmed, or rarely with an occasional spine. 



In a lane near North olt Road, Roxeth. Hedge north 

 of Woodhall Farm, Pinner. 



2. P. Avium. L. (Wild Cherry.) 

 Woods and hedges. 5. 



Harrow Park, and the Grove, Harrow. (Edition i.) 

 Porridge-pot Hill, Pinner. Bentley Priory. (Flor. 

 MM.) 



3. P. Cerasus. L. (Dwarf Cherry.) 

 Copses and hedges. 5. 



Near Harrow Weald Common. (Flor. Midd.) Entered 

 here with a doubt as to the locality being in Middlesex. 



4. P. Padus. L. (Bird Cherry.) 

 Woods and coppices. 5. 



Harrow Park, Payne's Lane, Pinner, most likely 

 introduced. 



SPIRAEA. (Meadow Siveet.) 



i. S. Ulmaria. L. (Meadow Sweet.) 



Meadows, banks of ponds and ditches. 6-8. 

 Frequent at Harrow and in the surrounding district. 



