56 COMPOSITE. TKIBE I. 



roads ; in the lanes at Pinner and Eastcott. It is one of 

 the rarities of Harrow. The whole plant is poisonous. 



2. L. Scariola. L. (Prickly Lettuce.) 

 Waste ground, rare. 8, 9. 



Near Harrow. (Hemsley. ) 



3. L. muralis. DC. (Ivy-leaved Lettuce.) 

 Banks, rocks, and old walls. 7, 8. 



Headstone Lane and Payne's Lane, Pinner ; Pinner 

 Hill ; Ruislip Church. 



SONCHUS. (Sow Thistle.} 



1. S. arvensis. L. (Corn Sow Thistle.) 

 Corn-fields. 8, 9. 



Near Kenton, and in Headstone Drive ; Pinner Hill. 

 Alperton ; Harrow Weald Churchyard. (Flor. Midd.) 



2. S. oleraceus. L. (Common Annual Sow Thistle.) 

 Waste places and cultivated ground. 6-8. 

 Abundant ; both the varieties, with leaves divided and 



leaves entire, found commonly. 



3. S. asper. Hoffm. (Sharp-fringed Annual Sow Thistle.) 

 Waste places. 6-8. 



At Kenton, and road sides, Harrow ; Pinner ; not so 

 common as the preceding. I also have found it at Green- 

 ford, near the Canal. (Edition i.) 



CREPIS. (Hawk's Beard.} 



I. C. virens. L. (Smooth Hawk's Beard.) 



Dry pastures, etc. 6-9. 



Ruislip, abundant ; Headstone Drive ; Roxborough ; 

 Pinner. 



