FLOWERING PLANTS. 29 



3. S. sylvaticus. Wood Senecio. 7-9. 

 Egginton Road. 



5. S. aquaticus. Water Senecio. 7-9. 

 Old Trent, near Bull's Meadow. 



6. S. Jacohcea. Ragwort. 7-9. 

 Tan-yard Lane. 



7. S. erucifolius. Narrow-leaved Senecio. 7-8. 

 Dry-banks. 



XIX.— BIDENS. 



1. B. cernua. Bur-Marigold, 7-9. 

 Crewe's Pond. 



2. B. tripartita. Three-cleft Bidens. 7-9. 

 Brook-end. 



XXI.— AECTIUM. 



1. A. Lappa. Bur-dock. 7-8. 

 Tan-yard Lane. 



XXII.— SEEEATULA. 



1. S. tinctoria. Common Sawwort. 8. 

 Groves and Pastures. 



XXIV.— CAEDUUS. 



2. C. nutans. Musk Thistle. 6-8. 

 Milton Road. 



3. C. acanthoides. Welted Thistle. 6-7. 

 Willington Road. 



5, C. lanceolatus. Spear Thistle, 7-9. 

 Burton Road. 



