52 VALERIANACE^. 



SHERARDIA. (Field Madder.} 



I. S. arvensis. L. (Blue Sherardia, or Little Field 

 Madder.) 



Corn-fields and gravelly soil. 4-10. 



Fields at Ruislip ; Pinner Hill ; near Harrow Railway 

 Station. (Farrar.) Horsington Hill. (Flor. Midd.} 



ASPERULA. ( Woodruff.} 



i. A. odorata. L. (Sweet Woodruff.) 



Woods and shady places. 5, 6. 



Ruislip ; path by Julian Hill, Harrow. (Farrar.) 

 Stanmore. (Flor. Midd.} 



ORDER XLIV. VALERIANACE^E. (VALERIAN TRIBE.) 

 CENTRANTHUS. (Spur Valerian.} 



I. C. ruber.* DC. (Red Spur Valerian.) 

 Chalky ground and old walls. 6-9. 

 Headstone Moat ; likely from cultivation. 



VALERIANA. ( Valerian.} 



1. V. officinalis. L. (Great Wild Valerian.) 

 Ditches and sides of rivers. 6-8. 



Ditches at Ruislip, side of Pinner Brook. 



2. V. dioica, L. (Small Marsh Valerian.) 

 Moist places. 5, 6. 



Wet pastures at Ruislip. 



