10 CRUCIFEBJE. 



Banks and old walls at Ruislip. Headstone, Pinner. 

 This species is sometimes called Arabis Thaliana. L. 



ALLIARIA. ( Garlic Mustard.} 



I. A. officinalis. DC. (Garlic Hedge Treacle Mustard. 

 Jack by the Hedge. Sauce alone.) 



Hedge banks and waste places. 5-7. 



Common. The whole plant smells like garlic, hence 

 its name. 



ERYSIMUM. (Treacle Mustard.} 



I. E. cheiranthoides. L. (Worm-seed Treacle 



Mustard.) 



Gardens and waste places. 6-8. 

 Corn-fields at Wood End. The Circuits, Pinner. 



CAPSELLA. (Shepherd's Purse.} 



I. C. Bursa pastoris. DC. (Common Shepherd's 

 Purse.) 



Waste places. 3-11. 



Everywhere. This and the grass, Poa Annua, are 

 considered to be the most common plants in the world. 



LEPIDIUM. (Pepper Wort.} 



1. L. campestre. Br. (Common Mithridate Pepper 



Wort.) 



Dry gravelly soil. 5-8. 

 Common. Headstone Drive, Corn-fields at Ruislip, etc. 



2. L. ruderale. L. (Rubbish Pepperwort.) 

 Waste places, usually by the sea. 



In some abundance by the canal at Alperton (Newbould). 



