460 



NATURALIZED PLANTS OF GREAT BRITAIN. 



[June, 



Asarum europseum. ^ 



' Deuizens," 



Cyb. Brit. hoJZt . 



Hum ulug L upulus 



Ulmus suberosa. 



Salix acuminata. 



Populus alba. 



Populus canescens. 



Cyperus fiiscus. 



Setaria viridis. ") " Denizens," 



Digitaria humifasa. i Cyb. Brit. 



Graliuin VaUlantii. 



Adventitious : 

 Teuerium Botrys. 

 ? Verbascum Blattaria. 

 ? Medicago sylvestris. 

 ? Medicago falcata. 

 ? Melilotus alba. 



Cultivated unintentionally, 

 Iberis amara. 

 Gralium Yaillantii. 



On the others no decision is given^ though it may be presumed 

 several are thought so certainly indigenous as to require no 

 comment. 



2. Admitted as natives in the London Catalogue and 'Bri- 

 tish Flora.' 



Ranunculus arvensis. 

 Bromus secalinus. 



De CandoUe considers both cultivated 

 unintentionally. 



C^j 



The first receives the mark of slight suspicion, the second is 

 enclosed in brackets, by Babington. 



3. Admitted in Babington's ' Manual ' and in the ' British 

 Flora/ but italicized in the ' London Catalogue :' — 



The Stratiotes is said to come from the far-east of Asia, Moluccas^ 

 Java, and Malabar : all the plants gathered in France belong to 

 one sex. 



4. The London Catalogue stands alone in admitting the fol- 

 lowing : — 



