94 III. INTRODUCED SPECIES. 



1. Species introduced to Britain (A. Be Candolle, dc.) ; — with the indicationt 

 of station from Manual, 3rd edition.; 



1. Fumaria officinalis. Common. 



2. Valerianella Auricula. Cultivated land. 



3. Polygonum Convolvulus. Cultivated and waste land. 



4. Euphorbia Helioscopea. Waste and cultivated land. 



5. Mercurialis annua. Waste and cultiv.ited land. 



6. Valerianella olitoria. Corn-fields and banks. 



7. MelampjTum arvense. Corn-fields and dry banks. 



8. Fumaria micrantha. Fields. 



9. Scandis Pecten Veneris. Fields. 



10. Euphorbia platyphyllos. Fields. 



11. Papaver hybridum. Sandy fields. 

 13. Apera Spica-venti. Sandy fields. 



13. SUene noctiflora. Sandy and gravelly fields. 

 ' 14. Linaria minor. Sandy and gravelly fields. 



15. Antirrhinum Orontium. Dry sandy and gravelly fields. 



16. Ajuga Chamffipitys. Sandy and chalky fields. 



17. Geranium pyrenaicum. Road-sides and pastures. 



18. Lycopsis arvensis. Fields and hedges. 



19. Scrophularia vernalis. Waste places. 



20. Eumex pulcher. Dry waste places. 



21. Asperugo procumbens. Eich waste ground. 



22. Anthemis Cotula. Fields and waste places. 



23. FUago galUca. Dry gravelly places, very rare. 



24. Medicago falcata. Sandy and gravelly places. 



25. MelUotus vulgaris. Sandy and graveUy places near the sea. 



and for the (presumed) Natives. Consequently, such 

 records m descriptive works are so far shown to be no 

 real and safe tests, by which to separate the native and 

 introduced plants of this country, or to distinguish the 

 non-naturalised species from the rest. 



Such illustrations might be increased to a large extent 

 from botanical writings, and from the works of foreigners 

 as well as from those of English botanists. But without 

 occupying more pages with them here, it is conceived 

 that examples enough have been adduced, for the pur- 



