120 ni. INTRODUCED SPECIES. 



Artemisia Absinthium. Often an escape from old gardens. 

 Matricaria Chamomilla, Road-sides ; heaps; cultivated land. 

 Phyteuma spicatum. Very local. Formerly cultivated. 

 Villarsia nymphajoides. Introduced to most of its localities. 

 Hyoscyamus niger. Often about houses, and frequented spots. 

 Solanum nigrum. Chiefly near houses ; on rubbish, &c. 

 Verbascum Lychnitis. Local. Near old houses, &c. 



floccosum. Local. Situations read suspiciously. 

 Verbena officinalis. Near houses ; by way-sides. 

 Salvia verbenaca. By way-sides ; near old abodes. 

 Mentha piperita. Possibly an escape from gardens. 



rubra. Always near houses and roads ? 

 Galeopsis Tetrahit. Usually among crops ; sometimes elsewhere. 



versicolor. Almost always among crops. 

 Nepeta Cataria. In isolated places ; near houses. 

 Echium vulgare. Among crops ; by road-sides, &c. 

 Chenopodium glaucum, &c. Roads ; rubbish ; frequented places. 

 Hippophae rhamnoides. Planted in most of its localities. 

 Urtica dioica. Attends the steps of man and cattle. 



urens. Cultivated ground ; near houses. 

 Parietaria officinalis. Ou buildings, not rocks ; by roads. 

 Acorus Calamus. Local. Doubted, Appears native. 

 Cyperus fuscus. Sown in one or two of its three localities ? 

 Gaslridium lendigerum. Agrestal chiefly. 



5. Views of Dr. Goclron, in France. 



Although not within the plan of this work, to treat 

 ahout the distribution of British species through other 

 countries, it seems allowable here to mention the views 

 of Dr. Godron, in regard to the condition of several of 

 the seemingly British species in France. This able bo- 

 tanist lately published a Memoir under the long title of 

 " Considerations sur les Migrations des Vegetaux et special- 

 ment sur ceux qui, Etrangers au sol de France, y ont ete 

 introduits accidentellement." In this Memoir Dr. Godron 

 does not profess to give a list of all the species thus 

 introduced. Among those which he does enumerate, are 



