68 Proceedvnijs. 



munis in Hants, Phyteuma spicatum in Sussex, Pulmonaria 

 anyustifolia in Hants and Dorset, and Orohanche caryophyllacea 

 on the undercliff between Dover and Folkestone. 



On the other hand, Spiranthes astivalis growing in bogs in 

 Wye Forest, Worcestershire, and in the New Forest, Hants, 

 looks like an old-established native, whose area has been 

 encroached upon by cultivation tiU it is only found lingering 

 in these undisturbed wilds. 



Orchis hircina in Suflfolk and Kent would seem to be a 

 species maintaining a struggle for existence in face of the 

 destruction of one site after another suited to its growth. 



Who can decide to which class to refer Teucrium Botrys, 

 found in three spots in Surrey, in rough, stony valleys on a 

 chalk soil ? Perhaps its occurrence in Belgium favours the 

 idea of its being a colonist in Surrey. On the other hand, 

 the fact that it is being choked by coarser herbage, through 

 the ground having been planted with larches in the Box Hill 

 station, suggests the thought that when there was more 

 rough, stony ground in Surrey it would have a chance of 

 holding its own in other parts of the county, and that it may 

 have shared elsewhere the fate that seems to threaten its 

 existence in that valley. 



Lilium Martagon in the copse in Headley Lane, Surrey, 

 may be regarded as an outcast from some cottage-garden, 

 although it has been pretty well-established there for many 

 years. 



The number of aliens sufficiently established to find a place 

 in the * London Catalogue ' (1886 edition) is 200. 



The spread of some of these plants through England has 

 been very rapid. Veronica Buxbaumii is a well-known example 

 of this. 



One foreign weed has established itself abundantly in the 

 Eeigate district since the Flora was pubhshed (in 1856), 

 Erigeron canadensis, in the sandy fields between Eeigate and 

 KedhiU. 



In 1882 Lathyrus hirsutus and Vicia lutea both appeared in 

 a fallow field at Nutfield, having doubtless been introduced 

 with seed from abroad. The occurrence of Lathyrus hirsutus 



