TOWN PLANTING 



machid) thrives well as a window plant, while 

 in the chemically impure atmosphere of Lam- 

 beth one of the Veronicas is the favourite 

 plant for indoor culture. The St. John's 

 Worts (Hypericum) do not as a rule thrive 

 well in London ; yet around the Tate Gallery, 

 which is only divided by the river from the 

 Lambeth pottery district the worst in the 

 metropolis for atmospheric impurities one 

 species at least flourishes amazingly, and has 

 produced flowers in abundance for many 

 years past; while, at St. Paul's Churchyard, 

 the lesser Periwinkle (Vinca minor) has be- 

 come quite established and runs about freely. 

 In Chancery Lane, at the Record Office, the 

 common Ivy, Bladder Senna, and Yucca do 

 best. In other parts of London two well 

 known varieties of Campanula are largely 

 grown as pot plants. It is a some- 

 what strange fact, too, that some varieties 

 of trees and shrubs succeed better than the 

 type species in smoky localities, as witness 

 the London Plane (a variety of Platanus 

 orientalis), variegated-leaved Sycamore, Fasti- 



