140 TOWN PLANTING 



Wilson and Van Houttei. Auriculas are well 

 adapted for and most useful on the town 

 rockery, where they flower with the utmost 

 freedom; which also may be said of that 

 useful wall plant the Toadflax (Linaria cym- 

 balaria). The free growing and remark- 

 ably handsome L. pallid a also does well and 

 produces its flowers in profusion, while L. 

 hepaticifolia and L. hederacea are also desir- 

 able. Few species of Primula are adapted 

 for smoky localities, though the too little 

 known P. Sieboldii has been found peculiarly 

 suited for the London garden, where it flowers 

 and increases freely. Amongst Orchids that 

 I have found amenable to cultivation in the 

 town garden, particular mention may be made 

 of the MOCASSIN FLOWER (Cypripedium 

 spectabile) and the ENGLISH LADY'S SLIP- 

 PER (C. Calceolus), the former having become 

 established in a shady, dampish corner of my 

 garden, where it annually produces from six 

 to fifteen flowers. Growing in the company 

 of EMPETRUM and VACCINIUM the MADEIRA 

 ORCHID (O. foliosa) seems to grow and 



