TENDER SHRUBS IN SOUTH-WEST 207 



known greenhouse plant. At Tresco both the single 

 and double forms are grown, and attain a height of 10 

 feet. The single form is also met with in mainland 

 gardens, where it is often in flower in February. 



VERONICA HULKEANA. New Zealand. An ever- 

 green shrub, bearing branching panicles of pale-lilac 

 flowers, doing best with the support and protection 

 of a wall. To be found in many gardens. 



WESTRINGIA TRIPHYLLA. Australia. Evergreen 

 shrub, bearing blue flowers in summer. Tregothnan. 



