HEATH TRIBE. 



397 



ERICA VAGANS (Cornish Heath). 



rose-coloured, or pure white. In the purple variety the 

 anthers are dark purple ; in the white, bright red ; and 

 in all cases they form a ring outside the corolla until 

 they have shed their pollen, when they droop to the 

 sides. On the Goonhilley Downs, in Cornwall, all three 

 varieties of this Heath grow together in the greatest 

 profusion, covering many thousands of acres, and almost 

 excluding the two species so common elsewhere. Fl. 

 July September. Shrub. 



* Less common species of Heath are E. Mackaii 

 (Mackay's Heath), approaching closely to E. Tetralix, 



