118 



ANDROMEDE^. 



[part 



which open lengthways, instead of by pores, it 

 does not appear even to belong to the Ericacese. 

 The other genera in this sub -tribe are quite 

 distinct from each other, and contain several 

 well-known plants. The most popular of these 

 genera are Arbutus, Arctostaphylos, Gaultheria, 

 and Clethra. 



The Strawberry tree (Arbutus Unedo) has 

 little bell-shaped flowers, contracted at the 

 mouth, and with a curling-back limb, which are 

 easily recognised as belonging to the Ericacese. 

 They have ten stamens, the filaments of which 

 are hairy at the base (see a in Ji^. 55) and 



inserted in the 

 disk; which in 

 this genus is 

 large, and rises 

 up round the 

 ovary (see I). 

 The calyx is 

 permanent, and 



Fio. 55.— Fruit &c. of Arbutus Unedo. fivC-clcft ; and 



the flowers are produced in panicles, and each is 

 furnished with a bract. The fruit, which retains 

 the calyx when ripe, is a granular berry, covered 

 with tubercles on the outside ; and it has five 

 cefls (c) containing the seeds. There are nu- 

 merous varieties of this species common in 

 British gardens, besides a very beautiful hybrid 



