262 



BRITISH FLOWERING PLANTS 



The fruit is black, which is probably more conspicuous 

 among the brown leaves of autumn. The leaves, 

 which are ciliated, are thin, 

 strongly veined, and toothed at 

 the top. It occurs in Britain only 

 on Ben Nevis and the northern 

 Highlands. 



Erica 

 The parts of the flower are in 

 Fio. i63.-section of flower ^^"^f: ^hs fruit is a capsule with 



of Arctostaphylos alpina. 4 CCUs, OpCUing With Cither 4 Or 8 

 x7. a, anther; m, nee- _.„]_„ 

 tary; p p, lobes of the ^'^^^es. 



corolla; s, sepal; st, E. Tctrallx (Cross-lcaved Heath) 



stigma;™, ovary -^ p^besccnt. The Icavcs are in 



fours, the edges are fringed with long and often glandular 



hairs. The flower is in the 

 form of a bell (Fig. 164), 

 which hangs with its mouth 

 downwards, and is almost 

 closed by the pistil, and 

 stigma [st), which represents 



Flo. 165. — stamen of Erica Tetralix. 

 a, aiitlier; /, filament ; pr, appendages 

 of anther. 



the clapper. The stamens 

 are 8 in number, and each 

 terminates in 2 cells, which 

 diverge slightly, and have at 



BOtion ot nower or Mrwa j.t, • n j T „ 



retndix. a a, anthers ; / /, base their lower end an oval open- 



of filaments ; p, style ; i)»-, append- ing (Fig. 165). But thougll 

 ages of anther ; st, stigma. xi • • • j. j.i i 



this opening is at the lower 

 end of the anther cells the pollen cannot fall out, 



Via. 164. — Section of flower of Erica 



