206 



ROSACE^E. 



PYRUS ARIA (White Beam-Tree). 



remarkably white and silky beneath, especially when 

 beginning to expand. Nowhere is tnis tree more orna- 

 mental than on the ruinous walls of the ancient Roman 

 town of Silchester, where it abounds. Fl. June. Tree. 



17. MESPILUS (Medlar). 



I. M. Germdnica (Common Medlar). A tree well 

 known in a cultivated state, but nowhere, perhaps, in 

 Great Britain truly wild. The flowers are white and 

 very large, and the fruit is remarkably flattened at the 

 top, exposing the upper ends of the long seed-cells. 

 Fl. May. Tree. 



18. CRAT^EGUS (Hawthorn). 



1. C. Oxyacantha (Hawthorn, White-thorn, or May- 

 bush). A tree which, though it varies considerably in 



