304 



QUERCUS 



both ends, margined with coarse triangular teeth, each terminated by a 

 small, slender, abrupt point ; 3 to 7^ ins. long, i|- to 3 ins. wide ; dark glossy 

 green above and smooth except when quite young ; dull greyish beneath, and 

 clothed with minute down ; stalk ^ to i in. long, downy. The larger leaves 

 have ten to twelve pairs of parallel veins, prominent beneath, which run out 

 and furnish the short mucronate tip of the tooth. Acorn f to ij ins. long, 

 flattened at the top, and half enclosed in a cup with reflexed downy scales. 



QUERCUS CASTANE^EFOLIA. 



Native of the Caucasus and Persia ; introduced in the first half of the 

 nineteeth century. A very handsome and striking tree, with a leaf resembling 

 that of a Spanish chestnut in form ; it is still very rare. There is a fine tree 

 at Kew just over 60 ft. high, and about 10 ft. in girth of trunk, with a wide- 

 spreading head of branches. 



Var. ALGERIENSIS. Whilst what may be regarded as the type is found in 

 the Caucasus, an almost identical tree occurs in great numbers in Algeria. 

 This differs from the Caucasian form in its erect pyramidal habit and deeply 



