Forest Trees and Shrubs of Meriden, Conn. 71 



XXI. POMACE.^. The Apple Family. 



110. CRATAEGUS CRUS-GALLI. (Linn.; 



Cock-spur Thorn. Newcastle Thorn. 



Grows from ten to fifteen feet high; wide branches, and armed 

 with short tapering thorns. Makes one of the most durable and 

 effective hedges. Wood close-grained, hard, satiny, and suscep- 

 tible of a fine polish. Specific gravity, 0.7164; ash, 056. 



111. CRAT^GUS COCCINEA. (Linn.) 



Scarlet-fruited Thorn. Scarlet Haw. Red Haw. White 

 Thorn. 



A small tree, seldom over twenty feet high. Leaves, bright 

 green. Flowers, large, in large clusters. Wood hard, close- 

 grained, compact. Specific gravity, 0.8618; ash, 0.38. 



112. CRAT^GUS TOMENTOSA. (Linn.) 



Pear-leaved Thorn. Black or Pear Hawthorn. Black 

 Thorn. Pear Haw. 



A common and hardy thorn. Grows from twenty to thirty feet 

 high. Wood hard, not strong, close-grained, compact. Specific 

 gravity, 0.7633; ash, 0.50. 



There are a great many varieties of the Crat^gus. The C. 

 oxycantha, English Hawthorn, has been extensively introduced 

 and cultivated in gardens. The C. punctata (Gra.y), Dotted-fruited 

 Thorn, a variety of the C. tomentosa, is sometimes found in wet 

 grounds. 



e 



118. PYRUS COMMUNIS. (Ltnn.) PYRUS MALUS. 



(Linn.) 

 Pear and Apple. 



An extensive genus, containing about forty species, including the 

 apple, pear, crab-apple, quince, etc., and innumerable varieties. 



114. PYRUS AMERICANA. ^De Candolle.) 



American Mountain Ash. 



Grows from ten lo twenty feet high. .\ handsome, ornamental 

 tree. Is very nearly related to P. aucuparia, European Mountain 

 Ash. Wood light, soft, close-grained. Specific gravity, 0.5451 : 

 ash. 0.8^. 



