ROSACEiE 



hard and tough, used as a substitute for Box-wood in engraving, and for 

 small turnery and cabinet-work. 



Indigenous throughout Jiritish Isles ; makes a good hedge plant ; said 

 to live perhaps 200 years. English name from A.S. hcvgc, a hedge, and 

 thorn; Generic name from Cir. kratos, strength; specific name from Gr. oxys, 

 sharp, and acantha, a tliorn. 



Injurmis Insects: — Thorn Fly {Aphis Cratccgi), Lackey Moth {Bombijx 

 neustria). Mottled Umber Moth {Hybernia defoUaria), March Moth {Anisop- 

 teryx ccscidaria). Brown-tail Moth {Poiihesia chrysoJ'?'hcea), Ermine Moths 

 ( Hyponomeutidce). 



Fungoid Pests: — Hawthorn Powdery Mildew {Podosphccra Oxyacanthce). 



Gall consisting of a tuft of leaves at the summit of a shoot is produced 

 by a Gall-gnat {Cecidomyia crativgi) allied to the Hessian-fly (C destntcto?'). 



LARGE-FRUITED THORN, Cratcvgus punctata. 



Parks, gardens. JSIay. 



Floivers white, ^f in. diam., in a many-flowered compound corymb, 

 tomentose or villose ; Calyx-tube villose or tomentose, lobes narrow, acute, 

 entire or glandular serrate ; Stamens 20, anthers rose or j'ellow ; Styles 5, 

 tufts of white hairs at base ; Fruit a pome, oblong or sub-globose, ^-1 in. 

 long, red, or sometimes yellow dotted, flesh thin and dry ; nutlets 5. 



Leaves alternate, obovate, cuneate and entire at base, rounded or acute 

 at apex, serrate, glabrous, thick, firm, grey-green, villose beneath, 2-3 ins. 

 long, f- 1^ in. wide ; petioles stout, winged. Autumn tints orange and 

 scarlet. 



A deciduous t?-ce, 15-30 ft. ; Branches stout, spreading, nearly at right 

 angles ; Twigs light orange-brown or ashy-grey ; Spines slender, 2-3 ins. 

 long. 



Introduced from U.S.A., 174G. 



VOL. II. 25 c 



