Description of Foreign Trees 



(calyx 5-parted in latter, 5 distinct sepals in former, petals 5 

 or 10) ; June ; corky bark. Amur. 



47. Flowering Ash. (Fraxinus ornus.) 



LEAF : pinnate, opposite ; leaflets, 5-9, serrate, entire at base, 

 small, oblong to lance-shaped, downy beneath. FLOWER : small 

 (petals 4 or 2, greenish), along branch, with or before leaves. 

 Southern Europe. 



48. European or English Ash. (Fraxinus excelsior.) 



LEAF : pinnate, opposite ; leaflets, 5-9, serrate, lance-oblong, 

 bright green, almost stemless. FLOWER : no petals, hardly 

 calyx. Var. weeping ash (in Park) has pendent branches. 

 Southern Europe. 



49. Red Horse-chestnut. (Pavia rubra.) 



LEAF : palmate, opposite ; leaflets, 5-7, bright green. FLOWER : 

 rose- red (petals 4, stamens usually 8), in dense panicles, early 

 summer ; fruit prickly ; probably a hybrid ; low tree and shrub. 

 Asia. 



50. Osage Orange. (Maclura aurantica.) 



LEAF: 3'-$', simple, alternate, entire, lance-ovate; fruit 

 crowded in spherical head, size of orange ; bark rough, yellow- 

 tinged ; usually spiny. Arkansas, etc. (PL III.) 



51. Common Sandthorn. (Hippophae rhamnoides.) 



LEAF: i'-2 r , simple, alternate, entire, long-elliptical, green 

 above, silvery beneath. FLOWER : yellowish or greenish, the 

 staminate with 2 small, ovate sepals, 4 stamens ; pistillate with 

 lobed, tubular calyx ; fruit orange-color ; io-2O ; often thorny. 

 Europe. 



52. Chinese Honey-locust. (Gleditschia sinensis.) 



LEAF : pinnate or twice-pinnate ; leaflets small, entire, oval, 

 broader than in native species. FLOWERS same as, thorns 

 stouter than, in our species. 



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