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 omus.) 



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.) 



Leap : 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. (Madura aurantica.) 



Leaf : 3-5', 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 : 1-2', 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°-20° ; often thorny. 

 Europe. 



52. Chinese Honey-Iocust. (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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