164 



TREE OF HEAVEN 



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Fig. 36. Leaflet of Walnut, Juglans regia. Venation pinnate-looped. 

 a midrib ; 6 secondary ; c tertiary, forming cross-tie ; d shows the forward 

 looping ; e terminals, p. 162 (Ett). 



Ailanihus glandulosa, Desf. Ailanthus, Tree of Heaven. 

 Large tree, with the leaves sometimes enormous, up to 

 50 80 cm. long. The latter come out late, and are red 

 when young : they fall with the first frosts, the leaflets 



