SAPINDACEiE 



like scales ; Buds obtuse ; Wood soft, close -grained, markings like Bird's-eye 

 Maple, polishes well. 



Introduced from N. California, 1826. Also known as Large-leaved 

 Columbia Maple and Oregon Maple. 



MONTPELIER MAPLE, Acer monspessulanum. 



Rarely grows beyond the size of a shrub. May. 



Flowers pale yellow, expanding just before leaves ; in a loose corymb of 

 6-10 flowers, on long, slender, forked peduncles ; Fruit a samara, small, 

 smooth, wings parallel ; peduncles slender, 1 .V in. long. 



Leaves cordate, 3-lobed, lobes equal, entire, oval, glabrous, downy in 

 axils of principal veins on under side, small, shining dark green, petioles 

 long. 



A deciduous shrub or small tree, 10-30 ft. ; dense round head ; Branches 

 forked, much ramified ; Bark reddish-brown. 



Introduced from S. Europe, 1739. 



BOX ELDER, Acer Negundo. 



Parks. This differs from other Maples in having pinnate leaves. The 

 variegated forms are among the most common of all trees in town gardens. 

 April. 



Flowers yellow-green, dioecious, very small, appearing a little before 

 leaves ; Males in fascicles, on filiform pedicels ; Females in racemes ; Calyx 

 5-lobed, campanulate ; Petals absent ; Stamens 4-6, filaments slender, hairy, 

 exserted, anthers linear, surmounted by connective ; Ovary pubescent, on rudi- 

 mentary disk ; style divided into two long stigmatic lobes ; Fruit a samara, 

 1-1| in. long, glabrous, slightly incurved, wing finely veined ; racemes 6-8 

 ins. long. 



Leaves imparipinnate, 3-5 leaflets, ovate or oval, acute or acuminate, 



coarsely and deeply serrated, odd leaflets usually 3-lobed, pubescent when 



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