SOAPBERRY FAMILY. Ill 



rate ; clusters of white flowers short, thyrsoid ; wings of fruit diverging 

 at an acute angle. Leaves very bright colored in autumn. Var. Ginnala. 

 Leaves much longer than broad, mostly deeply 3-lobed. Mediterranean 

 to E. Asia. 



A. spicatum, Lam. MOUNTAIN M. Tall shrub or tree ; leaves slightly 

 3-lobed and coarsely toothed, downy beneath ; spike-like clusters of small 

 greenish-yellow flowers ; fruits with narrow wings diverging at an obtuse 

 angle. Flowers June. N. 



w- <- Flower clusters pendulous. 



A. Pseudo-P/dtanus, Linn. SYCAMORE M. A fine tree, with spread- 

 ing branches, ample 5-lobed leaves, whitish and rather downy beneath, on 

 long reddish petioles, the lobes toothed, elongated ; clusters of greenish 

 flowers ; wings of the pubescent fruit moderately spreading. Eu. A great 

 many forms, with golden, purple, or variegated leaves are cult. 



A. Fennsylvnicum, Linn. STRIPED M., MOOSE WOOD. Small tree ; 

 bark li^ht green, striped with darker lines ; leaves large, thin, finely 

 sharply serrate all round, and at the end with 3 short and very taper- 

 pointed lobes ; racemes of rather large green flowers, slender and loose ; 

 fruit glabrous with very divergent wings. Common N. 



t- - Leaves 7-ll-lobed or parted (sometimes dissected), with as many 

 ribs ; flowers in corymbiform clusters. 



A. circinatum, Pursh. VINE M. Spreading shrub or tree ; leaves thin 

 and rounded, moderately 7-9-lobed, the lobes serrate ; drooping clusters 

 of 10-20 purplish flowers ; wings of fruit strongly diverging. Oregon. 



A. /> a//nd to/w, Thunb. JAPAN M. A large tree ; leaves 7-11-parted ; 

 the segments narrow, often much laciniate ; small purple flowers in 

 erect clusters. A great number of forms with variously cut and colored 

 leaves in cult, under many names: A. POLYMORPHUM, A. JAPONICUM (of 

 horticulturists, not Thunberg), A. DISSE'CTDM, etc. 



* * Flowet clusters corymbiform, terminating shoots of the season, or 

 some from lateral buds, appearing with the leaves. 



I- Sepals distinct ; petals present. 

 M- Leaves thin, with taper-pointed lobes. 



A. platanoldes, Linn. NORWAY M. A handsome, round-headed tree ; 

 leaves broad, smooth, bright green both sides, their 5 short lobes set with 

 2-5 coarse and taper-pointed teeth ; flowers numerous ; fruit flat, smooth, 

 with wings 2' long diverging in a straight line. Juice milky ; leaves hold- 

 ing green later than others. There are cut and variegated-leaved forms ; 

 also with colored foliage. 



A. Lobelii, Tenore. A tree much resembling the preceding, except 

 that the leaves are 5-7-lobed, with the lobes almost or quite entire. S. 

 Eu. Forms with reddish or variegated leaves are most planted. 



A. pictum, Thunb., from Asia, with fruit wings, V,-2 times the carpel 

 (2-3 times in A. Lobelii), and diverging at a right angle, may be different. 



*-* -w Leaves thickish and firm, lobes blunt. 



A. campSstre, Linn. A low shrub or tree ; long-petioled, 5-lobed leases ; 

 lobes with a few, large blunt teeth ; fruit wings in a line or even recurved. 



- I- Sepals united ; petals ; leaf-lobes taper-pointed. 

 A. saccharinum, Wang. ROCK or SUGAR M. Leaves rather deeply 

 3-5-lobed, pule or whitish beneath, the sinuses open and rounded, and 

 the lobes with one or two sinuate, coarse teeth ; calyx bell-shaped and 

 hairy -fringed ; wings of fruit ascending, barely 1' long. Large trees 

 common, especially N., valuable for timber and for the sugar of their sap. 



