PYRUS SAMBUCIFOLIA, CHAM. & SCHLECHT. 113 



Bark. Closely resembling bark of P. sambucifolia. 



Winter Buds and Leaves. Buds more or less scythe-shaped, 

 acute, smooth, glutinous. Leaves pinnately compound, alter- 

 nate ; stem grooved, enlarged at base, reddish-brown above ; 

 stipules deciduous ; leaflets 11-19, 2-4 inches long, bright 

 green above, paler beneath, smooth, narrow-oblong or lanceo- 

 late, the terminal often elliptical, finely and sharply serrate 

 above the base ; apex acuminate ; base roundish to acute and 

 unequally sided ; sessile or nearly so, except in the odd leaflet. 



Inflorescence. In terminal, densely compound, large and 

 flatfish cymes ; calyx 5-lobed ; petals 5, white, roundish, short- 

 clawed ; stamens numerous ; ovary inferior ; styles 3. 



Fruit. Round, bright red, about the size of a pea, lasting 

 into winter. 



Horticultural Value. Hardy throughout Xew England ; 

 prefers a good, well-drained soil ; rate of growth slow and 

 nearly uniform. It is readily transplanted and would be 

 useful on the borders of woods, in plantations of low trees, 

 and in seaside exposures. Bare in nurseries and seldom for 

 sale by collectors. The readily obtainable and more showy 

 European P. aucuparla is to be preferred for ornamental 

 purposes. 



Plate LVII. Pyrus Americana. 



1. Winter buds. 



2. Flowering branch. 



3. Flower with part of perianth and stamens removed. 



4. Petal. 



5. Fruiting branch. 



Pyrus sambucifolia, Cham. & Schlecht. 



Sorbus sambucifolia, Rcem. 



Mountain Ash. 



Habitat and Range. Mountain slopes, cool woods, along the 

 shores of rivers and ponds, often associated with P. Ameri- 

 cana, but climbing higher up the mountains. 



From Labrador and Xova Scotia west to the Rocky mountains, 

 then northward along the mountain ranges to Alaska. 



