KEY FOR THE IDENTIFICATION OF TREES AND SHRUBS 65 



98. Leaf 1-2 Inches long, 

 not resinous. 



Genus Vacctnium. . . . 103 

 103. Leaf elliptic, green 

 above, pale beneath, 

 margin soft-hairy, 

 a tall shrub. 

 High Bush Blueberry 

 Vacctnium corymbosum L. 

 103. Leaf lance-elliptic, 

 green both sides, 

 margin with minute, 

 bristle-tipped teeth. 

 Dwarf Blueberry 

 Vacctnium pennsylvanlcum Lam. 

 103. Leaf obovate, pale, 

 smooth, entire or 

 minutely serrate. 

 Late, Low Blueberry 

 Vacctnium vacillans Kalm. 

 98. Leaf 1-2 inches long, 

 linear-lanceolate, 

 white-woolly. See #18. 

 Dwarf Willow 

 Sal ix tristls Ait. 

 98. Leaf 1 inch or less, thin. 



Genus Spiraea io4 



104. Leaf broad-oblong, 

 coarsely serrate, 

 smooth. 

 Meadow-sweet 

 Spiraea latifolta Borkh. 

 104. Leaf oblong, serrate, 

 brown- woolly beneath. 

 Steeple Bush 

 Spiraea tomentosa L. 

 104. Leaf ovate-orbicular, 

 cut-toothed or 3-lobed, 

 - bluish green beneath. 

 Bridal Wreath 

 Spiraea trtlobata L. 

 104. Leaf linear, serrate. 

 Spiraea 

 Spiraea Thunberilt Sieb. 



