KEY TO GENERA AND SPECIES 49 



90. Cones 1 1 to 2 inches long; scales rounded, 

 not ragged. Foliage usually with an un- 

 pleasant odor. Northern New England 



Magnified section 



of leaf 

 (diagram) 



Fig. 82. White Spruce. Showing leaf arrangement, 

 smooth branchlet and leaf section. 



northward and westward. (Fig. 82.) White 

 Spruce, Single Spruce, Skunk Spruce, Cat 

 Spruce, Picea canadensis (Mill.) BSP. 



WILLOW. Leaves narrow, except in Bay-leaved 

 Willow. Flowers in catkins. Stamens 2 to 8. 

 Bracts not fringed. Fruit a small elongated 

 dry pod. Seeds small, with long hairs. 

 Many hybrids.* 



91. Length of the blade not more than 3 times its 

 width. Teeth blunt and glandular, 15 to 20 



"The Glaucous Willow (Salix discolor Muhl.), the Shining 

 Willow (S. lucida Muhl.), including also a variety of it, and the 

 Balsam Willow (S. balsamifera Barratt) are generally shrubs and 

 are not included in the key. All of these, however, may assume 

 a tree-like habit along our northern border. See Williams in 

 Rhodora 3: 277 (1901). 



