90 



AMERICAN MUSEUM CI IDF. LEAFLETS 



The twigs arc smooth and brown, not conspicuously dotted with white. 

 The fat reddish brown buds have lew scales and project from the stem at 

 an angle of 4.")°. The terminal l>nd is often lacking. The twigs may show 

 the bending at the points of attachment of buds as in the gray birch (Fiji. 

 62). The bark on the trunk is dark and furrowed. The basswood sprouts 



iTPistillate 

 Floweis 



St animate 

 Flowers 



FIG, 63. TWIGS OF SMOOTH ALDER 



The buds are st mined. The drawing shows 

 also the winter condition of staminate and pistil- 

 late flow* i s 



out slender branches directly from the trunk. 

 7. Common Alder I Alnus rugosa Spreng.). 

 The brittle twigs are grayish brown and 

 smooth, with scattered lighl spots. Alder 

 can he known by the fact that the smooth FIQ . e4 . white hickory twig : 

 oval buds are on short stems of their own. T|u , u .,, nill , 1 , bu< j ^ :lhv . lv> 



The buds project at an angle of 45° or less largest. Tough, smooth twigs 

 (Fig. 63). This alder and the more north- showing conspicuous lenticels 



