134 



TREES OP THE NORTHERN UNITED STATES 



1. fhmus fdlva, Michx. (SLIPPERY OR 

 BED ELM.) Leaves large, 4 to 8 in., very 

 rough above, ovate-oblong, taper-point- 

 ed, doubly serrate, soft-downy beneath ; 

 branehlets downy ; inner bark very mu- 

 cilaginous; leaves sweet-scented in dry- 

 ing ; buds in spring soft and downy with 

 rusty hairs. Fruit with a shallow notch 

 in the wing not nearly reaching the 

 rounded nut. A medium-sized tree, 45 to 60 

 ft. high, with tough and very durable red- 

 dish wood ; wild in rich soils throughout. 



2. fJlmus montana, Banh. (SCOTCH 

 OR WITCH ELM.) Leaves broad, obovate, 

 abruptly pointed and doubly serrated. 



Fruit rounded, with a slightly notched 

 wing, naked. Branches drooping at 

 their extremity, their bark smooth 

 and even. A medium-sized tree, 50 

 to 60 ft. high, with spreading or often 

 drooping branches ; extensively culti- 

 vated under a dozen different names, 

 among the most peculiar being the 

 White-margined (var. alba marginata), 

 the Crisped-leaved (var. crispa), and 

 the Weeping (var. pendula) Elms. 



3. fjlmus camp6stris, L. (ENG- 

 LISH OR FIELD ELM.) Leaves much 

 smaller and of a darker color than the 

 American Elm, obovate-oblong, ab- 



ruptly sharp-pointed, doubly serrated, rough. 

 Fruit smooth, with the wing deeply notched. 

 A tall and beautiful cultivated tree, with the 

 branches growing out from the trunk more 

 abruptly than those of the American Elm, 

 and thus forming a more pyramidal tree. A 

 score of named varieties are in cultivation in 

 this country, some with very corky bark, 

 others with curled leaves, and still others with weeping branches. 



4. tJlmus racemosa, Thomas. (CORK OR ROCK ELM.) Leaves 

 2 to 4 in. long, obovate-oblong, abruptly pointed, often doubly ser- 



