ULMUS PUBESCENS, Walt. 



ULMUS FULVA, Michx. 

 Slippery Elm. Red Elm. 



Size. Average 60 to 70 ft. Maximum 135 ft. high. 



Growth. Rapid but briefly sustained. 



Root System. Heart. 



Crown. Spreading. 



Tolerance. Intolerant. 



Wood. Fairly heavy, hard, strong, not durable; 43 pounds. 



Reproduction. Seeds abundantly at irregular intervals of two to 

 four years. Flowers in March and April and ripens in May and June. 

 Seed small, winged, light; low vitality and germination percent. 



Range. St. Lawrence valley through Ontario to North Dakota, 

 south to Kansas and Florida. 



Climate. Medium. 



Soil. Rich and well drained. Mesophytic. 



Association. May be grown in pure stands and with maple, white 

 oak, ash, poplar, basswood, locust, red cedar, catalpa, and walnut. 



General. Comparatively unimportant except for slack cooperage 

 and furniture. Very little in Canada. 



MAGNOLIA ACUMINATA, L. 

 Cucumber Tree. 



Size. Average 60 to 90 ft. by 2 to 4 ft. 



Growth. Rapid and moderately persistent. 



Root System. Heart. 



Bole. Cylindrical. 



Crown. Spreading. 



Tolerance . I ntolerant . 



Wood. Soft, not strong, easily worked (like Tulip) ; 29 pounds. 



Reproduction. Fairly prolific annual seeder. Flowers in April 

 and May; seeds ripen and fall the same autumn; germination. percent 

 low; vitality medium. 



Range. Southern Ontario peninsula only in Canada; south along 

 the Appalachians to Alabama. Optimum in coves of Tennessee and 

 Kentucky. 



Soil. Low mountain slopes and rocky banks of streams. Inhabits 

 rather good soils. Mesophytic. 



Association. Mixed with other hardwoods; never pure stands. 



General. Negligible use in Canada because of very restricted 

 supply. 



47 



