ACER NEGUNDO, L. 

 Manitoba Maple. Box Elder. Cut-leaved Maple. 



Size. Average 40 to 60 ft. by 1 to 2 ft. Maximum 75 ft. by 3 ft. 



Growth. Rapid but not persistent: short-lived. 



Root System. Tap. 



Bole. Short and usually crooked. 



Crown. Spreading and round. 



Tolerance. Intolerant. 



Wood. White, soft, and weak; 27 pounds. 



Reproduction. Prolific annual seeder. Flowers in May and June 

 and ripens in the autumn. Germination percent 40 to 60; vitality low. 



Range. Western Vermont to western New Jersey and northern 

 Florida, westward to Ontario, Manitoba, South Dakota, Kansas, Texas 

 and Mexico. Optimum in lower Ohio basin. 



Soil. Wide variation; grows on the rocky slopes on the semi-arid 

 prairies. Best reproduction both by coppice and by seed is found on 

 moist soils. 



Association. Usually solitary; mixed with white elm, hackberry, 

 silver maple and'black walnut. 



General. Of small importance except for planting as wind-breaks. 



TILIA AMERICANA, L. 



Basswood. Linden. Whitewood. 



Size. Average 60 to 70 ft. by 2 ft. Maximum 125 ft. by 3 to 4 ft. 



Growth. Fairly rapid and moderately persistent until old age. 



Root System. Heart. 



Bole. Usually medium length and cylindrical. 



Crown. Spreading. 



Tolerance. Moderately tolerant. 



Wood. Soft, quite tough, close grained, light brown or reddish in 

 colour; 25 pounds. 



Reproduction. Annual light seeder. Flowers in May and June, 

 and fruit ripens in the autumn. Seed, of medium vitality. Seed dis- 

 persed by the wind for short distances. Sprouts vigorously from the 

 stump. 



Range. Western New Brunswick to the eastern shores of Lake 

 Superior to Manitoba, southward to Georgia and eastern Texas. 



Climate. Endures wide ranges of temperature and humidity; 

 requires considerable precipitation. 



Soil. Can endure a wet soil but will not thrive on a dry one. 

 Mesophytic. 



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