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MASS. EXPERIMENT STATION BULLETIN 338 



Rooting of Cuttings of Canadian Hemlock 

 Top: After 10 weeks at 75" F. 

 Left : Not treated. 

 Riglit: Treated with Hormodin A, 30 BTI units for 24 hours. 



Bottom: After 15 weeks at 65" F. 



Treated with Indolebutryric Acid. 7.5 mg. 100 c. c. for 24 hours. 



