392 PRACTICAL ARBORICULT URE 
seven feet across the beam. No one ever heard of Catalpa bignonioides or hybrid 
trees of any size approaching these records. 
The States of Ohio and Colorado have taken up this matter, and have dis- 
tributed many thousands of trees, co-operating with the International Society in 
this work, the trees being supplied by the society. The Republic of Mexico, Do- 
minion Government of New Zealand and several European countries have also 
received seed and trees from the society, and are making extensive experiments 
with this American tree. 
