68 



American timber trees cultivated in Europe is 

 drawn principally from two sources : 



1. From observation of the trees in their own 

 home. 



2. From observation of the trees in their new 

 home, chiefly Germany. 



As regards the first point, the studies made in 

 the home of the American varieties of timber, are 

 all of the most recent date, previous investiga- 

 tions being principally of a systematic botanical 

 and geographical character, with but little refe- 

 rence to the physiological peculiarities. The first 

 complete work dealing principally with the sylvi- 

 cultural peculiarities of the trees is the production 

 of a German forester. Professor Dr. H. Mayr, 

 who visited America on behalf of the Bavarian 

 Government, and subsequently proceeded on his 

 own account to Japan and India on a search for 

 various kinds of profitable timber, trees, and to 

 establish natural laws for growing the same. The 

 Americans themselves, on the occasion of an in- 

 quiry into their supply of timber and the com- 

 mercial value of the different species, brought a 

 considerable amount of uselful forest data to 

 light, among the number being Professor Charles 

 Sargent, Professor F. Fernow, Charles Mohr, 

 Dr. John Gifford, Henry Graves, Pinchot, and 

 a Canadian,, Macoun. 



Secondly, a great many observations were 



