312 NEW EXGLAXD TREES IN WINTER. 



ACKNOWLEDGMENTS 



Acknowlcdgmeiifs are clue to Prof. C. S. Sargent, Prof. J. U. 

 Jack, j\Ii-. Jackson Dawson, and ;Mr. P. W. Curtis for courtesies 

 in the museum ami grounds of the Arnold Arljoretnm where 

 manjr of the photogi'aplis were taken: to Prof. B. L. Pobinson for 

 assistance in checking up tlie scientific names; to tire Connecticut 

 State Forester S. M. Spring, for suggestions as to what cultiYated 

 trees are of snificicnt value in New England forestry to be included 

 in this pulilication ; to Mr. T. P. Pady^ for supplying the additional 

 galley sheets used Ijy the students; to Mr. Eobert Weller for 

 liis painstaking care in the reproduction of the photographs; to 

 Mr. A. F. Schulze for compiling the index; to Miss E. M. 

 Whitney for reading the proof; to the Station Director, L. 

 A. Clinton, for tlie generous way in which the undertaking lias 

 been supported; and especially to the students whose interest in 

 trees in Avinter first suggested this publication and whose co-opera- 

 tion in its production has given it its finished form. 



Albert Francis Blakeslee. 

 Chester Deacon Jarvis. 

 Storrs, Conn.. June, 1911. 



