^or elates of issue, see 

 J.H.Barnhart, Torreya 



7: 177-181. 1907. 

 Pt.l (3B36, December) 



2 (1037, second half) 

 5 (1858, first ouarter) 

 4 (1838, late in year). 



PHOTOLITHOGRAPHED BY 



THE MURRAY PRINTING COMPANY 



CAMBRIDGE, MASSACHUSETTS 



FOR THE 



ARNOLD ARBORETUM 

 1946 



