220 Forestry Quarterly 



on Trees. More than 300 species and varieties from all parts 

 of the world are discussed from the botanical, ornamental and 

 utilization point of view. 



Coming out in parts, no order whatsoever has been kept in 

 which genera are treated ; broadleaf and conifers appear strangely 

 mixed. The work attains its usefulness only by the Index which 

 leads one to genus or species. 



The botanical portions, including the excellent keys of the 

 various genera, are mostly the work of Professor Henry, the 

 practical and more general information mostly by Elwes, who 

 has been a great traveler and collected directly much of the 

 material on which the discussions are based. Each volume con- 

 sists of text and plates, except the Index volume. 



The illustrations, the most expensive part of the work, are, 

 outside the botanical detail, perhaps of least use, consisting of 

 plates of full-sized specimens, which are not chosen for their 

 typical habitus, but rather for unusual features, which though 

 interesting, especially to English readers, do not add to the prac- 

 tical value of the work, and of practical value to land owner, 

 forester, nurseryman, landscape gardener it is intended to be. 



The attempt at writing for the practical man or for the people, 

 and at the same time to preserve a scientific attitude, leads some- 

 times to unfortunate use of language. On the whole, however, 

 we do not know of any work in which so much information on 

 a large list of trees is brought together since the appearance of 

 that other classic, encyclopedic work of an Engishman, Loudon's 

 Arboretum and Fruticetutn. 



B. E. F. 



Pennsylvania Trees. By J. S. Illick. Bulletin 11, Depart- 

 ment of Forestry. Harrisburg, Pa. 1915. Pp. 231. 



The first fifty pages of this bulletin are intended for the 

 layman and beginner, containing a discussion of elementary 

 forestry concepts and of forests, and the form and structure of 

 trees. The latter is accompanied by 11 plates illustrating the 

 various types of buds, leaves, flowers, fruits, twigs, twig mark- 

 ings, and wood structure. These render intelligible the succeed- 

 ing descriptive portion of the bulletin. 



