1911] Fernald,— Book Review 213 
HARSHBERGER’S PHYTOGEOGRAPHIC SURVEY OF 
NORTH AMERICA. 
M. L. FERNALD. 
WHen it was announced that a great series of monographs u 
geographic botany was to be issued under the editorship of Engler 
and Drude botanists felt that, with so distinguished a taxonomist as 
_ Engler and so experienced a phytogeographer as Drude stihding as 
ponsors, a series ol authoritative works might be expected which 
” 
rshberger.' In appearance the work is like others of the series, 
a sumptuous book with excellent paper and type and numerous 
illustrations, filling in all 790 pages besides 12 pages of the ordinary 
ntroductory matter and a 50 page “German Extract” by Drude. 
ican Continent”; “Geographic, Climatie and Floristie Survey,” 
of 
je RR Evolution, "Theoretic Considerations and Statistics of the 
[13 
Distribution of North American Plants”; North American Phyto- 
geographic Regions, Formations, Associations 
That the author approached his task erh and felt himself 
called to it is shown by the remarks in his preface where he states, 
that he, “ at the suggestion of the editors of ‘Die Vegetation der Erde, 
undertook ten years ago to write a sketch of the Vegetation of North 
America, and this volume is the outcome of the study we American 
vegetation, begun over twenty years ago.” This study has resulted, 
we are told, in a “work which the author has spared no pains to make 
as accurate, as the existing state of information and the unfortunate 
confusion in nomenclature would permit.” In other words, the book 
are the most accurate work which the author i is s capable of of 
. Whether it is of the grade of work w 
niet should demand or by which we wish our gen con- 
temporaries to judge us can be seen only byan examination of some 
portions in detail; and since the author states that “ no one region : 
N re and Drude:. Die Vegetation der Erde, xl. Phyiossographie Surver se 
of the 
nn 
Ö 2 ing Mexico, Central and the West > 
ar Distrib by John W. Harshberger, A. B. 
B. S., Ph.D. sig Altmann Engelmann), 1911. Large 8vo. pp. Ixili Ixiii + 790, 
‚map, 18 plates, 32 figs. Price unbound, 52 marks (Subseription price 40 M.); 
Trug RS en 
und, 53.50 M. ea Se 
N 
