1913] A Flora of the Connecticut Valley in Massachusetts 97 
colors every other number and letter has been omitted so that colors 
that do not exactly match any in the present work, but are inter- 
mediate can be designated by a symbol. For example, in plate [ the 
vertical columns are 1, 3, and 5; the tints b, d, and f; and the shades 
i, k, and m. All the colors are named as well as symbolized, but if 
a given color comes between Hermosa Pink (1f) and Eosine Pink 
(1 d) it could be designated 1 e. In this manner about 2385 additional 
colors or a total of 3500 can be designated. Undoubtedly exception 
will be taken to some of the names, but in this the personal equation 
plays such a large part that decisions must be rather arbitrarily ren- 
dered. 'The primary colors have been standardized by Dr. P. G. 
Nutting of the U. S. Bureau of Standards. 
It was originally expected that six months would suffice for the 
preparation of the colors, but unforeseen difficulties in reproduction 
have extended this period to about three years. 
A list of color synonyms as shown by the immense list of trade 
samples that must have accumulated would have formed an exceed- 
ingly interesting and valuable addition to the work. 
A table of percentages of color, together with an explanation of the 
amount of white, black, or neutral gray used as above, will give an 
approximately ready clue to the reproduction of any color in the guide, 
the only uncertain factor being the possible lack of standardized prim- 
ary colors to begin with. 
Definitions of the principal color terms, such as color, shade, tint, 
hue, tone, etc., which are used almost interchangeably by many people, 
will repay careful study by those not familiar with their exact use. 
A slight error on page 12, due to a misunderstanding, should be 
corrected. Mr. F. A. Walpole had no connection with the color 
project of the American Mycological Society, the preparation of which 
was delegated to the late Dr. L. M. Underwood, Dr. W. A. Murrill, 
and the writer. Mr. Walpole died before the committee was ap- 
pointed, and the project was abandoned after two years' work by the 
committee in favor of Doctor Ridgway's work, which had not pre- 
viously come to their notice.— P. L. Ricker, Washington, D. G 
A FLORA OF THE CONNECTICUT VALLEY IN MASSACHUSETTS. — 
The region centering about Amherst, Massachusetts, has furnished a 
number of the scholarly “local floras” of New England, beginning 
with Edward Hitchcock’s Catalogue in 1817 and including the lists 
of Tuckerman & Frost and of Cobb. The last of these was published 
in 1887 and it is natural that many alterations in the knowledge of the 
flora of the region should have been noted in the intervening period. 
For this reason the revised List, by Professor George E. Stone,’ with 
1 A List of Plants growing without Cultivation in Franklin, Hampshire, and Hamp- 
den Counties, Massachusetts. By George E. Stone, Professor of Botany at the Massa 
chusetts Agricultural College. Amherst, Mass. 1913. pp. vii + 72. 
