1916] CURRENT LITERATURE 243 
work were stated in this journal® upon the appearance of the first edition. 
The second edition has incorporated the results of ten years of activity in the 
examination of human and cattle foods. Among the features of the edition 
are additions to the sections on wheat and flour; a complete revision of such 
parts of the chapter on oil seeds as treat of mustards, rapes, cruciferous weed 
seeds, and linseed; a description of the histology of alfalfa; and a revision of 
the sections on pomes and drupes. The arrangement of material, analytic 
keys, lists of adulterants, and the suggestions as to diagnosis are of great prac- 
tical service in the campaign against sophistication by unscrupulous manu- 
facturers and dealers.—J. M. C. 
Plant anatomy.—STEVENS? has published a third edition of his well known 
Plant Anatomy, which speaks well for the growing interest in the subject, and 
also for the quality of the book. The other editions were reviewed in this 
journal,’ so that the scope of the work has been described. In the present 
edition the most important addition is a section on the phylogeny of the 
vascular bundle, which could not be omitted from the plant anatomy of today. 
Naturally, there are also additions that include various improvements in tech- 
nique. The author is a thoroughly teacher, which means a well —— 
book and clear presentation.—J. M 
The first American Botany.—SAMUEL N. Ruoaps has published a facsimile 
reprint of Youne’s Catalogue d’arbres arbustes et plantes herbacées d’ Amérique, 
published in Paris in 1783, which is claimed to be the earliest published book 
written by an American botanist and devoted exclusively to American plants. 
The editor has given a prefatory account of the author, Wi1LLIAM Youns, Jr., 
of Philadelphia, adding a very interesting personality to the known list of 
pioneer American botanists, and one whose chronological position in our 
American literature should be recognized. The book is privately printed in 
Philadelphia.—J. M. C 
North American flora.—The fifth part of Vol. 9 continues the presentation 
of the Agaricaceae by MurRRILL,™ 10 genera being presented, which include 311 
species, 134 of which are described as new. The largest genus is Prunulus, 
with 106 species, 53 of which are new; the next is Gymnopus, with 93 species, 
45 of which are new. New species are also described in Geopetalum (5), Mierom- 
phale (2), Omphalopsis (14), and Omphalina (15).—J. M. C 
® Bor. Gaz. 41:300. 1906. 
* STEVENS, W. C., Plant anatomy, from the standpoint of ed Splvas aro and 
functions of the tissues and handbook of microtechnic. 3d ed. . pp. xvili+ 399. 
Jigs. 155. Philadelphia: Blakiston’s. 1916. $2.50 
© Bot. Gaz, 46:306. 1908; §0:470. IgIo. 
™ Murritt, W. A., North American Flora 9: part 5. pp. 2907-374. Agaricales: 
Agaricaceae (pars), Agariceae (pars). New York Botanical Garden. 1916 
