AGRICULTURAL BACTERIOLOGY 341 
in detail the various technical terms used. This is followed by 
adequate anatomical descriptions of every plant examined, com- 
prising seventy-two species, eighteen subspecies, varieties, and 
forms, ee six hybrids. It will thus be seen that the bulk of our 
ges 
the excoption of C. Davalliana Sm., which has long been extinct. 
enlarged Gath ot i on the plates of stem, leaf, an 
root =D icons are page’ me and beautiful; they should be of good 
service to future worker 
Mr, Crawford ‘told me vigil every sedge examined ak ue ee 
sented points of difference from all the rest. In some 
of hybrids, again, ae structure Soritge Ae ws the in nfluence 
between type and variety are, as a rule, inconside 
from specimens of the same gathering, and practically identical. 
our species, like C. ijlata Huds. (rostrata Stokes, 
such 
cases it is probable that the notes on anatomy and the dissections 
are of less value than those of species which are nearly or quite 
uniform. 
The printing, paper, and binding are all excellent, and the 
proofs have been carefully corrected. By a slip, C. punctata has 
been attributed to Gunner, instead of Gaudin; C. lepidocarpa, 
sii was described by Tausch as a species, and is retained as 
uch by Kiikenthal. Epwarp S. MARSHALL. 
Agricultural Bacteriology. By Professor J. Percivat, - L.S. 
8vo, cl., es x, 408 met bh ag & Co. Price 7s. ihe 
hi nical. Its impo 
the medical point of v ene so > ange in in the public eye that 
the part played the ue organisms in economic problems has 
attracted comparatively little attention. To the student of ‘ila, 
hi 
however, this aspect of the question is becoming increasingly 
important, and a knowledge of bacteriology now forms an essen- 
tial part of his equipment. Much progress has of late 
in this department of science, especially in relation to practical 
applications in agriculture and dairy practice, and an English 
7 ongh Viger in the first instance for agri- 
cultural student nts, i t will be of service to all students of botany 
who aim at a pia tuowiedes of their subject. 
