2.66 THE JOURNAL OF BOTANY 
«show a group of small spiral tracheids near the centre, outside of 
which is a mass of large scalariform trac eids. The rest of the 
bundle is composed of the phloem.” All we learn about the 
seminiferous scale is that it “has been much discussed, but it is 
probably to be considered as an outgrowth of the sporophyll, 
erhaps comparable to the placenta of the Angiosperms.” The 
i 
The orders of Angiosperms are arranged on the system 
has only six lines. It would have been more serviceable if a few 
families had been treated in greater detail, omitting reference to 
mi 
help to the better understanding of the group. A short chapter on 
Physiology is followed by two useful chapters, one on relation to 
environment, and another, the concluding one, on geological and 
geographical distribution. 
: a of each chapter is a bibliography. The book is 
profusely illustrated, and many of the figures are new, and made 
by the author expressly for the work. The full-page plates illus- 
trating various plant-habits are prepared from photographs, and 
deserve special mention. 
Professor Bower’s excellent little practical manual is 80 well 
known that no teacher of botany is likely to regard the present 
issue as anything but a new edition, though it would have been as 
well for the benefit of the librarian and recorder to have stated the 
fact on the title-page. In the preparation of the new wor 
Angiosperms, in order that the student may become acquainted 
with the external characters as well as the internal structure of the 
in other portions of the work, but the general ar ment is that 
of the earlier edition. cof al arrange 
Mr. Bettany died in 1891, and perhaps it is for this reason that 
the publishers have printed no date on the cover or title-page- Mr. 
Fennings’ wonderful cures for children’s ailments, advertised on 
the back cover, must date back still further, and so will furnish 
no clue for the future cataloguer. We believe the book to be o 
