BOOK-NOTES, NEWS, ETC. 367 
resent knowledge gives no clue to affinity on that line; this 1 is 
easily understood in the case of algw which possess chlorophyll 
and are adapted mostly to the aquatic habit, but the difference is 
equally great and more surprising between fungi and lichens 
These latter are biochemically an entirely independent group of 
lants, their cell-products being unlike those of all other members. 
of the vegetable kingdom. The correspondence between animal 
s 
importance, but suggests that the condition may be shared ‘o 
parasites and saprophytes belonging to the higher plants; there 
is no record of research on this question. 
igh nutritive value has long been claimed for fungi, and 
mushrooms with other edible forms have been n considered a valu- 
rated as such; much of the nitrogen on undoubtedly contain is, 
combined with other substances than proteids and not available for. - 
nourishment, and the proteids themselves are difficult of digestion. 
a are present as bases and toxin y a few groups have’ 
s yet been worked out, and a ‘aie and unoccupied field of, 
reseateh 3 is waiting for the student. The book is well indexed and 
species. The author has earned the = of all who appreciate 
painstaking and ee work. 4 
L. 8. 
BOOK-NOTES, NEWS, ée. 
who are interested in galls and other rs in ee 
and trees caused by insects and mites will welcome Dr. C. Houard 
handsome volume the first of two—Les pa ee des Plantes 
d'Europe et du Bassin de la Mediterranée (Paris, oa Her-: 
mann ; subser: eiplaon ils for the two volumes, 40 f The- 
host-plants s are arranged in botanical sequence, Geabiaghe with the 
re and om rei through gymnosperms and monocoty- 
ledons to part of the ~sptehtte ntee Each order is prefaced by an™ 
- introduction dealing generally with the various excrescences and 
the insects that cause them; then follows a list of the plants with” 
a full description of the malformations in the form of a clavis and 
the names of the insects which c them, and a bibliography. 
The volume is Fornesieec with net la eight hundred excellent’ 
figures, and extends to over five hundred pages, thus combining 
en ee with excellence. 
passed his ninetieth year, and we eens Sir Joseph on its 
successful accomplishment. 
