DIZIONARIO DI BOTANICA 283 
these spermatia were less necessary to the continuance of the 
i his seems a 
eco. the universal parasite of cereals. s- 
tralian wheat-fields have not escaped the scourge, and the spread of 
the as bee ped by the method of securing the grain 
‘‘ delivers the winnowed grain into bags.” A certain amount of 
d to ound; it germinates at once, and the young 
plant is almost always rusty. A knowledge of rusts, as well as of 
other plant diseases, is essential to the cultivator if he is to secure 
healthy crops, and this book supplies him with just the data neces- 
sary to recognize the various forms, and to apply what remedy there 
is. Immune varieties are specially recommended. e spores of 
all the species are illustrated by microphotographs, and various 
galls, witches’ brooms, and other abnormalities due to the rust- 
f 
dium, peculiar to Australia, produces large galls on various species 
of Acacia; 
ungi. It remains with the grower himse dvantage of 
the knowledge offered, and to carry into practice the author's sug- 
gestions and recommendations. eis 
Buanciont, Guetsetmo. Dizionario di botanica generale: istologia, 
anatomia, morfologia, biologia vegetale. Biograyie di illustrt 
botanici, Milano: Hoepli, 1906. Pp. xxii, 926, 8vo (6 in.). 
0 li 
e. 
wn index. 
Terms, noticed in this Journal (1900, 456; 1905, 367), and not long 
since a larger German work by Dr. Schneider, which was reviewed 
in these columns last December (p. 366). 
