1892.] Current Literature. 299 
Tue action of the Botanical Club, of course fully representing the 
new section G,in reference to the International Botanical Congress in 
connection with the Columbian Exposition, was thoroughly prudent. 
By correspondence and by personal investigation it had become suf- 
ficiently evident that a very meager representation of European bot- 
anists could be expected, and that nothing was to be gained by 
coéperation with the World’s Congress Auxiliary. It seemed some- 
what absurd to call a meeting of American botanists an “Interna- 
tional Congress.” However, the attractions of the year are to be taken 
advantage of, and foreign botanists urged to attend themeeting of 
the Botanical Club, which has a committee appointed to do all it can 
towards making their stay pleasant and profitable. 
CURRENT LITERATURE. 
The lower cryptogams. 
Professor Ludwig of Greiz is known as one of the most energetic 
tan students of the mutual relations between plants and animals, 
and of the fungi, especially those connected with some of the obscure 
bei ig of trees. Fora series of years he has reviewed myco- 
hel for Just’s Jahresbericht, which has caused him to be- 
fold 5; : cre with the work being done by specialists in that 
sci at his text-book is unusually rich in references to recent 
- € book is essentially a review of the thallophytes, with 
bated to economic questions, nearly 600 pages bei ng de- 
Shiee-ct — and only about one-tenth as much to the algze, in- 
ei, chens. A full index makes reference to the cryptogams 
Pay hia 5 ha as host plants, etc., quite easy, although the hosts 
bie nly under their common names. The book appears to 
y and well written.—W. T. 
‘ Minor notices. 
ROFESso: ? B 3 
contains 4 R GREENr’s Pittonia (vol. I, pt. 11; May-Aug., 1892) 
*Lupwic 
Beticksichtign ett —Lehrbuch der niederen Kryptogamen, mit besonderer 
ip awe _Gerjenigen Arten, die fiir den Menschen von Bedeutung 
Stuttgart take — eine hervorragende Rolle spielen.—8vo, pp. 
