206 BOTANICAL GALETTE [MARCH 
It is certainly true that the author’s conception of a species differs from that 
which is rapidly becoming current, and that he still has some belief in its_ 
power to vary.—J. M.C. 
Mr. HERMANN VON SCHRENK (Twelfth Ann. Rep. Mo. Bot. Gard. 21-23. 
some heartwood has been formed in the larger branches, and from this time 
on the mycelium may be found in the heartwood. Access is obtained through 
wounds, so that a proper treatment of wounds will ward off the disease. 
Curiously enough the fungus, although growing in what is regarded as dead 
tissues, does not grow in the wood after it is cut from the living tree, and 
hence diseased wood when used for posts does not continue to rot. hether 
such a fungus is to be regarded as a parasite or a saprophyte, therefore, 
becomes an interesting question.— J. M. C 
THE FIRST THREE PARTS of Engler’s Pflanzenreich have appeared. The 
general purpose and method of this great work were announced in this. 
journal for last December (30: 432. 1900), so that it only remains to note the 
contents of the parts as they appear. The families of spermatophytes to be 
presented are 280 in number. Tart 1 (Jf 2.40) is by K. Schumann, and con- 
tains the Musaceae, the forty-fifth family, the six genera including eighty 
species. Part 2 (J/ 2) contains the eighth and tenth families, Typhaceae 
and Sparganiaceae, and is by P. Graebner. Each family is represented by a 
single genus, Typha containing nine species and Sparganium fifteen. Part 3 
(7 5.60) contains the ninth family, Pandanaceae, and is by O. Warburg. 
He recognizes 21g species, 156 of which belongs to Pandanus. The publisher 
is Wilhelm Engelmann of Leipzig.— J. M. C 
BOTANICAL ACTIVITY in Vermont is indicated by the series of ‘‘ Contribu- 
tions to the Botany of Vermont,” which has now reached its eighth number. 
The titles of the eight contributions are as follows: A list of the mosses of 
Vermont, with analytical keys to the genera and species, by A. J. GROUT 
(March 15, 1898); A partial list of the parasitic fungi of Vermont, by W. A- 
ORTON (September 1898); A preliminary list of the Hepaticae of Vermont, 
by CxiirTton D. Howe (January 1899); Supplement to the list of mosses 
growing in the state of Vermont, by A. J. Grout (January 1899); The trees 
of Vermont, by ANNA M. CLARK, with notes on the trees of Burlington and 
vicinity, by L. R. Jones (December 1899); A second partial list of the para- 
sitic fungi of Vermont, by W. A. ORTON (December 1899); and Flora of 
Vermont, a list of the fern and seed plants growing without cultivation, by 
Ezra BRAINERD, L. R. JoNES, and W. W. EGGLestTon (December 15, 1900)- 
The last publication enumerates 1330 indigenous species.— J. M. C 
A FLORA of the German possessions (Kaiser Wilhelm’s Land) in New 
Guinea (or Papua) and the adjacent islands has been published by Drs. Karl 

