No. 467.] NOTES AND LITERATURE. 853 
A monograph of Portuguese Orobanchacez, by Guimaraes, is pub- 
lished in Broteria for 1904. 
Among other forest views, the Report of the Forestry Bureau of 
the Philippine Islands for the year ending September 1, 1903, recently 
issued, contains a good photogram showing the aérating roots of 
Bruguiera caryophyllaoides. 
Mutation is discussed from various points of view in a series of 
papers printed in Science of April 7. 
The megaspore membrane of Gymnosperms forms the subject of 
a paper by Thomson, published as no. 4 of the biological series of 
University of Toronto Studies. 
Haywood publishes a paper on the injury to vegetation by smelter 
fumes, as Bulletin no. 89 of the Bureau of Chemistry, U. S. Depart- 
ment of Agriculture. 
The great scope of economic botanical study by the Government 
Bureau of Plant Industry, which spends annually nearly a million 
dollars, is well shown by the recently issued Report of the Secretary of 
Agriculture for the Year ending June 30, 1904. 
The prickly pear and other cacti as food for stock are discussed 
by Griffiths in Bulletin no. 74 of the Bureau of Plant Industry, U. S. 
Department of Agriculture. 
A paper by Mann and Hunter on sisal-hemp culture in the Indian 
tea districts has been published recently by the Indian Tea Associa- 
tion of Calcutta. 
An illustrated article on commercial Catalpa growing, by Gleason, 
is contained in Country Life in America for May. 
Vol. 9 of the Contributions from the U. S. National Herbarium con- 
sists of an account of the useful plants of the island of Guam, by 
Safford. 
Some large trees are noted and figured by Tavares in vol. 3 of 
Broteria. : 
The remarks of a number of biologists, chemists, and spes 
on the use of copper sulphate for the purification of water supplie 
are published in ‚Science of April 21. 
The decays of timber due to higher fungi are : 
6 of Lafar's Handbuch der Technischen Mykologte, 
ume 3. 
reached in Lieferung 
pertaining to vol- 
