Periodical Literature. 293 



men on a fire line. Care of a fire after putting it under control is 

 constant vigilance, burying smouldering roots, falling old stubs, 

 and searching and falling defective trees in heavy timber. The 

 best methods of working men is by the hour rather than by the 

 day; no night work except watchmen, and not more than 10 hours 

 a day. Night work is unsatisfactory and ineffective ; the ideal 

 time to fight fire is from daylight to the middle of forenoon, be- 

 ginning again at about 4 o'clock and working until dark. Wages 

 should be a little higher than local wages but not high enough to 

 suggest setting fire in order to prolong the job. In Idaho the 

 legal rate per day for fire fighters is $2.50 and subsistence. Pay- 

 ing men at once in money is conducive of better help. 



Canadian Lumberman and Woodworker, January, 1912. 



Dr. Hedgcock of the Bureau of Plant In- 



Tree Diseases dustry, U. S. Department of Agriculture, 



in has given us a second paper on this subject, 



National Forests, in which he briefly discusses the prevalence 



in the western forests of a number of trunk 

 and root fungi, largely belonging to the Polyporaceae. None of 

 the species are new to science, but the complete records of the 

 hosts of both hardwood and coniferous trees which the various 

 fungi are known to inhabit throw much further light on the dis- 

 tribution of the wood-rotting forms. The work is based on data 

 and specimens available in the Laboratory of Forest Pathology, 

 Washington, D. C, and on the writer's personal experience for 

 several years past in the western forests. 



The following fungi are reported as causing diseases of de- 

 ciduous trees : Polyporus dryophilus Berk., causing a piped heart 

 rot of oaks, and particularly abundant and destructive in the 

 southwest; Pomes everhartii (Ell. & Gall.) Schr. & Spauld., pro- 

 ducing a brown to white heart rot of both red and white oaks, 

 walnut and mesquite; Fomes igniarius (L.) Gill, on many species 

 of trees in fifteen genera, causing the well-known white heart rot 

 with black or brown margin; Polyporus texanus (Murr) on 

 mesquite, where it is often associated with Fomes everhartii; 

 Fomes nigricans Fr. which as it occurs on Betula in Minnesota, 

 is apparently only an abortive form of F. everhartii; Fomes ap- 

 planatiis (Pers) Wallr., rarely found on living trees, but readily 



