NOTKS AND COMMENTS 939 



quantity, considering that there must be more than two hundred million 

 cords of pulpvvood in that region. 



The black spruce is of course smaller than the white spruce, but the 

 mature trees in the average black-spruce swamp attain a height of 6o 

 to 75 feet, giving 40 to 70 feet of timber, measuring 9 to 13 inches at 

 butt and 4 inches at top. In the virgin forests of the north as many as 

 500 to 600 black-spruce trees (of 7 inches to 14 inches in diameter) 

 per acre have been counted. 



Regarding the red spruce, Mr. Buttrick refers to it as the "epinette 

 rouge" of the French Canadian. Now, strange to say, the French 

 Canadians, when they speak of "epinette rouge" do not mean red spruce, 

 but they have reference to tamarack. Epinette rouge is known as far 

 north as the James Bay region, hundreds of miles out of the red-spruce 

 localities, "fipinette rouge sec," or dry tamarack, furnishes the best 

 camp-fire fuel of the north country. 



Experiments will be conducted on the Lolo Forest in the storage of 

 stock to check advanced growth on late sites, and a small amount of 

 spruce will be sown on the same Forest on sheep bedding grounds, to 

 test the possibilities of obtaining a stand by seeding on burned forest 

 lands now being grazed. Spruce is the only species ofifering encourage- 

 ment for seeding in District i, since the seed is not subject to rodent 

 damage because of its small size. 



Mr. W. G. Reed, of the Office of Farm Management, U. S. Depart- 

 ment of Agriculture, gives in two articles — "The Probable Growing 

 Season," Monthly Weather Revieiv, September, 1916, and "Weather as 

 a Business Risk in Farming," Geographical Reviezv, July, 1916 — ^infor- 

 mation of interest to silviculturists. Three maps have also been con- 

 structed, showing (i) the number of days without killing frost, for 

 which the chance is about 4 in 5, (2) the dates on which the chance of 

 killing frost falls to i in 10, or when the chance that there will be no 

 later spring frost becomes 9 in 10, and (3) the probable end of the 

 growing season. 



The Journal of the New York Botanical Garden for April lists as 

 hardy in the garden 10 pines, namely, Pinus rigida, sabiniana, strobtis 

 with var. fastigiata and hrevlfolia, silvestris with var. argentea and 

 fastigiata, thunbergii, virginiana; 5 Cedrus, namely, atlantica with var. 

 aurea and glaiica, deodara, libani; 3 Larix, namely, larix, laricina, 



