PERIODICAL LITERATURE 



BOTANY AX I) ZOOLOGY 



Huffel records the existence of a specimen of 



Thick- silver fir with a bark resembHng that of an old 



harked Scotch pine in the State Forest of Elieux, in the 



Fir \'osges Mountains. The tree is i6 to 20 inches 



in diameter and is a very rare case. Being within 



a few hundred yards of the German trenches, its continued existence 



is somewhat precarious. 



Revue des Eaux et Forots, June, 1917. 



SHAICULTURK, PROTECTIOX, AXD EXTENSION 



Experience with the Japanese larch (Larix 



Larix leptolcpis) in England for fifteen years is re- 



Icptolepis ported by Sir Hugh Beevor. Apparently it is 



more tolerant than the European larch and yet 



more rapid, but suifers more from drought. Freedom from disease 



{Pcziza), vigorous and rapid growth, promises a profitable croj) in 



forty years. 



Quarterly Journal of Forestrj', April, iQiJ^, pp. 117-20. 



The mistakes of the silviculturist are brought 



Changes out by Biolley in describing what had become of 



in a plantation in the State Forest of Neuchatel, 



Mixed made some fifty years ago with a mixture of 



Forest beech and spruce, three rows of each alternating, 



the rows about 5 feet, spaced 4 feet in the row. 



Usual!}- in such a mixture, due to the rapid juvenile development of the 



spruce, the latter becomes dominant. In this case the beech had 



crowded out the spruce, and even the median row of the latter had 



suffered from the neighbors of their own kind. Practically the mixture 



had become pure ])eech. and that of inferior char;icter, without a future. 



Tn trying to fuid reasons for tiiis change, the author f)oints out tbat the 



s])ruce was outside it^ climatic b.ibitat, where the beech w.is .it home; 



7'Jl 



