The White Pine (Pinus strobus Linnaeus) . Fig. Pine in New Hampshire (Trees 20 Years O^^ DANGERS AND AND DISEASES. 49 The White Iiiie is suhjcct, to ii consideriible nuuiber of chistructive iiithiciices even whengrowiiij^ spoiitiirnoLisly, but ;i ];irjje jiropoition of tliose iiii,i;iit be uvoided if properly understoodand guarded against, since they are in great part dne to linman agency. INJURIES BY HUMAN AGENCY. The subject of forest lircs has been so fully discussed that it is unnecessary here to treat ititi detail, although the pine forests tif the Northern State
The White Pine (Pinus strobus Linnaeus) . Fig. Pine in New Hampshire (Trees 20 Years O^^ DANGERS AND AND DISEASES. 49 The White Iiiie is suhjcct, to ii consideriible nuuiber of chistructive iiithiciices even whengrowiiij^ spoiitiirnoLisly, but ;i ];irjje jiropoition of tliose iiii,i;iit be uvoided if properly understoodand guarded against, since they are in great part dne to linman agency. INJURIES BY HUMAN AGENCY. The subject of forest lircs has been so fully discussed that it is unnecessary here to treat ititi detail, although the pine forests tif the Northern States have sntlered more irreparable injuryfrom this than from all other destructive agencies combined. Erom the numerous suggestionsthat have been nuide resi)ecting protection from fire and from unnecessary injuries in general, tliemost important ajjpear to be: (1) That a well-digested (ode of laws, cai)able of prom])t enforcement, based ui»on therecommendation of a noni)olitical forest commission, is of primary KiG, 4.—Girilkd Wbite Pine coutinuing to grow. (2) That a correct public sentiment, encouraged by a wider dissemination of informationconcerning the value of forest ])roducts and the time required for their growth, will have moreiutiuence than all other means together in preventing unnecessary destruction. Unlike the Loblolly Iine of the Southern States, or the Eed Iine with which it is commonlyassociated, White Iine has a thin bark during the first thirty to lifty years, which artbrds butslight protection from tire. Consecpieutly, the species suffers much in young growths from surfacetires, which do little or no harm to the thick-barked i)ines and hardwoods. In the mature treesthe growing layer is much better protected, as the bark with age becomes proportionately thickerthan that of lied Pine. Related to the foregoing, and properly placed under the head of injuries to be charged to human responsibility, are wouiuls occasioned by cattle. A pine forest is l
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