74 THE WHITK riNE. 



iMitliiT lip in tlu' same stem, is iiulepL'iuli'iil of oriciilation (as gi-eat on tlic noitli sitlc as on the 

 Boiitli side), is no greater on clay land than on the sandy soils, and seems in these particnlars 

 ipiifc indcpt'ndcnl oC locality. The wood IVoni tlu^ swamp I ices is no hcaviiT nor li^;ht<'r llian the 

 wood I'roin tiic upland trees, the trees I'roiii New lOni^Iaixl dill'eriiiy apparently in no way Ironi tiiose 

 of either the Lake region or North Carolina. 



liCavinfi out of consideration the s]iecilic weight of the limbs and knots (these l>eing always 

 heavy, as in all i)ines), the average spccilic weight of the dry wood of the .stem was found to be for — 



Spoi'ilH; 



(jravity. 



Five treoH 200 to 250 yrars old 0. :{«(; 



Fivo tr.'ps ILTi to niO .vt-ara old IWX 



Five tiers KK) to 12.". jears old [iKi 



Toil tii'08 T.'i to !l!l years old ,378 



Ten tri'CR ,50 to 71 years old 'M'S 



N iinteen tree.s 10 to 19 y<^ars old 3.")3 



Nineteen trees 30 to 39 years old 351 



I''roni the above, and still more frt)m the table following, in which the trees are grouped 

 according to age, it will be seen that White I'ine displays a uniformity of specific weight, and other 

 properties deiiendent on weight, such as is entirely unknown in any other pine of the Eastern 

 United States. 



Average weight (kiln dry and green), moisture content, and shrinkage per cent of jmie Pine. 

 I.— TREES 200 TO 250 VEAKS OLU. 



Localitv. 



Linrnln County, Win 



Marathon (Vmnty. Wis. 



(iraylinK, Mirli 



Cliippowa County, Wis . 



Do 



Do 



Average. 



Original | Approxi- 



Diiinlier ol' inatea^e 



troea. ol trora. 



yeart. 

 225 

 230 

 205 

 209 

 202 

 202 



Diameter 

 brcust high' Width of 

 witiioul rings, 



baric. 



Inchet. 

 23.0 

 22.0 

 19.0 

 27.0 

 19.4 

 20.5 



Specific gravity X 100. 



Kiln dry. 



38.1 

 38.5 

 36.0 



;t9. 



38.5 

 39.2 



38.6 



Green. 



Moisture aa 

 "of tii'e" Shrinkaso 

 dry vood. 



II.-TREES 12S TO 160 TEARS OLD. 



88 



Lincoln Connty, Wia . 



Do 



Do 



Do 



Linvilte, N.C 



Average. 



3 

 4 



458 



1.6 

 1.9 

 1.0 

 1.2 

 2.1 



42.0 

 36.4 

 38.4 

 40.5 

 37.1 



38.8 



71 



8.9 



III— TREES 100 TO 122 TEARS OLD. 



Grayling, 



Do!'.'. 

 Do... 

 Do... 

 Do... 

 Do... 

 Do... 



Mich. 



Average. 



110 

 122 

 114 

 105 

 115 

 108 

 112 

 111 



17.5 

 17.7 

 9.5 

 7.5 

 7.8 

 7.8 

 7.8 

 5.0 



2.2 

 1.8 

 l.I 



36.0 

 35.0 

 39.8 

 38.3 

 46.8 

 38.9 

 38.0 

 36.7 



38.3 



9.2 

 9.0 

 0.8 

 8.5 

 10.5 

 8.8 

 8.8 

 8.5 



8.9 



IV.— TREES 75 TO 100 TEARS OLD. 



Linroln Connly. WiH ... 

 Marathon (,'oiinty. Win . 



Ilo. 

 Do. 



fTfayling. Mich 



( 'hi ji|iewa County, Wis . 



Do 



Do 



Do 



Average . 



0.8 

 2.0 

 2.1 

 2.7 

 1.4 

 l.fi 

 1.5 

 1.0 

 2.4 

 1.8 



36.3 

 39.4 

 37.0 

 36.0 

 40.4 

 40.1 

 36.3 

 37.0 

 37.1 

 38.5 



37.8 



112 



9.0 



