III. Betula alba L. 
argtäadung opugpevoy, IP edd 
P A. Bois. EB. Écorce. | €. Total. > Dimensions. 
et X Matière | Matière | kau. | Eau Matière Macs Eau. | Eau | Matière | Matière | Bau, Eau | An- | Pièces posées. Dom pués, Remarques. 
mois. Be o f qu: JS fraic sèc ; gr fraiche, | sèche. pee Les "Diem. | ong. Los Ei 
d j 1,7 er, 
É 1| sos 1,50! 1,58/51,80| 1326 0,50 0,7660,32| 434 2,001 2345392 3 0,975,021 1684 Geen 
B ol 20,57 1056! 10,0148,66| 5,61| 3,12) 2,4944,39| 26,18 13,68 12,50.47,75| 5 0,955,05 | UT Tego mde e MS 
È 3| 4247| 21,40 21,0749,61 8,46| 4,96| 3,50,41,37| 50,93, 26,56 24.5748,24| 6 3.585,08 145 5 [peus se produit sur es pa 
5 1| 7310 38,25| 34,5 47,07]12,49| 7,26 5,2841,87| 85,59 45,51| 40,08,46,83| 10 EN Ce, du verre 
A |5|199,25| 72,75 56,50 43,71|50,83/30,54/20,29 39 '921180.08103.29 76,7942,64| 16 [6,12/5,33| 1 g 4 L'écorce se détache très dit 
— | e ent du bois. Le p 
Ces Eë BE | st recouve ert de 0,2% 
268,47 144,46 124,01/46,19|78,05 46,38 32,27 41,031347,1 2190,84. 7669,27 [neige 
É ll 257 147 1,104280| 1,10 0,47| 0,63157,27| 3,07. 194 1,7347,14 8091 rie = — 80. 
E | 1587 898  6,942,49| 3,18 1,67 1,5147,48| 19,05 10,65 8,4044,09| 5 2,185,18,59 
E 139,70 
3 la| 37.96 21,70 16,2642,83| 6,70| 3,76 2,9443,88| 44,66 25,46 19,2042,99 7 |8,30/5,28 33°69 
= 4| 51,11 2957, 21,54,42,14| 9,89 6,06) 3,8338,73| 61,00| 35,63 25,3741,59 8 |3,99 2 d nd 
3 5| 9271) 55,07 37.64 40.60134.20 19,23 14,97 43,48|126,91 74,30 52,1 4142 12 [4045 SE 
| |200,22 116,79| 83,43 41,67 755,07 31,19 23,88 43,36 255,29 147, op 3142, 03 7A 
shl 480) 269 2,1143,96| 1,76| 0,70 10660,23| 6,56 3,39 SC 39| 4 |1,19/5,05 Nich, t= — 1590. 
„22| 26,43 1402 124146,95| 6,02| 3,22 28046511 32,45 17,24 15,2146,87| 6 2,74 6,6811 ^ 4 78 
S Sal 4496| 23,99 20,97 46,64| 7,60 4,08. 3,5246,32| 52,56 2807  244946,59| 9 |3,71 19014046 
2:24 6890 37,90 31,0044,99]10,06| 5,51) 4,5545,23| 78,96| 43,41 35,55 45,02| 14 4,7505 16494] 
3 5|108,41| 62,75 45,66,42,12124,27 13,44 10,83 44,62/132,68 76,19, 56,49 42,58| 16 [6,745, n Ge? 
253,50 141,351112,15 44,24 49,71/26,95 22,76 45,79 303,21/168,30/134,91 44,49 M 781,94 
| 
s 1| 285| 173 1,48151,93| 1,12 og 0544821 397 195 2025088| 2 |0,9714,83 5075 t = 090. 
É ləl 1856 960 8964828| 4,45 2,52| 1,9343,37| 23,01| 12,12 10,89/47,33| 4 [1,395,281 31 57 
É |a| 5,75 19,75 16,0044,76 EA 93,36 18,7444,51| 8 |3,355,18 164 
^ al 6123| 33.57 27,6645,21110,42| 6,11| 4,3141,36| 71,65| 39,68 31,97 44,621 11 (4,425,031 25 91 
3 5| 9403! 5297| 41,06 43,67/21,55,19,59| 8,9641,58/115,58 65,56 50,0243,28| 15 5385,28. 5519 
| pi242117,26 95,6 44,042,89 25,41 1648 42, 1]o56,11142,67 1126444]. | | 69212 
LA 
