ao 
[^ 
4» 
& 
‚ Pores scattered, not arranged as in a; wood of medium weigh 
Re 
. Growth rings DAMES marked 
W 
206 
d d Су Birch. 
- Growth rings very indistinct; pores minute and scattered. 
Tul 
po. Sour Gum. (Nyssa sylvatica.) 
ood distinctly yellow; pores numerous occupying nearly all of the space; 
WOE ШТ eee te Buckeye. Horse Chestnut. (Zsculus.) 
. Wood whitish; pores occupying not over half the space; wood of medium 
igh 
ЕЕ udo Lace uU iTi ST VTL. Gray Birch. White Birch. 
. In freshly cut longitudinal section wood is decidedly chocolate-colored, 
reddish, or reddish-brown, not merely tinged with red; resin ducts always 
жаана с-гу Heer. Ps VA ear eres Шугуру 1, .3& 
Wood not completely as in a 
x uere UAR PES De REEL FF Us KR AY 
- Wood with lead-pencil-like odor; wood comparatively heavy, hard and com- 
pact, fine grained ао, Red Cedar. (Juniperus virginiana.) 
d comparatively light and soft 
. Wood reddish-brown, not with characteristic resinous odor 
wood. (Sequoia.) 
e 
- Wood light chocolate brown with a characteristic, resinous, shingle-like odor. 
Incense Cedar. (Thuja.  Libocedrus.) 
Canoe Ced 
- Wood =» white in fieshly-cut longitudinal section, comparatively soft 
and lig 
ORT ite eR eee ee Oe et eee ee RON ЕШ ИЕЛЕ aos RW э a Me ЕУ Ааа. ә VR 
b. Wood ieu straw-colored or tinged with red, not noticeably white 
o 
b. 
. Resin ducts wanting 
. Resin ducts present, seen as specks especially in the bands of summer wood 
- Wood not with characteristic odor as in a 
- Growth rings usually variable in width; wood when fresh with a soapy or 
9. 
. А few small resin ducts present appearing as specks in smooth cross section 
BL ui Ка ыйы ЧЫ уу White or Black Spruce. (Picea.) 
< Reia ducts waütiue с... у, у, Balsam Fir. (Abies balsamea.) 
2 Hacen from spring to summer wood (not summer to spring) more or less 
pt; bands of summer wood marked from bands of spring wood by 
_ fairly — defined tin 
when wood is w 
i 
3. 
. Wood шышы brown, with characteristic, resinous, shingle-like odor when wet. 
hite Cedars 
huja. Chamaecyparis.) 
ES eee Ee E E Ө э kg E a 2. 
greasy character; summer wood straw color. 
(Taxodium distichum.) 
ypress. 
- Growth rings more or less regular in width; summer wood browni 
ish 
hite Firs.  (Abies.) 
We 
- On freshly-cut section wood has a characteristic, resinous, turpentine-like 
od 
hen wet; wood heavy, hard, and resinous, rather fine grained. 
Longleaf Pine. (Pinus palustris.) 
NUM WE # э woe d eR e ka QU MCN C Wo ERR M Ж ө е 
Tinoa oft 11. ы, 
g: BUAT 1 ас оеп wavy i DD ; y ошоп 
