DEFECTS OF WOOD REFERRED TO IN THIS BULLETIN, ARRANGED 
BY SPECIES. 
HARDWOODS. 
PAsldete7 Eve d= Sani eee eeeeneee 
Ash, black: Stiffness defect____ 
white: Black spots or 
blotches, sapsucker 
WOUMTS Saas s sewer 
JBOSS Rav “Sie eeu ia 
SUE Allan tla ey eee ete 
DCCA Ss REA eS ee 
Straw-yellow heart- 
WiOOGr ace to a ee ey 
White-rot, heartwood __ 
Basswood: Brown _ spots, pith- 
RAV one CKS esas Se eee ee SO 
Greenestaii se waka ca al 
Birch: eeitherady. lecksmes saa 
Reddish yellow stain 
Bireh, sweet: White-rot, heart- 
Wi O Cie ats ae setts ies ae ee 
yellow: Blue-stain, Sap- 
VO O Cerne ek meme ei 
Brown spots, pith-ray 
HCCI Nec Ea 
ID eealy io 2c Cie om ae 
White-rot, heartwood__ 
Cherry: Brown spots, pith-ray 
Reddish yellow stain______ 
Elm: Gray color, steaming_____ 
Guim. red: Bluish) Staines 
Orange to straw-colored rot, 
sapwood 
Sap stains, susceptibility___ 
Gum, tupelo: Orange to straw- 
colored rot, sapwood_________ 
Hickory: Sapsucker wounds____ 
Linden, European: Green-stain_ 
Mahogany, African:. Yellow- 
brown rot, heartwood________— 
Maple: Brown spots, pith-ray 
flecks 
Reddish yellow stain_______ 
Maple, hard: Black-stain, sap- 
SUCKER in Uy ae eens 
Brown spots, pith-ray flecks_ 
Maple, soft: Black-stain, sap- 
sucker injury 
Brown spots, pith-ray flecks_~ 
Oak, European: Brown _ heart- 
wood 
white: Blackish brown stain, 
Steainin estate Aimee 
Blue-black to gray-black 
stain, immersion —§ in 
nfs Weg, 2) cere eee ences A is 
Brown-rot, heartwood__ 
Honeycomb, heart-rot__ 
Tawny color, heart- 
wood 
Whitish piped rot, heart- 
wood ___ te 
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16,3 
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13 
Heck gts + areata ie ee 
Whitish rot, heartwood____ 
Poplar, tulip: Bird’s-eye 
Curly iciraiinieen ae ee Baan 
Sapsucker wounds 
SOFTWOODS. 
Cedar: Blue-stain, sapwood 
Red-rot, heartwood 22-225" 
Cedar, incense: Brownish red 
stain 2 See ee 
Brown-rot pockets, heart- 
wood ____ id a Saale 
Dated oyrouivayes: Teas 
Purplish heartwood2s) 52222 
Red-rot, heartwood == 25 
Cedar, Port Orford: Red-rot, 
heart woOod)= 22263 eee 
Cedar, red: White streaks in 
heartwood —_____ rasta 
Cedar, western red: Brown-rot 
pockets, heartwood 
Purplish heartwood___—___— 
Reddish brown rot, heart- 
wood 
Cypress. southern bald: Pecki- 
hess of heartwood______- = 
Douglas fir: Blue-stain,  sap- 
WOO0GE sas eee 
Color variations in heart- 
‘wood due to growth______ 
DeCa yi c2 S25 oe es ee 
Decay during shipment____ 
JOAN R ANTS TAA 
Pitch pockets 
Reddish brown rot, heart- 
wood 
Red-rot, heartwood________ 
Splintering tendency_______ 
ee NEU ION TE ee a 
>: Blue-stain, sapwood_______ 
Brown discoloration, heart- 
wood, stringy brown-rot__ 
Brown-rot, heartwood______ 
Fir, white: Brown discoloration, 
heartwood, stringy brown- 
TOS 
1OniAl an aUh oes eNOS 
Hemlock, western: Black check_ 
Brown discoloration, heart- 
wood, stringy brown-rot__ 
Orange-red stain. sap- 
wood 
Pink color, sapwood 
Violet stain 
Pine: 
LG, 
LG, 
