﻿DEFECTS OF WOOD REFERRED TO IN THIS BULLETIN, ARRANGED 



BY SPECIES. 



HARDWOODS. . Page. 



Alder : Red-stain 23 



Ash, black: Stillness defect 3,13 



white: Black spots or 

 1 ih itches, sapsucker 



wounds 20 



B 1 n i s li g r ay stain, 



steaming 10 



Decay 32 



S t r a w - y e 1 1 o w heart- 

 wood 10, 38 



White-rot, heart wood 37 



Basswood: Brown spots, pith- 

 ray flecks 21 



Green-stain 23 



Birch : Pith-ray flecks 21 



Reddish yellow stain 23 



Birch, sweet: White-rot, heart- 

 wood 38 



yellow: Blue-stain, sap- 

 wood 29 



Brown spots, pith-ray 



flecks 1 22 



Decay 38 



White-rot, heartwood 38 



Cherry : Brown spots, pith-ray 



flecks 21 



Reddish yellow stain 23 



Elm: Gray color, steaming 10 



Gum, red : Bluish stain 28 



Orange to straw-colored rot, 



sapwood i 40 



Sap stains, susceptibility 20 



Gum, tupelo : Orange to straw- 

 colored rot, sapwood 40 



Hickory : Sapsucker wounds 20 



Linden, European : Green-stain_ IT, 

 Mahogany, African: Yellow- 

 brown rot, heartwood 30 



Maple : Brown spots, pith-ray 



flecks 21 



Reddish yellow stain 23 



Maple, hard : Black-stain, sap- 

 sucker injury 20 



Brown spots, pith-ray flecks_ . 21 

 Maple, soft : Black-stain, sap- 

 sucker injury 20 



Brown spots, pith-ray flecks- 21 

 Oak, European : Brown heart- 

 wood 29 



white : Blackish brown stain, 



steaming 10 



Blue-black to gray-black 

 stain, immersion in 



water 15 



Brown-rot, heartwood 33 



Honeycomb, heart-rot-- 39 

 Tawny color, heart- 

 wood 3S, 30 



Whitish' piped rot, heart- 

 wood 38 



50 



Paga. 

 Poplar: Brown spots, pith-ray 



flecks 21 



Whitish rot, heartwood 38 



Poplar, tulip: Bird's-eye 20 



Curly grain 20 



Sapsucker wounds 20 



SOFTWOODS. 



Cedar: Blue-stain, sapwood 28 



Red-rot, heartwood 34 



Cedar, incense : Brownish red 



stain 23 



Brown-rot pockets, heart- 

 wood 36 



Lightning rings 19 



Purplish heartwood LG. 35 



Red-rot, heartwood 34 



Cedar, Port Orford : Red-rot, 



heartwood 34 



Cedar, red : White streaks in 



heartwood 16 



Cedar, western red: Brown-rot 



pockets, heartwood 3G 



Purplish heartwood LG. 35 



Reddish brown rot, heart- 

 wood 35 



Red-rot, heartwood 34 



Cypress, southern bald : Pecki- 



ness of heartwood 3G 



Douglas fir : Blue-stain, sap- 

 wood 28 



Color variations in heart- 

 wood due to growth 16 



Decay 32 



Decay during shipment 31 



Lightning rings 19 



Pitch pockets 12 



Reddish brown rot, heart- 

 wood 35 



Red-rot, heartwood 84 



Splintering tendency 18 



"Yellow fir" 1G 



Fir: Blue-stain, sapwood 28 



Brown discoloration, heart- 

 wood, stringy brown-rot__ 37 



Brown-rot, heartwood 35 



Fir, white: Brown discoloration, 

 heartwood, stringy brown- 

 rot 37 



Lightning rings 19 



Hemlock, western : Black check- 23 

 Brown discoloration, heart- 

 wood, stringy brown-rot 87 



Pine : Orange-red stain, sap- 

 wood 29 



Pink color, sapwood 29 



Yiolet stain 29 



