30 The Decay of Ties in Storage 



PLATE VI 



Fig. 1. Cross section of severely rotted white elm tie 

 shown in Plate III, Fig. 2, rotted by Daldinia 

 concentrica. 



Pig. 2. Longitudinal section of the same tie. 



Fig. 3. Longitudinal section of beech tie shown in Plate 

 II, Fig. 4, rotted by Hypocrea citrina. 



Fig. 4. Cross section of same tie. The whitened area 

 shows the extent of the rot. 



Fig. 5. Schizophyllum commune fruiting on the end of a 

 persimmon tie. 



Fig. 6. Cross section of the same tie. The whitened areas 

 are considerably decayed. 



Fig. 7. Longitudinal section of the same tie. 



Fig. 8. Schizophyllum commune on the end of a com- 

 paratively new yellow pine tie. 



Fig. 9. Longitudinal section of the same tie. Note that 

 there is no noticeable decay. 



Fig. 10. Cross section of the same tie. 



