Prunus serotina, Black Cherry Fiber
                This is an image from a stained standard section of Prunus
                  serotina made by John P. Limbach of Ripon, Wisconsin. The tracheids
                  here show the typical pointed terminations and very small pitting.
                
              
              
                Transmitted Off Circular Polarized Light Illumination
                
Definition/Function:
                KINGDOM: Plantae UNRANKED: Angiosperms UNRANKED: Eudicots UNRANKED: Rosids ORDER:
                Rosales FAMILY: Rosaceae GENUS: Prunus SUBGENUS: Padus
                SPECIES: serotina
                Significance in the Environment:
                Characteristic Features:
                Associated Particles:
                References:
                Core, H.R., W.A. Cote, and A.C. Day, WOOD STRUCTURE AND IDENTIFICATION, Syracuse Wood
                Science Series, Vol. 6, 1979. 
                http://en.wikipedia.org/wiki/Prunus_serotina