THE FLORA OP THE COAL FORMATION. 

 Fig. 159. — Araucarites and Dadoxylon. 



425 



A, Araucarites gracilis; reduced. 



W, Dadoxylon Acadianum (radial), 90 diams. 



I'.', Do. do. (tangential), 90 diams. 



Vfi, Do. do. cell showing areolation, 250 diams. 



C, Dadoxylon raatcriarium (radial), 90 diams. 



C, Do. do. (fauKential), 90 diams. 



C^, Do. do. coll sliowing areolation, 250 diams. 



D, Dadoxylon antiquius (radialj, 90 diams. 



D', Do. do. (tangentini), 90 diams. 



D^, Do. do. cell showing areolation, 2i}0 diams. 



2 E 



