PLATE LXVIII. 



PAGE 



Figs. 1-6. CuPEESsiNOXYLON Wardi Knowlton, Clifton (Baltimore) 415 



1. Transverse section. X 50. 



2. The same. X 200. 



3. Tangential section. X 50. 



4. The same. X 200. 



5. Radial section. X 50. 



6. The same. X 200. 



567 



