434 



N. E. Stevens — Petrified Palms. 



Fig. 3. — P. cheytnnensc, a lougitudinal bundle showing three large vessels. 

 This bundle is slightly smaller than many of those shown in the sections, 

 and the phloem is well preserved. A single bast strand is also shown. X 45. 



Fig. 4. — P. clieyennense, a transition bundle. X 45. 



