436 .V. E. Stevens— New Jersey Palmoxylon. 



occur abundantly at times from the upper Cretaceous on, both 

 on the coastal plain and in the formations of the continental 

 interior. 



In addition to several Tertiary forms described by Knowlton, 

 Hatcher is known to have secured various stems from the 

 Laramie of Converse county, Wyoming. Wieland has col- 

 lected from the Pierre the splendidly conserved stems arbi- 

 trarily called by him Palmoxylon, cheyennense* Cannon has 

 secured an abundance of exquisitely silicified stems from the 

 Denver beds. And only last year Brown observed a large 

 silicified root clump in the "Rattlesnake" beds on the "big 

 bend" of the Rio Grande in Chisos county, Texas. 



* This Journal, vol. xv, p. 216. 



