cusHcd with caution, and with a due consideration of its venerable 

 age and state of preservation, and probably great divergence from 

 any of our modern plants; and it is to be hoptd that ere long 

 other parts than its trunk may be discovered to throw light on 

 its nature. Until that takes place, the above remarks will be 

 sufficient to define my position in regard to it; and I shall decline 

 any further controversy on the subject until the progress of dis- 

 covery reveals the I'oliage or the fruit of this ancient tree, belong- 

 ing to a type which I believe passed away before even the Car- 

 boniferous flora came into existence. 



