FOSSIL PLANTS. 193 



Teinless, verticillate leaves, which are not united in a cup at 

 their base. 



10th Family. CONIFERS, THE PIE TRIBE. 



WOOD ONLY KNOWN. 



Pinites. Three species in the coal formation. 

 Pence. One species in the coal formation. 



One species in the oolite. 

 Pinus. Nine species in the tertiary strata 

 Abies. One species. 

 Taxites. Five species in the tertiary beds. 



One species in the oolite formations. 

 Podocarpus. One species in the tertiary fresh-water 

 formations of Aix. 



Voltzia. Four species in the new red sandstone. 



Thuia. Three or four species in the new red sandstone. 



Thuytes. Four species in the schistose oolite. 



DOUBTFUL. 



Urachyphyllum. One species in the lower oolite formation. 



CLASS Y. MONOCOTYLEDONOITS PHANEKO- 



OAMLE. 

 llth Family. PLUTTALES. 



Zosterites. Four species in the lower green sand. 



One species in the lias.- 



Two species in the upper fresh-waterformation. 

 Caulinites. One species in the London clay. 



I 12th Family. THE PALMS. 



STEMS ONLY KNOWN. 



Palmacites. One species in the lower beds of the London 

 clay. 



LEATES ONLY KNOWN. 



Flabellaria. One species in the coal. 



Three species in the tertiary formations. 

 PJicenicites. One species in the tertiary formations. 

 NoeggeratJiia. Two species in the coal measures. 

 Juniperites. Three species in the tertiary beds. 



