

730 STRATIGRAPHICAL GEOLOGY. - [Boox VI. 
wide distances to the stem, and on their fall left prominent leaf-scars. | 
The true position of this plant is doubtful. It may have been 

lycopodiaceous ; some botanists, however, have placed it with hesita- _ 
tion among the cycads, others have regarded it as a conifer. It bore 
spikes or buds known as Carpolithes. ‘True Coniferee were probably 



































Vic, 351.—Contrerovus Tren-rRuNK IMBEDDED IN SANDSTONE, CRAIGLEITH, 
EDINBURGH (APLER WirHAM), 
abundant on the drier ground, for their stems (Dadoaylon, Araucari- 
aylon, Pinites) have been met with, particularly in the tuffs of — 
