FLORA OF THE DEVONIAN. 



537 



dant at St John, both in the sandstone containing coniferons trees, and 

 the shales which aflford Ferns, Cordaites, etc. Some of the beds of 

 the Litter are filled with flattened stems. This was one of the first 

 fossils recognised in the St John rocks, specimens having been shown 

 to me in 1857 by the late Professor Kobb.* 



Fisr. 186. — Calamitcs transitionits. 





Calamites eannceformis, Brongniart. This species, presenting the 

 characters which it exhibits in the Coal measures, occurs in the ledges 

 west of Carlton, associated with the last species, but in much less 

 abundance. It is a widely distributed species, but has not, I believe, 

 been found previously in rocks older than the Lower Carboniferous. 



[Asterophi/U'dcs, etc.) 



AsterophjlUtes acicidaris., Dn, (Fig. 194, II and H^). Stcm^ slender, 

 striated, thickened at the nodes, leafy. Leaves one-nerved, linear, 



* Dr Gesner mentions (Second Keport, 1840, p. 12] a Calaiuitc (probably this species) 

 as occurring near Little Kivcr. 



