PRE-CABB0NIFER0D8 PLANTS. 



69 



The minute structures are not well preserved. The specimens are 

 from Madison Co., N. Y. — Hamilton Group ; in Prof. Hall's collections. 



104. Psaronius textiliSfS.N. — U. D., New York. ' ' ' - -■ 



Trunk, with the outer surface marked with irregular ridges and furrows, produced 

 by tortuous aerial roots, which in the centre of the stem are seen to he 

 interlaced with each other. They are less tortuous in what seems to be 

 the upper part of the fragment. 



This specimen is in Prof. Hall's collection, and is from Gilboa, New 

 York, where these trunks are stated to occur in an erect position in sand- 

 stone. 



I may add to the above that Dr. Newberry has communicated to me 

 two well-characterized trunks of tree ferns from the Devonian of Ohio, 

 and another from Gilhoa New York, so that the occurrence of large tree 

 ferns in the Erian Flora is now well established. They are : — 



Caulopteris Lockwoodi, (reduced.) 

 From a Specimen from Gilboa, New York. 



105. Caulopteris LocKWOODi,Dn.— U. D.,New York. 



106. Caulopteris antiqua, Newberry. — L. D., Ohio. 



107. Protoptbris peregrina, Newberry. — L. D., Ohio. 



Caulopteris antiqua, 

 (reduced.) Ohio. 



