E. II. Barbour — Carboniferous Plant Tissue. 173 



Art. IX. — Carboniferous Plant Tissue; by Ebwin H. 



Barbour. 



' Unusual amounts of actual plant tissue of Carboniferous age 

 were found in 1912 one mile south of Fern, Nebraska, while 

 exploring the newly discovered Eurypterid beds." Only the 

 most resistant tissue could have endured through such a lapse 



Fig. 1. 



Fig. 1. Photomicrograph of Carboniferous Plant Tissue, Peru, Nebraska. 

 Magnified 110 diameters. 



of time. When freshly cleaved, the Eurypterid shales reveal 

 innumerable bits and patches of tissue, mostly bright red in 

 color. The tissue has surprising substance, pliability, and 

 strength, and can be collected easily by stripping from the 

 shale and dropping into phials of water or alcohol. When 



* Barbour, E. H., this Journal, vol. xxxviii, p. 507, December, 1914. 



