805 



PSILO. 



the main stem below the points of bi- 

 furcation, Smoother and smaller than 

 P, princeps^ growing in tufts, and with 

 different form of organs of reproduc- 

 tion, yet not easily distinguished from 

 it when fragmentary. Devonian oi^ew 

 Brunswick, Canada. VIIl-IX. 



Psilophyton elegans. Dawson. 

 Geological history of plants, 1888, page 

 ^^^ fig. 21^. — Brian (Devonian) rocks- 

 -, YIIL 



Psilophyton gracillimum. (Lesquereux. Proceedings 

 ^ /^ f ^ ; A m e rican Philosophi- 



lll^. I i ^..^^^ J-''- cal Society, Philadel- 



phia, 1877. OoUett's In- 

 diana Keport of 1883, 

 page 78, plate 3, fig. 1. 

 In Cincinnati {Hudson 

 river) formation^ with 

 fragments of branches 

 ( Psilophyta^ Lepido- 

 ^j ^ dendra, or Siffillarice), 

 ^L ^ • Collett. Ill K 



Psilophyton princeps, Dawson. Geol. Canada, 1863, page 



IncL /683 • 



