PLATE 69 A. 
Fig. 1. 317. 5. BurnorrEpnis FLEXUOSA. (Pag. 263.) 
A fragment of slate from Greenwich in Washington county,-with a nearly enfire specimen of this plant, which 
presents some slight differences from the preceding one. Specimens of the same species have recently 
been obtained from the unaltered slates of the Hudson-river group in Lewis county. 
