PLATE 69. 
Fig. 1. 317. 5. Buthotrephis? flexuosa. (Pag. 263.) 
1 a. A large fragment, with numerous branches or leaves. The plant appears to have been long macerated 
before it was imbedded. 
1 b. A specimen in the same condition as the last, with the branches less diverging. 
1 c. A fragment of stone, with two smaller specimens retaining more of the original substance of the plant. 
