34 CATALOGUE OP FOSSIL PLANTS 



Stem. 



1. — Hippurites gigantea, L. et H. Type specimen, F. F., pi. 114. 

 This specimen has two internodal portions of the stem. The 

 joints with indications of leaf-scars or apertures and elongated 

 fringe-like leaves or bracts rising from the marginal line of 

 the joints. Hutton's label, " Hippurites gigantea, Newcastle." 

 Loc. — Shale above the Bensham Seam, Jarrow. (H. C. 603). 



Cast of portion of stem with one joint; an irregular 



row of elliptical apertures on a line with the joint. 



Loc— Shale above the Bensham Seam. Jarrow. (H. C. 602). 



Two joints of a stem ; space between joints narrow, 



entire width of stem not shewn. 



Loc. — Shale above the Bensham Seam, Jarrow. (H. C. 604). 



Fragments of lower portion of stem with leaves or leaf- 



like sheath springing from joints. 



Loc. — Shale above the Bensham Seam, Jarrow. (H. C 61). 



Stem with large Branch-Scars. 



5. — Cyclocladia major, L. et H. Type specimen, F. F., pi. 130. 

 The specimen shews casts of four large nipple-shaped tubercles, 

 nearly circular, and traces of cortical layer. Not a very de- 

 sirable specimen to figure and found a genus on. Hutton's 

 label, "Jarrow, Bm." 

 Loc. — Shale above the Bensham Seam, Jarrow. (H. C. 660). 



6. Portion of the stem with six internodes and joints ; scar- 

 marks along the joints ; row of four circular tubercles between 

 the second and fourth joints ; cast with wrinkled surface. 

 Loc. — Shale above the Bensham Seam, Jarrow. (H. C. 664). 



7. Fine specimen with five tubercles below the joint ; 



tubercles much compressed, nipple-shaped; cortical integu- 

 ment much wrinkled and covered with numerous specimens 

 of Microconchus carbonarius. 

 Loc — Shale above the Bensham Seam, Jarrow. (H. C. 661). 



8. A whorl of ten nearly circular tubercles on a narrow 



band — the band about four inches long and four-tenths wide ; 

 distinct indications of a joint under the band ; imperfect im- 

 pressions of decorticated stem below the line of circular 

 tubercles. 

 Loc. — Shale above the Bensham Seam, Jarrow. (H. C. 662). 



