FROM THE HTJTT0N COLLECTION. 37 



Calamites articulatus, Gutb., Vers. Zwick. Schwarzk., pi. 3, 

 Aster ophyllites jubata, L.etH., Foss. Flora, pi. 133. [f. 2, 3. 

 ? Calamites dubius, Artis, Anted. Phyt., pi. 13. 



Aster ophyllites sp., Lebour, 111. Foss. Pits., pi. 6. 

 Eoot (?) Lebour, ,, pi. 61. 



16. — Asterophyllites jubata, L. etH. Type specimen, F. F., pi. 133. 

 Specimen about nine inches long, with very long needle-shaped 

 rootlets, arranged in whorls round the joints, and directed in 

 brush-like mass towards base of stem. Stem indistinct, an 

 inch wide, finely striated, with numerous joints, from an inch 

 to half an inch apart ; joints with a coronal appearance from 

 compression. 

 Loc. — Shale above the Bensham Seam, Jarrow. (H. C. 87). 



17. — Apparently the terminal, root, portion of a small stem, 



with tufts of very long needle-shaped roots, with appearance 



of closely-placed joints. 



Loc. — Shale above the Low-Main Seam, Felling. (H. C. 89). 



18. Tuft of long needle-shaped rootlets, apparently belong- 

 to the same species. 

 Loc. — Shale above the Low-Main Seam, Felling. (H. C. 90). 



19. Terminal or basal part of stem, with tuft of rootlets. 



Perhaps young state of A. jubata. 



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



Branchlets and Leaves. 



20. — Asterophyllites sp., Lebour, 111. Foss. Pits., pi. 6. Type. 

 Impression of tuft of leaves, in a young state of growth. 

 Loc. — Shale above the Bensham Seam, Jarrow. (H. C. 84). 



21. Single whorl of leaves, more than an inch in length. 



Loc. — Shale above the Bensham Seam, Jarrow. (H. C. 85). 



22. Young branches, not fully expanded, on two slabs of 



shale. It is probably the young undeveloped end of a fine 



branch. 



Loc. — Shale above the Bensham Seam, Jarrow. (H. C. 78). 



23. Root ('?), Lebour, 111. Foss. Pits., pi. 61. Type. 



Portion of stem and branches and tufts of leaves, rather 

 indistinct. Stem finely striated. The tufts of leaves similar 

 to the preceding. Hutton's label, "Jarrow." 

 Loc. — Shale above the Bensham Seam, Jarrow. (H. C. 119), 



