FROM THE nUTTON" COLLECTION. 181 



slit. It is about half an inch wide at base, and very gradually 

 increases till it is an inch and two-fifths at two-thirds of 

 its length from the base, then very gradually tapers again. 

 The surface covered with very fine longitudinal lines or nerves 

 through its entire length. Mr. Hutton's label has on it only 

 " Jarrow, Bm." 

 Loc— Shale above the Bensham Seam, Jarrow. {B.C. — ). 



252. Basal part of a leaf fourteen inches long (the entire leaf 



two feet?) and one inch wide at base, and two and one- 

 quarter inches widest part. Surface covered with fine parallel 

 lines or nerves ; basal part of leaf appears perfect. 

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



Remarks. — These flag-shaped leaves, which have usually been 

 referred to Flabellaria Borassifolia, Stb., have the nerves of the 

 leaves uniform, and not alternately a thick and a thin nerve as 

 in that species. Though it is by no means a rare plant in some 

 parts of this Coal-field, yet from its occurring in fragments much 

 broken up and not attached to the stems to which it belongs, it 

 is impossible to correlate these leaves with any of the stems. 

 "When perfect these leaves are of an elegant slender shape, 

 attaining a length of more than two feet and covered with fine, 

 nearly parallel, longitudinal nerves. 



Cordaites Huttoni, nov. spec. 



253. — Cordaites Huttoni, nov. spec. 



Small flag-shaped leaf, imperfect at base and top, between 

 five and six inches long and from half an inch to five-eighths 

 broad, increasing in width from the base to the middle of the 

 leaf and tapering gradually towards the top. The surface 

 ornamented with very fine and nearly parallel nerves, neatly 

 and regularly arranged with bifurcations, being more crowded 

 at the base and top. This appears to be a different species 

 from the above. 

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



Remarks. — This little flag-shaped leaf has always appeared to 

 me different from the last species, but there is nothing but its 

 size and the very fine longitudinal nerves by which it can be 

 distinguished from the leaves referred to C. principalis. The 



