62 ROYAL SOCIETY OF CANADA 
5. C. hamiltonense. 
Ray cells about 28-37 mic. broad. 
Pits on the lateral walls of the ray cells about 1-4 per tracheid. 
6. C. illinoisense. 
Ray cells (tang.) oblong. 
Pits on the lateral walls of the ray cells 1-3, chiefly 2 per tracheid. 
7. C. Brandlingii. 
Ray cells (tang.) oval or round. 
Pits on the lateral walls of the ray cells 1-8, chiefly 2-3 per tracheid. 
8. C. materioide. 
Ray cells not determinable. 
9. C. annulatum. 
Bordered pits in 2-5 rows. 
Ray cells (tang.) oval or oblong. 
Pits on the lateral walls of the ray cells 2-4, chiefly 4 per trachied. 
10. C. ouangondianum. 
Pits on the lateral walls of the ray cells 4-10, chiefly 6 per tracheid. 
11. C. acadianum. 
Ray cells (tang.) broad or squarish. 
Pits on the lateral walls of the ray cells 2 per tracheid. 
12. C. ohioense. | 
Ray cells (tang.) oval or round. 
Pits on the lateral walls of the ray cells 1-5, chiefly 1-2 per tracheid. 
13. C. materiarium. 
Bordered pits in 5 rows. 
14. C. Halli: 
CORDAITES BRANDLINGII, (Lindl. and Hutt., Gépp.). 
Hess, 9 OI 
Bib. :—Dana, Man. Geol., 1875, 331; Zittell, Schimper & Schenk. Handb. der 
Pal., 1890, 242, 853, 865; Grand’Hury, Geol. et Pal. du Bass. Houil. du 
Gard., 316; Unger, Gen. et Spec. Plant, Foss., 1850, ; Knowlton, Proc. 
U. S. Nat. Mus., 1889, 52, & 1890, XII., 607; Witham, Int. Struct. of 
Veg. Foss., 1833, 73; Grand’Eury, Flor. Carb. du dept. de la Loire, 
1877, 264; Gôppert, Die Foss. Flor. der Perm. Form., 1864-1865, 255; 
Goppert, Foss. Conif., 1850, 232; Endlicher, Synop. Conif., 1847, 299; 
Goppert, Bronn. Gesellsch. d. Nat., III, 42; Felix, Sitzb., d. Natf. 
Gesell., Leipzig, 1882, IX., 6; Schimper, Pal. Veg., II., 328; G6ppert, 
Nachtr. z. Kennt. d. Conif. d. Pal. Form., 1888, 12. 
Dist.—A widely distributed European species. 
Although this species is not enumerated among those specially 
described by Sir William Dawson, it is represented in his material, and 
served-as his basis of comparison. Moreover, as stated by Brongniart, 

