PALEOZOIC TIME — CARBONIC. 



673 



The fruit of Cordaites {Cordaicarpus) Gutbieri is represented in Fig. 1062. 



1058 a 



1058 6 



1058-1061. 



1059 



1058 c 



1060 



1062-1068. 



1066 



TETnrs. — Figs. 105S a, b, c, Trigonocarpus tricuspidatus ; a, the exterior husk or rind ; 6, the nut separate from 



the rind ; c, kernel ; 1059, nut of Trigonocarpus ? ; 1060, T. ornatus ; 1060 a, vertical view of summit, 



showing the ribs of the surface ; 1061, Cardiocarpus bicuspidatus. Newberry. 



The Cordaites had a large pith, like that named Artisia and Sternbergia, as 

 figured by Lesquereux on plate Ixxxi. of his Pennsylvania Report. The gen- 

 era. Lepidoxylon, Dicrano- 

 phyllum, Tcenioj)hyUum 

 .are related to Cordaites, 

 and probably others in 

 which the pith is large. 



3. Gymnospenns re- 

 lated to the Yews. — The 

 other Gymnosperms of 

 the era, usually called 

 Conifers, were probably 

 related to the Taxinese 

 or Yews, which have 

 single fruit instead of 

 cones, and vary widely 

 in foliage, the leaves 

 sometimes broad, and 

 occasionally Fern-like. 

 From such trees came 

 probably the fossil nuts, 

 as suggested by Hooker, 

 The above figures are 



from Newberrv's Ohio ^^^"^- "~ ^^S- IO62, Cordaicarpus Gutbieri ; 1068, Cardiocarpus elonga- 

 *^ tns • infid n Rnmfl.rfl='formis ! 106.5. n_ hisectuR • 106fi_ Roti-vncnnns 



Report. Fig. 1058 rep- 

 resents one of the three- 

 sided or six-sided fruits, 

 called Trigonocarpus : 1058 a, the husk; b, the nut; c, the kernel. Fig. 1059 



DANA'S MANUAL — 43 



tus ; 1064, C. samarseformis ; 1065, C. bisectus ; 1066, Botryoconus 

 (Antholithes) Pitcau-niae ? ; 106T, B. priscus ; 1068, Cordaianthus, flow- 

 er (fruit ?) of a Cordaites. Fig. 1062, Lesquereux ; 1063, 1064, 1066- 

 1068, Newberrj- ; 1065, Dawson. 



