with Descriptions of N~ew Sp< ■■'<■ s of Fossil PI 



son with them. A general similarity in form ami nervatioi I 

 Cupania, and especially to C. Americana, has Bugg the 



name adopted, but it cannot be Baid that the correspondent 

 very close. 



Formation and Locality. Miocene Btrata, Fori CTnii 

 Dacotah. (Dr. Hayden.) 



Phyllites venosns. (n. Bp.) 



Leaves thick ami fleshy, irregularly oval in outline, round I 

 slightly heart-shaped at base, blunt-pointed above, unsymn 

 throughout, margins entire or serrate, nervation Btrong, pi nil 

 midrib flexuous, lateral nerves arched upward, branchin urn- 



mit. 



I have been able to detect m> relationship between tin 

 leaves and those of any living plants, and publish the I 

 and description given, in hopes that others may be moi 

 cessful. They have the general aspect of those of a I. aura.-, 

 tree, but I suspect they are related to those now described 

 under the names of Ph. carneosus and Ph. Oupanioid 



Formation and Locality. Fort CTnion, Dacotah. (Dr. II 

 den.) 



Phyllites carneosus. (n. Bp ) 



Leaves large, fleshy, and strongly nerved, orbicular in outlim . • 

 date or rounded, often unsymmetrical at the base, obtuse 

 mit, margins wavy or coarsely and deeply Bcalloped; n< 

 strongly marked throughout; medial nerve Btraight, or nearlj 

 frequently produced intoalongand strong petiole; lateral nen 

 six to eight pairs, all more or less forked ; lower pair shorl 

 ino- downward soon after leaving the midrib; second pair 

 outward near the base, and reaching the baso-lat oral n 

 course nearly at right angles to the line of the midi 

 strongest, much branched on the lower Bide above t : lie; 



upper pairs once or twice forked near the Bummil I 

 parallel, simple, straight or gently arched, given 

 from the secondary, which they conn 



T'p to the present time I have tailed 

 with those of any g< nns known, living 



