Me. i Lesquereux on fossil plants from Nebraska. 
with a blunt point ; borders always entire. Some of the leant § 
are equal on both sides, and have a pretty long petiole; samy 
others are broader on one side or inequilateral, often currél : 
to one side from a short petiole, thus showing the form of lea 
lets of a compound leaf. The nervation is exactly that oft 7 
Juglans ; I consider, therefore, these leaves as belonging a 
49, Prunus Parlatorii (Andromeda?) Heer.—Among the | 
numerous specimens of this species, one of them has distinctly | 
preserved its nervation, which is like that of a Prunus or of at : 
Amygdalus. As the leaves are all entire, coriaceous, all la 
. Prunus Cretaceus, sp. nov.—A broadly ovate-pointil 
nutlet, similar in every point to a large kernel of a Prunus, 
to a very small almond. The surface is smooth ; the franc 
base is notched by a groove ascending to above the middle 
52. Phyllites umbonatus, sp. nov.—A leaf perhaps deformel | 
by compression, for the medial thick nerve is split in tw? 
pairs of secondary veins, the upper ones curved upward, th 
of the middle nearly at a pc geen with the redial ner” 
downward | 
a in ~_—- abnormal ways, pe 
o complete the list of fossil plants known at this time 
the Cretaceous formation of America, we have only to add # 
b 
