Cockerell: Fossil plants from Florissant . 311 



Rhamnus Kirchneri nom. nov. 



ilipt 



*J- 



>llipt. 



183. //. i 5 . 



Ilex Leonis nom. nov. 



Ilex quercifolia Lesq. Cret. and Tert. Fl. 186. pi. j8. f £-j. 

 Not /. quercifolia Murb. 1798. 



Crataegus Lesquereuxi nom. nov. 



Crataegus acerifolia Lesq. Cret. and Tert. Fl. 198. pi jd. f 10 

 Not C. acerifolia Moench, 1785. 



Malvastrum (?) exhumatum sp. nov. 



Represented by a leaf, which as 

 preserved is dark reddish, and is per- 

 fect except for the loss of nearly all 

 of one of the lateral lobes. Leaf 28 



trilobed. with the form of 



mm. 



long, 



the leaf of M. elatum (E. G. Baker) 

 A. Nelson, a species not rare in New 

 Mexico. The lobes are cut in the 

 usual irregular manner, and the lobules 



the characteristic 



have 



convex 



sides 



and rather blunt points. The large 

 median lobe is about 2 1 mm. long and 

 1 1 mm. broad, with a deep incision 

 nearly 5 mm. long on the left side, and 

 two smaller ones on the right ; the 

 left lateral lobe is about 12 mm. 

 and 5 mm. broad, with a 



cision. (Figure 5.) 



long 



single 



m- 



FlG. 5. Malvastrum (?) ex- 

 humatum Cockerell. 



(#« 



Carduus florissantensis sp. nov. 



Represented by the apical portion of a leaf, the 



fragment 



about 4.5 cm. long, looking exactly like a leaf of Quercus coccinca, 

 but having the margin thickened, and the venation like that of 

 Carduus, the lateral veins connected by arched veins running 

 parallel (except for the arching) with the midrib. The leaf is 

 pinnatifid into few entire segments, as in the Quercus cited, these 

 being sharply pointed ; one of them is about 1 5 mm. long, and 



