L. F. Ward—Mesozoie Dicotyledons. 295 
declared the horizon Cretaceous, and among the plants described 
were four Dicotyledons. 
In 1866 appeared the somewhat famous PhyJlites crétacées du 
Nebraska of Capellini and Heer,” the latter of whom determine 
the fossil plants which the former had himself helped to collect 
at Blackbird Hill, Nebraska, in the tow well known Dakota 
Group. The Cretaceous character of these fossils was here 
te grdgiog! y conceded and has never since been seriously 
oubted. 
flora of the west. These were Dr. Newberry’s Notes on the iater 
Stag followed the same method and reached the same results. . 
oth authors give lists of the American Cretaceous Be 
known up to that date, Dr. Newberry enumerating 20 and Mr. | : a 
Lesquereux 21 Dicotyledons. The number of species described ae : 
7 Verhandl. d. schweiz. Geselisch. d. Naturf. Zurich, 1866. 
* 
6 
Kreideflora von Niederschoena in Sachsen, ein Beitrag zur ae =e : 
e = 
rc dltesten Dicotyledonengewachse, von Const. Freih. v. Ettingshausen. 
 Abth. 1, pp. 235-264, Taf. i-iii 
Kreidepflanzen aus Oesterreich, von Dr. F.U 
2¢ 
: res corresponding in the main to the SCriet aoe 
published in separate forth by the U.S. G. and G. Survey of the Territories, F. ee 
ayden, Geologist-in-charge, under the title: “ Illustrations of Cretaceous and 
oe s i : 
Tertiary Plants of the Western Territories of the United States,” which did not 
& 
nger, l. c. pp. 642-654, Taf, sata oa 
weak : 
