DEVELOPMENT AND DISTRIBUTION OF THE LEGUMINOSZ. 361 
Nevertheless, on the evidence of leaves alone, in most 
cases, genera such as Magnolia, Ficus, Hucalyptus, Hakea, 
Knightia, Lomatia, Banksia and Fagus have been recorded 
from Upper Mesozoic and Tertiary beds in Hurope and 
America, whereas all that could have been stated with 
any approach to certainty was that these leaves belonged 
to certain alliances, or large groups of orders, among 
the dicotyledons. Even leaves of the Polycarpicee, within 
certain limits, might be mistaken for monocotyledons. 
Clement Reid, in a letter to the writer, has drawn atten- 
tion to the figured fossils supposed to be traces of 
Kucalyptus in “Die Tertiare Flora von Haring’ by 
Ettingshausen. In this figure may be seen fossil leaves 
bearing a general form analogous to a few modern Huca- 
lyptus types, but certainly not at all similar to the leaf of 
the Hucalypt as it must have existed before the later 
Tertiary, if reliance is to be placed upon morphological 
characters. Around the leaves are arranged fruits some- 
what suggestive of the forms of modern Eucalypt types, 
but apparently artificial in their geometrical arrangement 
on the slab. Hven, however, were fossil buds with oper- 
cula, and flowers without petals in association with them, 
to be recorded from Hurope and America, this would by no 
means prove that such plants were Hucalyptus. Acica- 
iyptus, far removed from Eucalyptus, has a circumciss 
operculum. Calyptranthes, one of the Myrte, has a cir- 
cumciss operculum, and in some species the petals are 
suppressed. Marlieria alsohas an operculum. Nostudent 
of living EKucalypts, moreover, would mistake the fossil 
leaves assigned to Hucalyptus in the Northern Hemisphere 
for leaves of that genus. In this connection Mr. R. H. 
Cambage has drawn my attention to an illustration’ of a 
+ Taken from “ Comprehensive Catalogue of Queensland Plants,” p. 
90, by F. Manson Bailey. 
