217 



PLATE 221. 



X Eucalyptus Mclntyrensis Maiden, n.sp. 

 (A reputed hybrid between E. rostrata Schlecht. and E. ovata Labill ) 

 la. Juvenile leaves ; 16, intermediate leaf and buds ; lc, mature leaf and fruits. Mount Mclntyre, South 

 Australia. . (Walter Gill.) 



Eucalyptus sideroxylon-leucoxylon hybrids (2 and 3). 



2a, 26. Juvenile leaves in various stages; 2c, intermediate leaf; 2a", mature leaf; 2e, anther; 2/, two 

 flowers, rather far advanced; 2g, fruits, immature, the fruit also shown end on. Maryborough, 

 Victoria. (J. Blackburne.) 



3a. Twig, with mature leaf and immature fruits, showing remains of stamens ; 36, anthers ; 3c, fruits, one 

 shown end on. Maryborough, Victoria. (J. Blackburne.) 



Specimens (2) and (3) form a perfect series between E. sideroxylon and E. leucoxylon. The 

 corresponding specimens are Nos. (1) and (4) of Plate 220. 



Mr. Blackburne sent, at my request, complete material of all four trees, including bark and timber, 

 and these four specimens were fully described by me in Proc. Linn. Soc. N.S.W., xxx, 496 (1905). See also 

 p. 165 of the present Part. 



FOSSIL SPECIES. 



PLATE 222. 



Eucalyptus Pluti McCoy. 

 la, 16. Average leaves; lc, " broad sapling form of leaf " ; la", " magnified, showing leaves and average 

 oil-dots "; le, " magnified portion of leaf of E. globulus " (for comparison with Id. Adapted 

 from Plate XXXIX, Decade IV, " Palaeontology of Victoria," McCoy. From Daylesford, Victoria, 

 in the Deep Leads. 



Eucalyptus Milligani R. M. Johnston. 



2. Mature leaf. From fig. 11, Plate XXXII, Johnston's " Geology of Tasmania." From Tertiary Deposits, 



Mt. Bischoff, Tasmania. 



Eucalyptus Kayseri R. M. Johnston. 



3. Mature leaf. From fig. 8, Plate XXXIX, Johnston's " Geology of Tasmania." The fossil was 



evidently in a poor state of preservation, as the venation is so imperfectly shown. Supposed 

 locality, Tertiary Leaf Beds, Macquarie Harbour, Tasmania. 



Eucalyptus Delftii Ettingshausen. 



4. Upper portion of mature leaf, from fig. 15, Taf. vi, of Ettingshausen' s " Beitrage zur Kenntniss der 



Tertiarflora Australiens " in ' : Contributions to the Tertiary Flora of Australia," being a trans- 

 lation in No. 2 of the Palaeontology Series of the New South Wales Department of Mines (1888). 



Eucalyptus Diemenii Ettingshausen. 

 5 and 56. Mature leaves, from figs. 9, 9a, and 10 of Plate XV of the same work as quoted under No. 4. 



Eucalyptus Hayi Ettingshausen. 



6a and 66. Portions of mature leaves; 6c, venation, from figs. 4, 5 and 5a respectively of Plate XV, same 

 work as quoted under No. 4. 



Eucalyptus Houtrnanni Ettingshausen. 



la. Fragment of mature leaf; 76, venation, from figs. 3 and 3a of Plate XV, same work as quoted under 

 No. 4. 



