126 



PLATE 257. 



1. E. corymbosa Sm... natural size. Pale-brown, winged seed. The membranous parts much crinkled 



and scaly; hilum ventral. 



la. Enlarged, showing the hilum, which is rather large and almost in the centre of the endosperm. 



16. Enlarged, showing a broader seed ;, (a) hilum, (b) membranous keel, note the irregular, rudimentary 

 wing. 



1c. Enlarged, showing the dorsal membrane or rudimentary wing. Eden, N.S.W., near south-eastern 

 coastal border to Victoria (Forest Guard H. H. Rose, 1918). 



2. E. calophylla R. Br,, iiatural size. 



2fl. Enlarged; a very handsome, shining, black seed, with very large hilum; (a) the large ventral hilum; 

 (b) the semi-transparent keel; (c) lower portion of the ventral surface, showing the irregular ridges 

 and depressions. " Red Gum,'' Big Brook. Warren district, S.W. Australia (Max Koch, No. 1855). 



3. E. calophjlla R, Br., var roura Maiden, natural size. 



3«, Enlarged; (a) ventral hilum; (b) semi-transparent membranous keel. 



\jb. Enlarged ; the same seed viewed from the opposite side. The seeds are furnished with a rudimentary 

 wing along the dorsal, and extending slightly to both ends. Rydalmere, Parraniatta River, 

 Sydney (cultivated by Dr. G. P. U, Prior, 1918). 



4. E. Watwnimia P.v.M., natural size. 



4a. Enlarged, showing the broad ventral surface with the hilum towards the lower end. 



ib, Enlarged; (a) hilum, which is almost in the centre of the endosperm; (b) ventral view, showing the 

 keel. 



4c. Enlarged ; brown, boat-shaped seed, keeled at the back. Note also the rudimentary wing on the lower 

 and of 4a and 4b, Cultivated, Botanic Gardens, Sydney (J. L. Boorman, 1918). 



5. E. emmia Schauer, natural size. 



5a. Enlarged, showing the broad ventral surface and the large hilum. 



5?>, Enlarged, showing the hilum closer to the lower edge, and the upper end with a rudimentary wing. 



5c. Enlarged ; back view, showing the obtuse keel. 



The seeds flat on one side, irregularly ribbed, the hilum large and ventral (5a and 5b). 

 The back is arched, smooth (5c), and having a pronounced spine. One end of the seed is thin, 

 and marked off by a line. Hornsby, a few miles north of Sydney (W. F. Blakeley and D. W. C. 

 Shiress, May, 1919). 



6. E. citriodora Hook, natural size. Thick, shiny, black seeds: not winged, or a few only with a 



rudimentary wing. 



6a. Enlarged, showing the ventral and the broad, orbicular hilum, also the very thin margin on the upper 



portion of the seed. 



* 

 (i&. Enlarged, showing the ventral and the depressed orbicular hilum. The seed is thicker than 6a, but 

 the lower margin is very sharp, 



6c. Enlarged, showing the dorsal keel and the slightly wrinkled sides. The ventral face is usually 

 moderately smooth and even, not with numerous irregular depressions like 4a and 5a. Cultivated, 

 Brooklyn, Hawkesbury River, N.S.W. (W. F. Blakely and D. W. C. Shiress, April, 1919). 



7. E. maculaia Hook, natural size. 



7a. Enlarged ; side view of seed showing a marginal membrane. 



lb. Enlarged, showing the depressed ovate hilum, and a somewhat elongated depression surrounding it. 



