BY HENRY DEANE AND J. H. MAIDEN. 615 



Buds. — Usually four to six in the umbel, but sevens not rare; 

 stalk up to ^ inch long, hardly compressed, more compressed as 

 the fruit reaches maturity; the stalklets short and round. The 

 operculum and calyx-tube about equal, and both tapering towards 

 a point, the operculum being nearly conical. 



Flowers. — Stamens apparently all fertile and inflected in the 

 bud; stigma not dilated; anthers opening by parallel slits. 



Fruits. — Hemispherical in shape and sometimes, owing to the 

 shortening of the stalklets, so clustered together as to form a 

 dense head, hence the specific name ; small, not exceeding 

 -yq inch in diameter, with a well-defined, sharp rim, domed, and 

 with 3 or 4 well exserted valves. 



Size. — Usually small gnarled trees, but a number 30 or 40 feet 

 with a trunk of 12-18 inches or even 2 feet. 



Habitat and range. — Alluvial flats, following watercourses or 

 depressions; always found in damp situations, hence the name 

 " Flooded Gum." As regards its western localities, up to the present 

 it has only been found west of the Blue Mountains — Wallerawang 

 (H.D), Rydal (J.H.M.); Jenolan Caves (W. Blakely); near 

 Orange, on the Cadia-road, which remains its most western 

 locality at present (R. H. Cambage) ; Rockley and Burraga 

 (R.H.C.). It has not been recorded north of Sydney, and its 

 southern localities are Nimbo Station, head of Queanbeyan Ri^'er; 

 also Crookwell (H.D.) and Fagan's Creek, Braid wood district 

 (Mr W. BJiuerlen, communicated by Mr. R. T. Baker). 



Its closest aftinity is undoubtedly to E. 3Iaca7'thu7'i. Both grow 

 in similar situa.tions, are strikingly similar in appearance, have 

 bark of similar texture and not dissimilar-lookinsj fruit. Tlie 

 venation of the mature leaves and the shape of the sucker leaves, 

 however, divide them sharply. 



From E. Stuartiana our species is distinguished by its dai^ker 

 bark, smaller fruits, venation of leaves, &c. The leaves of E. 

 Stuartiana are also of a darker green, and the fruits are larger. 

 E. Stuartiana would not have been referred to in this connection 

 were it not that some of the older botanists looked upon the 

 present species as a variety of E. Stuartiana. 



