Following is a note on this timber, written by Mr. Forester J. S. Allan 

 in 1892 : 



It is found growing along the coast range, on the eastern and western fall 

 of the Irish Corner and Sugar Loaf Mountains, within Forest Reserve No. Kii>. 

 county of St. Vincent. The timber is the best procurable in the Braidwood 

 district, and is used locally for bridge-planking, girders, dray-shafts, poles, and 

 for house-building : grows on high elevations in open forest country, usually 

 sound. 



When the heartwood is cut out it is a durable timber, fine grained, and 

 free from gum-veins. I know several culverts that have been decked with the 

 above timber over nine years, and the planks that were free from heart I 

 find are sound yet. The timber is equal to the " Spotted Gum " of the coast 

 districts. But there is an easily worked timber known as Ribbon Gum 

 (K twain i)1 ii s Cunnii). the timber of which is worthless. It resembles the other 

 in colour, and has been very often substituted for " Mountain Gum." The true 

 Mountain Gum, E. </on local u.r. is well suited for bridge-building, but requires 

 care to prevent the worthless timber referred to above from being substituted 

 in its place. For bridge work the trees should be felled when the sap is down; 

 it will last many years longer. 



In the Wingello district, E. cjoniocalyx is known as Yellow Gum, and 

 following; are some notes that Mr. Crawford of that place obligingly gave 

 me : 



Six feet in diameter, up to 80 or 90 feet of barrel. Found also at Bunda- 

 noon ; usually occurs in gullies bottoms or on sides. Fond of good soil. The 

 timber has been passed for Tallow-wood and Box, but it is more like Tallow- 

 wood. It is very hard when dry. 



Yellow Gum as posts has lasted over thirty years. Mr. Crawford has 

 re-used some which have been in the ground for this long period. It dries 

 rather hard, and nails do not readily drive in it; hence it is not so well 

 liked for building as the local White Mahogany (E. MueUeriana) and 

 White Stringy bark (E. eugenioides). 



WEST. 



Head of Valley of Waters, Wentworth Falls (W. Forsyth) ; Mount 

 Victoria, also Kanimbla Valley, Lowther, and Hassan's Walls (J. 

 II. Maiden); Mount Wilson (Jesse Gregson). The fruits smaller 

 than, usual, with almost spreading orifice; the valves well exserted; 

 long footstalk. Jenolan Caves (J. H. Maiden and W. F. Blakely). 



A common tree in many of the valleys of the Blue Mountains, at least from 

 T.awson to Bowent'els; but never continues right up on to the tableland 

 proper. Besides the valleys, it is often found on the taluses of the hills. 

 ,<R. H. Cambage and J.H.M.). 



EXPLANATION OF PLATE 19. 



A. Juvenile leaves. 



B. Flowering twig. 



c. Fruits, showing angularity (from Blue Mountains). 



Eucalyptus Sieberiana, E.v.M. 



YOWUT OR MOUNTAIN ASH. 



Botanical Name. Sieberiana, in honor of Franz Wilhelm Sieber, of 

 Prague, Bohemia, a botanical collector, who spent seven months in New 

 South Wales in 1823, making collections, which were sold in numbered sets. 



Vernacular Names. " Mountain Ash " is its usual name. It attains its 



