594 AUSTRALIAN NATIVE PLANTS. 
somewhat, but no slab of timber could have been more ill cut. It 
dresses excellently, both on the face and end-grain. It is perhaps 
a little liable to splinter under the saw. A slab in the Techno- 
logical Museum, which has been seasoned over twenty-five years 
(having been exhibited at the London International Exhibition of 
1862), has a weight which corresponds to 53lb. 1oz. per cubic. 
foot. Diameter, 10 to 1sin.; height, 30 to goft. — 
New South Wales and Queensland. 
547. Ratonia tenax, Bexth., (Syn. Cupania tenax, A. Cunn.); 
N.O., Sapindacez, B.FI.,i., 461. Cupania tenax in Muell. 
Cens., p. 24. 
““ A moderate-sized tree.”’ Wood light in colour, dark towards 
the centre, very tough, and close-grained. 
New South Wales and Queensland. 
548. Rhizophora mucronata, Zam., (Syn. R. Mangle, Roxb. ; 
R. Candelaria, Wight et Arn.); N.O., Rhizophoree, B.F1., 
ii., 493. 
“ Mangrove.” 
Wood of a light colour, with a reddish centre, or heart-wood; 
grain close, tough. Its weight is 70.5lb. per cubic foot. (Gamble.) 
The aerial roots, being very elastic, afford good materials for 
bows, of which the Fijians avail themselves. (Seemann.) Height, 
15 to 2sft. 
New South Wales, Queensland and Northern Australia. 
549. Rhodamnia argentea, Benth., (Syn. (7) Myrtus argentea, 
Hill); N.O., Myrtacez, B.F1., iii., 278. 
“White Myrtle.’ ‘“ Muggle-muggle” of the aboriginals of Northern 
New South Wales. 
Timber hard, close-grained, and durable, but seldom used. 
Diameter, 24 to 36in.; height, 80 to 1ooft. 
New South Wales and Queensland. 
550. Rhodamnia sessiliflora, Benth., N.O., Myrtacez, B.FL., iii., 
277: 
Wood of a dark colour, close-grained, and tough. 
Queensland. 
