EUCALYPTUS TREES. 399 
It is likely to prove hardy here, and deserves, with a 
few other species from the South Sea Islands yielding 
scented wood, test-culture in the warmest parts of our 
colony. 
Saponaria officinalis, L.—The Soapwort or Fuller’s 
Herb. Europe, North and Middle Asia. <A peren- 
nial herb of some technologic interest, as the root can 
be employed with advantage in some final processes 
of washing silk and wool, to which it imparts a pecu- 
liar gloss and dazzling whiteness, without injuring, in 
the least, the most sensitive colors. Experiments, 
instituted in the laboratory of the Botanic Garden of 
Melbourne, render it highly probable that Saponin, 
which produces the froth from the Soapwort, is also 
present in the bark of Acacia (Albizzia) lophantha, 
W. At all events, a substance, closely resembling 
Saponin, was unexpectedly detected (in the course of 
other investigations intrusted to Mr. Rummel) in the 
bark of this Acacia, and this substance occurred in so 
large a proportion as to constitute 10 per cent. of the 
dry bark. 
Satureja hortensis, L.—The Summer Savory. Coun- 
tries around the Mediterranean Sea. Anannual scent 
herb, from which an essential, aromatic oil can be dis- 
tilled. The culture of this and allied plants is easy in 
the extreme. 
Satureja montana, L.— The Winter Savory. On 
arid, hilly places at and near the Mediterranean Sea, 
A perennial, somewhat shrubby herb, frequently used 
as a culinary condiment along with or in place of the 
foregoing species, although it is scarcely equal to it in 
fragrance. 
Satureja Thymbra, L.— Countries at’ or nba the 
