45 
x ee 
tetort'as long as there was a smell of N,O, to be observed. When 
this had disappeared the contents of the still were further heated until 
4 brownish-yellow clear liquid was formed, out of which the picric acid 
crystallised on cooling. 
or medicinal use the grass-tree resin is not without value. It 
stops diarrhea if given as a powder in doses o ne OF sINGrS, 
but there are so many remedies better in this respect thatit is scarcely 
but as it is’ too easily dissolved in alkaline liquids it is altogether 
Useless as a varnish. It contains more impurities than the resins of 
the two described species, It contains a high amount of benzoic acid 
makes a b : : 
Sreenis Boiling water dissolves some of the resin with a 
‘Yellow colouration. 
H. arborea, Z. hastilis 
Resin soluble in alcohol =... Ss. 93° b: 82°0 
ic acid Soe me ere, 56 9-4 
Tmpurities 05 80 
* 99°6 99°4 
Ce SOFT RESINS. a 
«Prom anthus imberbiflora, var. Macartneyi, Bail., Bot. Bull. x. 
1 down the stem of this yotipa tis East Australian tree, when it is cut 
ooking [neonate @ resin exudes in quantities of many gallons, 
transparent yarnish. It does not get 
a r 
