QUALITATIVE TESTS, (Dilute Extract). 



Species. 



Reaction. 



14. Angophora 

 intermedia, DC. 



(Kino. ) 



15. Eucalyptus 



macrorrhyncha, F.v.M. 



(Kino.) 



16. Eucalyptus 



heemastoma, Smith. 

 (Kino.) 



17. Eucalyptus 

 rostrata, Schlecht. 



(Leaf-galls.) 



18. Eucalyptus 



Gunnii, Hook., var. 

 (Bark from Delegate.) 



19. Eucalyptus 



Gunnii, Hook., var. 

 (Bark from Bombala.) 



20. Acacia 



colletioides, A. Cunn., 

 var. 

 (Bark.) 



21. Acacia 



rigens, A. Cunn. 

 (Bark.) 



22. Acacia 



vestita, Ker. 

 (Bark.) 



23. Acacia 



pendula, A. Cunn., var. 

 glabrata, F.v.M. 

 (Bark.) 



24. Acacia 

 binervata, DC. 



(Bark.) 



Boiled with equal volume of Sulphuric Acid i 



a— in the cold. 



Faintly acid Light yellow ochre 

 ppt, which rises to 

 the top on standing. 



25. 



Acacia 



longifolia, Willd. 

 (Bark.) s 



26. Acacia 



glaucescens, Willd. 

 (Bark.)- 



27. Acacia 



dealbata, Link. 

 (Bark.) 



28. Acacia 



decurrens, Willd. 



See p. 33 for reactions 

 not noted here. 



29. Fusanus 



acuminatus, K. Br. 

 (Bark.) 



Distinctly 

 acid 



do. 

 do. 

 do. 

 do. 

 Faintly acid 



do. 



Distinctly 

 acid 



do. 



do. 



do. 



do. 



do. 



do. 



b— ou boilina:. 



Copious dark salmon 

 ppt. 



Ppt of an almost 

 pure salmon colour. 



Light olive-brown 

 ppt. 



Yellowish cloudiness. 

 ppt forms on stand- 

 ing. 



Reddish cloudiness, 

 ppt forms on standing 



Cloudiness, slight 

 flocculent ppt on 

 standing. 



Flocculent brown ppt 



Light reddish-brown 

 ppt. 



Yellowish cloudiness 

 becoming a little 

 more dense on stand- 

 ing. 

 Dirty salmon ppt. 



Ppt of alight yellow 

 ochre colour, dense 

 sage-green gelatinous 

 ppt on standing. 



A small quantity of 

 a light brownish ochre 

 ppt, which becomes 



more copious on 

 standing. 



Same as A. vestita, 



but perhaps a shade 



lighter. 



Turbidity, slight 

 ochrey brown ppi on 

 standing. 



Ppt for most part 

 dissolves, what re- 

 mains is of a pure 

 orange colour. 

 Ppt re-dissolves with 

 the exception of 

 small reddish parti- 

 cles which aggregate 

 and form a scum; the 

 liquid returns to the 

 rich ruby colour of the 

 original extract. 

 Ditto 



Ppt darkens and 

 almost entirely dis- 

 solves. 



Ppt becomes more 

 dense, of an orange- 

 brown colour. 

 Ditto 



Becomes almost 



colourless. 



No change. 



Darkens but does 

 not dissolve ppt. 



No change other than 

 that of darkening 

 slightly. 



Nearly dissolves, and 



what remains turns 



a rich reddish-brown 



colour. 



Partially dissolves, 



and what remains 



becomes denser and 



of a deeper green 



colour. 



No change except a 



little darkening. 



Same as A. vestita. 



Ppt entirely dissolves 

 forming a rich red- 

 dish-brown liquid. 



