212 



ON SOME N.S.W. TAN-SUBSTANCES. 

 QUALITATIVE TESTS, (Dilute Extract)— continued. 





11 



12 



13 



Species. 



Lead Nitrate. 



Manganese Acetate. 



Chrome Alum. 



30. EljEocarptjs 



Dirty yellow 



No change ; whitish- 



No change. 



grandis, F.v.M. 



precipitate. 



brown precipitate on 





(Bark.) 





standing. 





31. Rhus 



Lisrht reddish- 



No change ; ligh t 



Turbidity. 



rhodantheina, F.v.M. 



brown ppt. 



purplish-grey ppt. 





(Bark.) 





on standing. 





32. Rhus 



Light yellow 



No change ; turbidity 



No change. 



rhodanthema, F.v.M. 



precipitate. 



on standing. 





(Leaves.) 









33. Acacia 



Reddish-brown 



No change. 



Ditto. 



komalophylla, A. Gunn. 



precipitate. 







(Bark.) 









34. Acacia 



Ditto ; but in 



Ditto. 



Ditto. 



Oriwaldi, F.v.M. 



far less 







(Bark.) 



quantity. 







37. Eucalyptus 



Dark salmon 



Ditto. 



Ditto. 



stellulata, Sieb. 



precipitate. 







(Kino.) 









38. Eucalyptus 



Purplish-grey 



Ditto. 



Ditto. 



amygdalina, Labill. var. 



precipitate. 







(Kino.) 









39. Eucalyptus 



Dark salmon 



Ditto. 



Ditto. 



piperita, Smith, var. 



precipitate. 







(Kino.) 









40. Eucalyptus 



Reddish-brown 



Turbidity on standing ; 



Slight reddish-brown 



siderophloia, Benth. 



precipitate. 



light brown ppt with 



precipitate. 



(Bark.) 





a purplish tint. 





41. Eucalyptus 



Light reddish- 



No change ; turbidity 



Very slight ppt. of 



viminalis, Labill., var. 



brown ppt. 



on standing. 



same colour. 



(Bark.) 









42. Eucalyptus 



Ditto. 



No change; slight 



No change. 



Stuartians, F.v.M. 





brownish precipitate 





(Bark.) 





on standing. 





43. Eucalyptus 



No change; 



No change; slight 



Ditto. 



corymhosa, Smith 



slight flocc: ppt 



whitish precipitate 





(Bark.) 



on standing. 



on standing. 





44. Eucalyptus 



Light reddish- 



Same asJE. siderophloia. 



Turbidity ; on stand- 



maculata, Hook. 



brown ppt. 





ing slight reddish- 



(Bark.) 







brown ppt. 



45. Eucalyptus 



Dirty yellow 



No change ; yellowish 



No change. 



maculata, Hook. 



precipitate. 



precipitate on stand- 





(Kino.; 





ing. 





46. Eremophila 



Whitish-brown 



No change. 



Ditto. 



longifolia. F.v.M. 



precipitate. 







(Bark.) 









47. Eremophila 



Light olive- 



No change. 



No change. 



longifolia, F.v.M. 



brown ppt. 







(Leaves.) 









48. Polygonum 



Ditto. 



Ditto. 



Ditto. 



plebejum, R. Br. 









(Whole plant except root.) 









49. Grevillea 



Orange-brown 



Ditto. 



Ditto. 



striata, B. Br. 



precipitate. 







(Bark.) 









50 Hakea 



Flesh-coloured 



Ditto. 



Ditto. 



leucoptera, R. Br. 

 (Bark.) 

 51. Banksia 



precipitate. 







Pale reddish- 



Ditto ; light reddish- 



Very slight light red- 



integrifolia, Linn. f. 



brown ppt. 



brown precipitate 



dish-brown ppt. 



(Bark.) 





on standing. 





52. Banksia 



Ditto ; but in 



Ditto. 



Ditto. 



serrata, Linn. f. 



much greater 







(Bark.) 



quantity. 







53. Casuarina 



Orange-brown 



Ditto. 



Ditto. 



glauca, Sieb. 



precipitate. 







(Bark.) 









54. Excocarpus 



Ditto. 



Turbidity. 



Ditto. 



cupressiformis, Labill. 









(Bark.) 









