GUMS, RESINS, AND OTHER VEGETABLE EXUDATIONS. 175 



{ralactia varians, Bail. 



Lauterer notes a resin in this plant in Proc. R. S. Qd., xii., 93. 



Kennedya rubicunda, Vent. 



Mr. W. Bauerlen told me that he had seen traces of gum on a 

 vine of K. rubicunda of unusually large size, fully an inch in 

 diameter, on the Richmond River. 



Lonchocarpus Blackii, Benth. 



Lauterer (33) gives an account of this astringent gum. 

 Mezoneuron Scortechinii, F.v.M., "The Barrister." 



This climber produces a tragacanthoid gum. See Maiden (45). 



Mezoneuron brachycarpum, F.v.M. 



I have seen a small quantity of a similar gum on this species. 

 Milletia megasperma, F.v.M., "Native Wistaria." 



An astringent gum exudes from this climber. See Maiden (34). 

 U A climbing plant, the stem of which is sometimes a foot in 

 diameter, and which, when fresh cut, exudes a rich red resinous 

 juice, which is very astringent. Not used for any purpose." 

 (Charles Moore in KS.W. Catal. Paris Exh. 1867). 



Lauterer (33) gives an account of this astringent gum. 



Saxifrages. 

 Ceratopetalum apetalum, D. Don., " Coach wood." 

 Ceratopetalum gummiferum, S.M., " Christmas bush or tree." 



For an account of the astringent gums of these species see 

 Maiden (39). 



Schizomeria ovata, Don. 



This tree is closely allied to C. apetalum, and the exudation 

 appears to be similar. See Maiden and Smith (63a.) 



Uucryphia Billardieri, Spach., "Leather wood." 



In 1892 Mr. Alex. Morton wrote me as follows : — "I send you 

 a box containing a few twigs of the 'Leather tree ' or ' Pink wood.' 

 You will notice a good deal of gum on several parts. The men 

 in the country districts say the gum has great healing qualities 

 in cases of sore hands. I should be glad if you would let me 



