IX 



ACKNOWLEDGMENTS. 



\ work of this character, the preparation of which has now extended over 

 many years, and covers such .1 wide range, has necessarily caused u^ to solicit 

 the help ol others residing in the various Australian I ■<■ ind in > 

 instance tln^ assistance has been readilj and generously given. Due acknow 

 ledgmenl was made in the first edition, whilst in this, the second edition, we 

 gratefully recognise the help received in various ways from the following: — 



To the members of the Scientific Staff: Mr. M. B. Welch, B.Si 

 (Sydney), Economic Botanist, for valuable help l>\ assisting in tru reading of 

 [>!uiin. ,ui.l in ntliri wavs, hut more particularly do we wish to ai knowledge 

 the sectioning of the leaves for their chromatii illustrations, reproduced in 



t lii?-. work. Mr. A. R. Penfold, F.C.S., Ecoi i< Chemist, for chemical assist 



.hi., in the later part ..I these investigations, particularly in connection with 

 piperitol, terpineol, the aromatii aldehydes and cineol estimation. Mr. T. C. 

 Roughley, Economic Zoologist, for the Eudesmol and Australol photographs, and 

 Mr. C. F. Laseron, for collecting the material. 



We are also indebted to Mr. G. Beyer, Chief Clerk, for the indexing; and 

 to Messrs. F. R. Rae and 11. G. Goy for clerical help. 



Also to Messrs. D. Cannon, F. Morrison, A. J. Holloway, and W. II. Austin. 



NEW SOCHI WALES: 



J. 11. Maiden, F.R.S., Government Botanist: Dr. Cuthhert Hall, I'arra- 

 matta; (iillard Gordon Ltd., Sydney; A. J. Bedwell, Sydney; 

 R. H. Cambage, F.L.S., Sydney; D. E. Chalker, Hill Top; 

 W. T. Farrell, Sydney; C. Gough, Youri; E. McGrath, Youri; 

 R. H. McNeice, Sydney; W. j. Quigg, Wingello; and Mr. Tivey, 



K\ hi ill 



VICTORIA: 



Professor A. J. Ewart, D.Sc Government Botanist; J. Cronin, Curator, 

 Botanic Gardens, Melbourne; P. R. H. St. John. Botanic Gardens, 

 Melbourne; Messrs. Cumin,!; Smith & Co., Melbourne; W. Russell 

 Grimwade, B.Sc, Melbourne; I). Clark, Officer; and C. W. 

 D' Alton, The < rrampian 

 SOUTH AUSTRALIA: 



Walter Gill, F.L.S., Conservator of Forests; Officers of the Education 

 Department ; and E. Burgess, Kangaroo Island 

 WES1 AUSTRALIA: 



C. E. Lane-Poole, Conservator of Forests; and W, B. Hooper of the 

 Agricultural Department 

 QUEENSLAND 



The late P. McMal Director of Forests; F. D. Ferguson, Gladstone; 



the late T. Ingham, Brisbane; J. L. Adams, Cooktown; and II. S. 

 Owbridge, Boyne River. 

 I \^\1 \NI.\ : 



L. G, frby, Conserval 1 Forests; L. Rodway, Government Botanist; 



and A. 11. HiggS. 



\\ 1 also wish to express our thankfulness to the Government Printei 

 Mi W. \ Gullick, and the members of his stall for valuable help and expert 

 ...hi., during tin passage of the work through the press. 



