45 
the South West Pacific. It attracted favourable atten- 
tion overseas and in 1923 he was approached by Dr. C. 
S. Sargent, Director of the Arnold Arboretum, Boston, 
U.S.A., to collect woody plants, especially conifers, in 
New Caledonia. The identifications were carried out by 
Dr. A. Guillaumiu at the Museum d’llistoire Naturelle 
at Paris where facilities were more suitable for the work, 
and the results were published in the Journal of the 
Arnold Arboretum in 192b. The New Caledonian col- 
lections were so valuable that Dr. Sargent asked Mr. 
White to return to New Guinea to make further exten- 
sive collections. This was, however, not possible. His 
duties as Government, Botanist had to have first con- 
sideration. The staff in those days, though enthusiastic, 
was small and there were problems of Queensland botany 
for his urgent attention. lie could actually spare only 
his official leave periods for such work — and his official 
leave was always spent on botanical work in any case. 
Oji his suggestion, therefore, the Arnold Arboretum 
appointed Mr. L. J. Brass, a former member of the 
Queensland Herbarium staff, as its collector. Mr. Brass 
spent from October, 1925, to June, 1926, in Papua, aud 
his very extensive and important collections were deter- 
mined by Mr. White in Brisbane. The results were pub- 
lished in the Journal of the Arnold Arboretum in 
October, 1929. 
Meanwhile papers on the Queensland flora flow’ed 
regularly from Ins pen. They appeared for the most 
part in local journals. The main series was Contributions 
to the Flora of Queensland, published in the Proceedings 
of the Royal Society of Queensland but there were 
papers in the Queensland Agricultural Journal with a 
more economic bias, and articles of a popular nature in 
vaiious journals. 
In January, 1939, he went to the Royal Botanic 
Gardens, Kew. as a liaison officer for the various Aus- 
tralian herbaria. He was able to do a great deal of 
useful work there by the examination of type material 
of Australian plants and identification of doubtful 
specimens, but the outbreak of war in September of that 
year interrupted the programme and he left for Brisbane 
in November of the same year. In 1944 he spent six- 
weeks in the Territory of New Guinea as an Instructor 
