84 THE AUSTRALIAN NATURALIST. 
STORAGE TRACHEIDES OF STEM OF VILLARSTIA. 
By Wriysome Hatt. 
The specimen described was obtained at Maroubra in No- 
yember, 1921, on the occasion of an ecological excursion of the 
Girl’s High School. 
The surface of the leaf is glazed and this serves to refleet 
excess of light. On cutting a section of the stem, the outer 
edge was seen to be thickened with Sclerenchymatous cells, the 
vascular bundles being also similarly surrounded, so that the 
lumen was very small, these are stone cells or idioblasts. The 
most interesting feature was the storage tracheids of the pith 
and cortex. These were ordinary parenchymatous cells which 
had become curiously branehed and thickened, with numerous 
pits over the general surface of the larger branches. The 
branches are in the form of either rounded projections, or long 
and spine-like. They numbered from 5 to 9 cells each. Miss 
Marjorie Collins, B.Se., has recorded pitted storage tracheids in 
Scaevola crassifolia (Proc. Linn. Soc. N.S. Wales, 1918), these 
however are only slghtly irregular with an occasional short 
rounded projection. 
On teasing out some of the tracheides of Villarsia they 
loosened easily from the soft adjacent cells of the pith and 
cortex. 
NOTES ON ANTHERAEA HUCALYPTI. 
By May C. Brown. 
In June, 1920, I secured in Queensland a number of cocoons 
Antheraea eucalypti which later in the year I took to New Zea- 
land. Most of these emerged during the months of November 
and December of the same year. On April 20th, 1922 (almost 
two years after I had collected them) I was surprised to hear 
one working on the shell. It worked intermittently, and even- 
tually emerged in quite as lively a manner as usual. Though 
the wings did not spread, it had all the usual lovely colouration 
and “eyes,” and it laid numbers of eggs, and passed through 
almost the same existence zs the moths which had emerged in 
1920. I should be very glad to know if any member has had 
a similar experience with these moths. 
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