4 DR. б. S. WEST ON THE ALGÆ OF 
Mr. Hardy has furnished me with much information concerning the 
spermatophytie and pteridophytie flora of the district. He records Prunella 
vulgaris, Bulbine bulbosa, Burchardia umbellata, Arthropodium strictum, Cras- 
pedia richea, Leptorhynchus tenuifolius, Drosera Menziesii, D. Whittaker, 
Stackhousia linariifolia, Glycene clandestina, Eryngium vesiculosum, Stylidium 
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.SCALE OF ONE MILE 
The Yan Yean Reservoir, showing the aqueduct from the Toorourong Reservoir, and the 
lower, swampy parts of the two creeks (Rana Creek and Ottelia Creek) in the catch- 
ment basin. The line of plankton collection is also indicated. 
graminiifolium, Aster sp., Helichrysum sp., Ranunculus lappaceus, №. aquatilis, 
Diuris sulphurea, D. maculata, etc., as growing on the grassy slopes draining 
into the reservoir and sheltered by the pine plantation which almost surrounds 
it. On the remoter parts of these slopes a few native Australian shrubs and 
trees occur, such as Evocarpus cupressiformis, Banksia marginata, Casuarina 
