427 ON THE BOTANY OF RYL8T0NE AND THE GOULBURN RIVER DISTRICTS. PART I. Bv R. T. Baker, F.L.S., Assistant Curator, Techxological Museum, Sydney. The area of the colony treated of in this paper comprises the eastern divisions of the Counties of Phillip and Roxburgh, — a portion of New South Wales, which I believe has not previously been explored botanically. The northern boundary of this area is the Goulburn River, which rises on the eastern slope of the Dividing Range, a few miles south-west of the town of Ulan, and flows easterly in a tortuous course, eventually joining the Hunter River a little south of Denman. It runs mostly through precipitous and moun-tainous sandstone ridges, and consequently is subject to inundations, — flood-marks being found at a considerable height above its ordinary level. The country between the river and the Dividing Range consists principally of mountain ranges, with occasional patches of good soil, derived from the disintegration of basalt from the volcanic outcro^is, approximating in area about 1000 sq. miles. It is sparsely populated, there being only about half a dozen small Public Schools scattered throughout this large area. Settlements are therefore few and far between, and conse-quently much of the indigenous flora remains, so that it is a splendid country for botanising. The eastern boundary is formed by Widdin Brook, a stream which rises in Corricuddy Mountain and flows north into the Goul-burn River, and the main Dividing Range as far south as Capertee. The western boundary is the Barrigan Ranges and a line drawn from these south throuijh the town of Cudo-esono: to Ilford.
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