PLANT OF A NEW GENUS. While awaiting the slow progress of the carts through the mud I found a most curious new genus allied to Correa, with the habit of C. speciosa, and with long tubular four-petaled green flowers. It had been previously observed by Mr. Cunningham, who called it Sida correoides; it was however not a Sida, nor even a Malvaceous plant, but a new form of Australasian Rutaceae, differing from Correa in having the petals each rolled round a pair of stamens in its quadripartite conical calyx, and in there being constantly two seeds in each cell of the fruit.* (*Footnote. Didimeria aemula, Lindley manuscripts; undique pilis stellatis lutescentibus furfuracea. Rami stricti. Folia subrotunda cordata obtusa opposita brevi petiolata, pellucido-punctata. Pedunculi axillares, filiformes, uniflori, supra medium bracteolis 2 subulatis acuti. Calyx conicus, membranaceus, 4-partitus: laciniis acuminatis. Petala 4, longissima, distincta, linearia, convoluta circa staminum paria, extus tomentosa intus glabra. Stamina 8, hypogyna; filamentis liberis, lineari-lanceolatis, membranaceis, alternis brevioribus; antheris sagittatis inappendiculatis. Stylus filiformis glaber. Discus 0. Capsula 4-cocca, villosissima, coccis dispermis, endocarpio solubili; seminibus uno supra alterum positis.) MORE LAKES OF BRACKISH WATER. July 30. By pursuing a course towards the base of the friendly mountains I hoped that we should at length intercept some stream, channel, or valley where we might find a drier soil and so escape, if possible, from the region of lakes. We could but follow such a course however only as far as the ground permitted and, after travelling over the hardest that we could this day find for a mile and a half, I discovered a spacious lake on the left, bounded on the east by some fine-looking green hills. These separated it from a plain where I found the ground firm, and also from several smaller lakes to the right of my intended route. I accordingly proceeded along the ground between them, and I found that it bore the wheels much better than any we had recently crossed. The lakes were however still precisely similar in character to those of which we had already seen so many. The water in them was rather too brackish to be fit for use, and the ridges were all still on the eastern shores. From the highest of these ridges the pinnacled summits of the Victoria range presented an outline of the grandest character. The noble coronet of rocks was indeed a cheering object to us after having been so long half immersed in mud. We had passed between the lakes and were proceeding as lightly as we could across the plain when down went the wheel of a cart, sinking to the axle, and the usual noise of flogging (cruelty which I had repeatedly forbidden) and a consequent delay of several hours followed. ESCAPE AT LAST FROM THE MUD.