Everything new in relation to grape culture has an especial interest to Americans, and hence we called attention a couple of years ago, to the discovery of some herbaceous species with tuberous roots, which grew up like hop vines, perfected their crop, and then died to the ground, and prepared to start again in the same way next season. They are natives of Cochin-China, a part of the world that has not been well explored, and from which we have now continually new things. Whether our suggestion that some one try them in our country has been followed or not, we have no information. The next best thing is to note what the rest of the world is doing in the matter. We give the following from the Gardeners Chronicle, showing some experiments at Hong Kong, in Southern China, which is about on the same line of latitude as Southern Florida: