15th June, 1839.--We had a truly German fête champêtre, and I have learnt more of German life and manners in one day than I could otherwise have obtained in a long time. I was at the place of rendezvous at the time appointed, and met there the two professors and about thirty students, with whom we set out on our excursion, and our number was soon doubled by the accessions we received. Our course lay along the banks of the Isar (what lad that has been at school has not heard of “Isar rolling rapidly”), along which we ascended for about six miles, botanizing on the way. It was about twelve o’clock when we reached the place where the Linnæan celebrations are always held. Here we found Madame Martius and the girls, who had arrived in a carriage, and the lady and children of another professor. Three or four other professors also joined the party: Professor Tirsch, the celebrated Grecian scholar; Professor Neumann, of Oriental languages; a celebrated physician, and some others. We filled an immense rustic dinner-table spread in an open pavilion, ornamented in a simple manner with branches and flowers, and a portrait of Linnæus. Professor Martius then read his address, which I judged from its effects upon the audience to be humorous; then followed the dinner, plain but good, consisting of three or four courses, beer supplied ad libitum, and this was no trifle, as you would understand if you could see how all these Bavarians swill their beer. It is light, extremely light as compared with English. But you may judge how cheaply the Germans contrive to live, and how cheaply and simply they get up an affair which in England or at home would cost a round sum, when I inform you that the whole charge for dinner was twenty-four kreutzers or one Austrian zwanziger (sixteen cents!). This I suppose did not include the wine, of which there was a small supply, provided, perhaps, by Martius himself.