CALENDAR, 1819. 393 



treckschuyts and barges. The Marsh Groundsel was the 

 only flower I saw. 



7th. Weather again rainy. At Antwerp I noticed abun- 

 dance of Agaricus campestris. I likewise saw the Boletus 

 eftulis vended in the markets as an article of food. I made 

 few observations on Natural History here, being taken up 

 with the numerous antiquities and pictures with which this 

 town abounds; but one thing I noticed (which shows the 

 greater dampness of English air even compared with Dutch 

 marshes), was, that the bells in the tower of the cathedral, 

 and even those of the carillon, which are exposed in the 

 open part of the spire, were free from rust, though bells of 

 much more recent date in England become quite green with 

 it. 



At the Tete de la Flandre, on the West side the Scheldt, 

 they keep the Yellow Wagtail Motacilla flava domesticated 

 in the rooms to catch the flies, which are very troublesome. 



In the marshes East of Antwerp, and in Holland, grows 

 the >Senecio paludosus.* 



8th. About Lookeren the country is marshy and flat, and 

 abounds with windmills ; but they are not so plentiful here 

 as at Lille, where several hundred mills are employed to drain 

 the suburbs of that city. 



Near Courtray, where we slept, Papaver Rhacas begins 

 again to be common ; the road about Ghent, and all the way 

 to Courtray, is lined with trees, and the country much enclosed. 

 About Ghent I also noticed Oaks and a sandy soil. 



9th. At Ypres : The Martins H. urlicae very numerous, 

 and evidently congregating to depart. 



* I saw this plant in abundance about Amsterdam and Hacrlem, in 

 August, 1822. 



