According to Sullivant's Icones and the label on specimen 33 in Sullivant and Lesquereux's Musci Boreali-Americani ed. 2, Acaulon schimperianum was also collected at Athens, Illinois, by E. Hall. We

Sphagnum dusenii is reported for the first time from Britain and a differential diagnosis is given for the related species S. jensenii and S. balticum. The distribution of S. balti- cum in Britain is presented along with an account of a form of this species with an abundance of free pores.