Ernst E. Both

A new arenicolous Boletus from the Gulf Coast of northern Florida

Boletus abruptibulbus sp. nov. is described as new to science. It inhabits old sand dunes in mixed oak-pine stands across the Gulf Coast of northern Florida.

A new Boletus from North America

Boletus roodyi is described as new to science. It appears to be mycorrhizal with Quercus and is widely distributed from central West Virginia to Arkansas and eastern Texas.

Boletus roseolateritius, a new bolete from the southern United States of America

Boletus roseolateritius is described as a new species from Mississippi, USA and is compared with similar taxa.

CHALCIPORUS PIPERATOIDES IN NORTH AMERICA

Boletus piperatoides, until now only known from Michigan, is shown to have a transcontinental distribution in North America and is not uncommon in northern California. This taxon is transferred to Chalciporus and compared to C. piperatus with which it is most similar. The description of C. piperatoides adds new information to the circumscription of this taxon. A technique for identifying collections of C. piperatoides from herbarium material is also described.