Banker: Type Studies in Hydnaceae 
205 
nellnm although the color is quite unusual and even the spores 
appear to be yellowish, but we have not seen a spore print. The 
spores are distinctly tuberculate and the substance of the plant is 
fibrous and tough. 
No type specimen of H. sulphureum Kalch. has been seen, but 
a specimen so labelled from Kalchbrenner, collected in Hungary, 
was found at Upsala where it had been referred to H. geogenium 
by Fries and appeared to be identical with the type of the latter 
species in every respect. 
De Pauw University, 
Green CASTLE, Ind. 
