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The existence of glueballs, bound states of gluons, is one of the basicpredictions of QCD; the lightest state is expected to be a scalar. Theexperimental situation, however, is still ambiguous. The existence of f_0(1370)would point to a supernumerous state within the nonet classification of scalarsand would therefore provide a hint towards a glueball. In this talk wesummarize some arguments in favour and against the existence of f_0(1370) anddiscuss schemes with and without this state included.

Spectroscopy with glueballs and the role of f_0(1370)