Scholarly journals look serious and sober. May contain graphs, tables and charts but are short on glossy pictures. Sources are always cited in form of footnotes or bibliography. Are written by a scholar or researcher in the field. Uses the language of the discipline - assumes the reader knows enough to understand the terminology.
Main purpose is to communicate results of original research.
Scholarly journals may or may not be peer-reviewed. Journals which are peer reviewed hold authors to highest standards of research methods and analysis. When author submits a paper, editor sends it to experts in the field, usually 2-4. These experts evaluate the information, and advise the editor on whether or not it should be published. These people are usually knowledgeable in the general subject area, but not necessarily experts in the area of research.