The information in the State Department memorandum generally tracked the information Mr. Novak laid out for Mr. Rove in their conversation, according to the account of their exchange provided by the person briefed on what Mr. Rove has told investigators.

But it appears to differ in at least one way, raising questions about whether it was the original source of the material that ultimately made its way to Mr. Novak. In his July 14, 2003, column, Mr. Novak referred to Ms. Wilson as Valerie Plame. The State Department memorandum referred to her as Valerie Wilson, according to the government official who reread it on Friday.