### Clue: but we fitted much of 10 in, Dei gratia (8)
### Answer: GUARDIAN 
 ### Explanation: Definition: but we
 Edit note:  Thanks to Querulous ~~Cryptic defn: Reference to we;The Guardian newspaper in which this crossword appears, and which included;fitted many Araucaria puzzles in, thank God.~~ ***Anagram of***( fitted ) [ARAU(much of the answer to 10across) + IN + DG(abbrev. for Dei gratia).
Answer:  The "we" in the defn., the paper that's given this crossword.