Undercover Copse [not COPS but a grove]

Theme:
12 trees hidden in phrases: BALSA, LIME, LEMON, TEAK, FIR, FIG, ELM, ASH, PINE, OAK, PECAN, YEW --- impressive!
Record holder? EXCON
Piece keeper HOLSTER
Athletic supporter? TEE
It’s in an old way TIS [without the comma it’s tough to see right off]
Mysterious character RUNE
Giant sound FUM [as in “Fi, Fie, Fo, Fum…”]

Mark must like the italianate: St.
NICOLA [Peltz];
PAISANO; Mamma
MIA [Farrow?]

“Baloney!”
PSHAW [never understood this interjection {onomatopoeia?} since I never heard anyone say it --- I’ve only read it]
Who knew:ELEANORA Fagan was Billie Holiday?
MIB was a marble [I thought it was the game, not a specific one --- is this correct?]
“Stupid me” DOH [should be DUH]
Twice cinq DIX [I'd go with Dorothea or the fort]
RATING:

Three grins = Loved it; Two grins = Enjoyed it; One grin = A bit bland for my taste; One teardrop = Not much fun