1: Broke out of cell -- found in prickly sedges (5)
2: File abbreviated manuscript before trip promoting graphic series (9)
3: It's truly deep at sea, so they say (9)
4: Sharp part of knife upset bald eagle at first (5)
5: Saturday: Wild nature walk (7)
6: In Germany, the monster returned from the east. (5)
7: Covering for the crown, he put instructions on an envelope (9)
9: Messages transmitted about a mile (1-4)
12: Gambled on wicked stunt-man (9)
14: California business providing front for fraudulent racket (9)
15: Small green vegetable found in automat, illogically (9)
17: Old pies thrown in sack (7)
19: Rue loss of rare bird (5)
21: Duck down as filler for your caps... (5)
22: The short one may be drawn (5)
23: Highways or turning spots (5)