No 2786, Sunday 13 Apr 2014

ACROSS
1   Match pipe that's used in experiment supervised by 14 across, perhaps (4,4) TEST TUBE {TEST}{TUBE}
5   Person, for example, associated with a wine shop (6) BODEGA {BOD}{EG}{A}
10 Reportedly undisciplined playwright (5) WILDE (~wild)
11 Stones in the way derailed lead tram - none on board (4,5) ROAD METAL {R{O}AD METAL*}
12 Female spies receiving praise (7) CLAUDIA {C{LAUD}IA}
13 Making a mistake about a piece of jewellery (7) EARRING {E{A}RRING}
14 Dispose of a semi - crescent stinks! (7,6) SCIENCE MASTER* 
17 On my arm in role, dizzy actress (7,6) MARILYN MONROE*

19 Eccentric in a cult, bonkers (7) LUNATIC*
21 Stylish English stage worker (7) ELEGANT {E}{LEG}{ANT}
23 A gallant French actor and singer (9) CHEVALIER [DD]
24 Set of rowers showing power, though not having won (5) EIGHT wEIGHT
25 Little boy, after short time, becomes difficult (6) TRICKY {T}{RICKY}
26 Mysterious coteries formed (8) ESOTERIC*

DOWN
1   Strike the short Scouser's mate (6) THWACK {THe}{WACK}
2   Unfortunately tripping up tackling square dance (5) SALSA {SAL{S}A<=}
3   Study inside heart of match factory reveals a wearisome routine (9) TREADMILL {maTch}{READ}{MILL}
4   A means of leverage to disqualify 'winning' golf shot (10,4) BARGAINING CHIP {BAR}{GAINING} {CHIP}
6   Shell female got rid of in past (5) ORMER fORMER

7   Bass guitarist released new titles (9) ENTWISTLE* of 'THE WHO'
8   Fitzgerald returned with grisly tale (8) ALLEGORY {ALLE<=}{GORY}
9   A part of geese I'd prepared? (4,2,4,4) PATE DE FOIE GRAS* &lit

14 Injured tiger seen in national park (9) SERENGETI*
15 Union soldiers during a salute (9) AGREEMENT {A}{GREE{MEN}T}
16 One member legally acceptable, it's understood (8) IMPLICIT {1}{MP}{LICIT}
18 Constant interference (6) STATIC [DD]
20 Dog food about right (5) TRACK {T{R}ACK}
22 Fury shown as lid comes off crate (5) ANGER bANGER