Araucaria Crossword

M has the same meaning throughout.

                                     ACROSS
9        M, feature of one such, sort of third umpire  (7) 
10        M to plant a German on island  (7)  
11        Fellow with a pupil, boy with Manx duck?  (5)  
12        M for tea around first of year  (5,4)
13        Student is back with exceedingly
            argentine M  (6,1)
14        M for big biblical beast dropping aitch  (3,4)
16        M for not even as much as nine days?  (9,2,4)
19        M drunk but not deep ..... (7)  
21        ..... as this M, making one err with kind inclination  (7)   
23        M doubtful of finding crane unit  (9)  
26,1     M for old English ghosts?  (5,6)
27        M sees Peggy involved with Rugby Union  (4,3)
28        Mean to say how old one is?  (7)

                                    DOWN
  1        see 26
  2        Auster, the French king, is a crook  (8)
  3        Ground maize, something to eat that’s worth eating?  (6,4)
  4        Cure for measles beginning in piping  (6)
  5        Religious leader’s contribution to the miraculous  (4)
  6        M or pigeon  (4)
  7        Funny fellow at dam with party  (6)
  8        Encrypted by politically correct Henry I?  (2,6)
14,17   Blow to Scotland about the old local rule  (3-3)
15        Clarified report that ’e went out with Lucy?  (10)  
16        Get it wrong: cooked juice was drunk by insect  (8)  
17        see 14  
18        M in love with a cask where he keeps his ageless car?  (3,5)
20        A Catholic male’s maybe black M  (6) 
21        M in East Lothian  (3-3)
22        Make an allusion about point to joint  (6)  
24        Incontinent bellringer?  (4) 
25        Ancient ship, part of Venetian merchantman  (4)