Beelzebub 1,233

I made good smooth progress unaided this week, forced (forced, I tell you) as I was to take shelter from biblical rains in a nearby hostelry without the usual tools at hand.

Just 11ac, where I should have spotted which river was needed, 17dn, where I should have made more from a very fair anagram, and 18dn held me up. Still, back home with a copy of Chambers, everything fell into place.

*=anag, []=dropped, <=reversed, cd=cryptic definition, dd=double definition.

Across
1 STEGOCARPOUS – (ESCARGOT SOUP)*.
10 TIKA – KIT< + A.
11 PAVONINE – AVON in PINE.
12 EARLIER – EAR + LIER.
14 PANSPERMIC – (S + PERM) in PANIC.
15 LASSI – homophone of “lassie”.
16 A DROITE – RADIO* + T[ransmit] + E[ncouragement].
19 DIPLON – DIP + LON[e].
21 NIDING – DIN in GIN<.
23 GANESHA – GANE + HAS*.
25 PEYSE – YEP< + SE[t].
26 AMELIORATE – AMELI[a] + ORATE. I hadn’t heard of amelia, but it’s a “congenital condition in which one or more limbs are completely absent”.
28 ARIETTAA + RI[v]ET + TA.
29 ERASTIAN – ERAS + (A in TIN).
30 SEER – SE[w]ER.
31 ALL SAINTS’ DAY – (ISN’T SAD)* in ALLAY.
Down
1 STERLING AREA – (A GENERAL STIR)*.
2 TIA MARIA – IT< + ((MAR + I) in AA).
3 GALASHIELS – GALA + (L in SHIES).
4 OPINION – [flaming]O + PINION.
5 CAESAR – SEA< in CAR[e].
6 ROWER – [g]ROWER.
7 OIL MILL – [t]OIL + M + ILL.
8 UNCI – ‘UN + C + [f]I[sh].
9 SEXCENTENARY – ENTRANCE* in SEXY.
13 PROPHETESS – THESE* in PROPS.
17 TOUSY TEA – (YOU TASTE)*. Scots term for “high tea”.
18 ADNEXAL – A + (LAX END)<.
20 IMPAINT – (M + PAIN) in IT.
22 GARRANARR in NAG<.
24 SITTA – SIT + TA.
27 MARL – MARL[in].