1: An oral examination is not advised if one has this sort of foresight (4,5)
5: Retro gents in exotic parks (5)
7: City official spread rumor, initially (5)
8: Cast Miss Stone for dewy quality (9)
11: Fixes price and French proof of sale (7)
12: Fodder derived from Swiss lake (7)
13: Criticise a computer analysis of famous passage (6,5)
15: Concealed hot part of psyche (3)
16: Three kernels of copper-yellow grain (3)
17: Invention to trick four into a stupor (11)
20: One eating little head of lettuce held by cook in hot water (7)
21: Sour substance made from grape plant and fish (7)
22: Sailor Paul in oilcloth (9)
23: Poplar is like a writer (5)
25: At one time, gobbling up two tablespoons (5)
26: Always heading off without getting paid (9)