Toughie No 3643 by Silvanus
Hints and tips by ALP
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BD Rating – Toughie difficulty * – Enjoyment ***/****
Largely light, and scrupulous. There’s a spot of Scots vocab (6d), botany (7d) and geography (15a) but Silvanus is, of course, typically fair. The grid did prompt me to look for a Nina, but I certainly couldn’t spot one! Over to you.