Quick Crossword #16,299

1

Shady plant with remarkable foliage, much appreciated by slugs (5)

2

Fix (3.2)

3

Beatles song from 1968, written by Paul McCartney (6.7)

4

Retreat (6)

5

Outdated — and pure Austen (anag) (13)

6

Travel to Arica to see wild animals (6)

7

A sneering laugh (3-3)

12

Device that softens the timbre of a wind instrument (4)

14

Twit (informal) (4)

15

Cold and sad (6)

16

Give abundantly (6)

17

Nobody with all the answers? (6)

19

Amount consumed (5)

20

Persists (5)