| PLAINTIVE | Maybe weeping tree, say, one's put outside institute (9) |
| PLAICE | Swimmer one put outside (6) |
| SHINBONE | Part of leg found in rubbish bin - quietly one put outside (8) |
| ANTIVIRAL | E.g. hydroxychloroquine variant developed outside institute by head of lab (9) |
| EUPHRATES | Cargo to slip behind a tree, say, or flower (9) |
| RECLIMBED | Went back up tree, say, where children play with branches (9) |
| BUTTERNUT | Tree, say, hugged by British eccentric (9) |
| BEACHWEAR | Trunks suffering erosion on a tree, say (9) |
| EYESTRAIN | Result of reading too much in tree, say doctors (9) |
| SAPODILLA | Tree, say, pruned poorly after seedcase was shelled (9) |
| EXCHEQUER | Old person auditing, say, one's funds |
| PICNICKER | Person taking photograph, you might say - one's spread out? |
| NAIF | Ingenuous type of upset supporter outside institute (4) |
| GOPUBLIC | Republicans mobilised club outside institute to release information (2,6) |
| WEIRD | Eccentric pulled up outside institute (5) |
| WILLOW | "Weeping" tree depicted in a blue-and-white transfer pattern (6) |
| WIELD | Hold and use Bond outside institute (5) |
| ANTIGUA | A gaunt marshal outside institute - the one from the Leeward Islands (7) |
| SOLIDARITY | Unity's lost diary in tatters outside institute (10) |
| DOIN | Kill Mafia boss outside institute (2,2) |