| STRYCHNINE | Poisonous alkaloid obtained from the plant nux vomica (10) |
| ATROPINE | Poisonous alkaloid obtained from solanaceous plants such as deadly nightshade, used in ophthalmology to dilate the pupil of the eye (8) |
| NICOTINE | Poisonous alkaloid obtained from tobacco leaves (8) |
| SWEETBRIER | Mild cheese right from the plant (10) |
| POISOINUT | Common name for nux vomica (6,3) |
| WOAD | Dye obtained from the plant Isatis tinctoria that was used by the ancient Britons (4) |
| INDIGO | Blue dye originally obtained from the plant anil (6) |
| CODEINE | Name a white, crystalline, bitter alkaloid, obtained from opium (7) |
| QUININE | Bitter crystalline alkaloid obtained from cinchona bark, used as a tonic and as an antimalarial drug (7) |
| ALOE | Meal one took the men out for, from the plant (4) |
| GODETIA | Leave on the date I arranged, from the plant (7) |
| TEAZLE | Said drinks, the Parisian concluded, came from the plant (6) |
| ATROPIN | The poisonous alkaloid found in deadly nightshade (7) |
| CATMINT | Whip a huge amount from the plant |
| REDPEPPER | Communist machine gun fire? Came from the plant (3,6) |
| SHALLOT | Everyone rushed out from the plant (7) |
| SPEEDWELL | Drive fast but safely from the plant (9) |
| PETAL | Favourite man from the plant (5) |
| SESAME | Check out Sam from the plant (6) |
| TEAROSE | Came about supporting husband dismissed from the plant |