### Clue: Weed brings illness and bereavement (7)
### Answer: BUGLOSS 
 ### Explanation: Definition: Weed
BUG (illness, as in "suffering from a bug") + LOSS – I didn't know the name (which comes from the Greek for "ox-tongue" – *bou..* for ox and *gloss..* for tongue), but I think I have some of it in my garden..