Castor oil plant
Ricin is a toxic lectin found in the seeds of the castor oil plant.
Characters poisoned with ricin[]
- Lois Hargreaves - The House of Lurking Death
- Miss Logan - The House of Lurking Death (self inflicted, non fatal)
- Esther Quant - The House of Lurking Death
- Dennis Radclyffe - The House of Lurking Death