Green Tea by Sheridan Le Fanu
Quick answer: Green Tea by Sheridan Le Fanu, summarised with the ending: Reverend Jennings, the spectral monkey, Dr Hesselius's failed cure, themes and craft analysis.
A gentle, scholarly clergyman confesses his trouble to a specialist: for three years he has been followed by a small black monkey with eyes of dull red, visible to no one else, which sits on his open book while he preaches and has lately begun to speak. Sheridan Le Fanu published Green Tea in 1869 in Charles Dickens's magazine All the Year Round, and made it the opening case of In a Glass Darkly in 1872, presented from the papers of the occult physician Dr Martin Hesselius.
It may be the most frightening story of the whole Victorian period precisely because its horror is so small. No castle, no curse, no crime: a good man, a habit of strong tea taken late over his books, and a companion that will not go away. Every later tale of the persecuting invisible thing, down to the present day, owes this one money.
The story in brief, ending included
Dr Martin Hesselius, a German physician of 'metaphysical medicine', meets the Reverend Mr Jennings at a London dinner and reads him instantly: a courteous, intelligent, wealthy bachelor clergyman whose health mysteriously fails whenever he attempts to officiate at his country parish. Jennings, learning of the doctor's writings, gradually confides his case. Years of night study on the religion of the ancients, sustained by quantities of strong green tea, ended one evening on a late omnibus, where two points of dull red light in the dark corner resolved into a small black monkey that stared at him, and passed through his umbrella when he poked it. It followed him home. It has never really left: sulking sometimes into absence for weeks, always returning more confident, squatting in his path, perching on his Bible as he preaches, glowing like embers in the dark.
The persecution escalates by stages that Jennings recounts with terrible precision. The monkey acquires malice, then agency, then a voice: it interrupts his prayers, sings blasphemies at him, and begins urging him toward harm, whispering that he should destroy himself, once tempting him toward an open mine shaft. Hesselius listens, theorises about an 'interior eye' opened by the abuse of stimulants, and promises a cure, leaving instructions that he is to be summoned at once in any crisis. The summons goes astray: the doctor has moved lodgings to study the case in peace. In the interval the monkey returns in fury, and Jennings, alone with it through a final night, cuts his throat. Hesselius arrives to the blood and the hushed servants, and closes the file with a lecture arguing the death was hereditary suicidal mania, not his patient lost, a professional self-acquittal that convinces almost no reader, and is not meant to.
Patient, doctor and familiar
Three figures carry the story, and the least trustworthy is the one holding the pen.
Themes: the thin partition
The furniture of theme is rich here. Science against the spiritual: Hesselius's confident materialist-mystical system explains everything and saves no one. Isolation: Jennings suffers alone because his affliction is unshareable, and every social scene measures the distance. The dangers of obsessive study, with green tea as the Victorian anxiety about stimulants and overwork given a face. And religion under siege: the demon targets exactly the activities, prayer and preaching, that define its victim.
The sharper reading is about explanation as abandonment. Every authority in the story converts Jennings's suffering into a category, nerves, heredity, the opened interior eye, and each conversion licenses someone to stop helping. Le Fanu's real monster may be the monkey, or it may be the footnote: the human habit of filing the unbearable under a heading and moving house.
The craft: escalation by instalments
The story's engine is the staged worsening of a single image. Le Fanu understood that one apparition, patiently upgraded, watching, following, interrupting, speaking, commanding, frightens more than a parade of horrors, because each stage redefines how bad the last one really was. The medical frame does double work: Hesselius's clinical apparatus lends the case documentary weight while his complacency supplies the irony, and the fatal plot turn is administrative, a message misdirected because the doctor wanted quieter lodgings.
The stealable technique is the persecutor calibrated to its victim. The monkey attacks nothing Jennings owns and everything he is: his study, his prayers, his pulpit. Design your haunting as a critic of your protagonist's identity and the reader will feel it in the sternum.
What poets can take from this
- For exams, map the monkey's escalation in stages, presence, malice, interruption, speech, command, and cite one scene for each.
- Treat Hesselius as an unreliable frame: his closing diagnosis is evidence of theme, not truth.
- Use the misdirected summons as your example of tragedy sprung by mundane detail.
- When imitating Le Fanu, upgrade one apparition by instalments instead of adding new horrors.
- Aim your haunting at what your character does best; persecution of identity cuts deepest.
- Give your expert a system that explains everything, then let the plot bill him for it.
Try it yourself
A specialist takes on a patient or client afflicted by something only the client can perceive, and documents the case in confident professional language. Let the affliction escalate in five distinct stages, let the crisis arrive through one piece of failed administration, and end with the specialist explaining the disaster in a way the reader can see through.
Questions
What is the monkey in Green Tea?
Le Fanu never settles it. Hesselius calls it a symptom, an inner eye opened by overwork and green tea; Jennings experiences it as a demon that hates his faith. The story is built so that neither explanation covers the facts, and the gap is the horror.
How does Green Tea end?
The monkey returns in its most violent phase while Hesselius is unreachable at new lodgings. After a final night of torment, Jennings kills himself by cutting his throat, and the doctor closes the case by blaming hereditary suicidal mania rather than his own failure.
Why is the story called Green Tea?
Jennings's long midnight studies were fuelled by strong green tea, which Hesselius identifies as the agent that opened his patient's interior sight. The mundane title is deliberate: Le Fanu hangs damnation on a household habit, which is exactly the story's method.
By the Writory editorial team, reviewed by working poets. Updated July 2026.
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