It led through a grove of lindens to a conservatory.
On the other side of the house, to match with the library, was the conservatory, ornamented with rare flowers, that bloomed in china jars; and in the midst of the greenhouse, marvellous alike to sight and smell, was a billiard-table which looked as if it had been abandoned during the past hour by players who had left the balls on the cloth.
Mercedes had no fire in that cold and naked room—she, who was accustomed to stoves which heated the house from the hall to the boudoir; she had not even one little flower—she whose apartment had been a conservatory of costly exotics.
Albert, completely exhausted with the exercise which invigorated Monte Cristo, was sleeping in an arm-chair near the window, while the count was designing with his architect the plan of a conservatory in his house, when the sound of a horse at full speed on the high road made Albert look up.
There are no more uses of "conservatory" in the book.