The Prince made a little movement, as much as to say, "Well, that's it, I remember now."
And, all the while feigning to be engaged with his book, he watched Rosa with even more attention than he had before.
"And you are fond of flowers?" continued Mynheer van Systens.
"Yes, sir."
"Then you are an experienced florist, I dare say?"
Rosa hesitated a moment; then with a tone which came from the depth of her heart, she said,-"Gentlemen, I am speaking to men of honor."
There was such an expression of truth in the tone of her voice, that Van Systens and the Prince answered simultaneously by an affirmative movement of their heads.
"Well, then, I am not an experienced florist; I am only a poor girl, one of the people, who, three months ago, knew neither how to read nor how to write. No, the black tulip has not been found by myself."
"But by whom else?"
"By a poor prisoner of Loewestein."
"By a prisoner of Loewestein?" repeated the Prince.
The tone of his voice startled Rosa, who was sure she had heard it before.
"By a prisoner of state, then," continued the Prince, "as there are none else there."
Having said this he began to read again, at least in appearance.
"Yes," said Rosa, with a faltering voice, "yes, by a prisoner of state."
Van Systens trembled as he heard such a confession made in the presence of such a witness.
"Continue," said William dryly, to the President of the Horticultural Society.
"Ah, sir," said Rosa, addressing the person whom she thought to be her real judge, "I am going to incriminate myself very seriously."
"Certainly," said Van Systens, "the prisoner of state ought to be kept in close confinement at Loewestein."
"Alas! sir."
"And from what you tell me you took advantage of your position, as daughter of the jailer, to communicate with a prisoner of state about the cultivation of flowers."
"So it is, sir," Rosa murmured in dismay; "yes, I am bound to confess, I saw him every day."
"Unfortunate girl!" exclaimed Van Systens.
The Prince, observing the fright of Rosa and the pallor of the President, raised his head, and said, in his clear and decided tone,-"This cannot signify anything to the members of the Horticultural Society; they have to judge on the black tulip, and have no cognizance to take of political offences. Go on, young woman, go on."
Van Systens, by means of an eloquent glance, offered, in the name of the tulip, his thanks to the new member of the Horticultural Society.
Rosa, reassured by this sort of encouragement which the stranger was giving her, related all that had happened for the last three months, all that she had done, and all that she had suffered. She described the cruelty of Gryphus; the destruction of the first bulb; the grief of the prisoner; the precautions taken to insure the success of the second bulb; the patience of the prisoner and his anxiety during their separation; how he was about to starve himself because he had no longer any news of his tulip; his joy when she went to see him again; and, lastly, their despair when they found that the tulip which had come into flower was stolen just one hour after it had opened.