And also, if Dante had wished for a new type to be added to his characters of the Inferno, he might have chosen Boxtel during the period of Van Baerle's successes. Whilst Cornelius was weeding, manuring, watering his beds, whilst, kneeling on the turf border, he analysed every vein of the flowering tulips, and meditated on the modifications which might be effected by crosses of colour or otherwise, Boxtel, concealed behind a small sycamore which he had trained at the top of the partition wall in the shape of a fan, watched, with his eyes starting from their sockets and with foaming mouth, every step and every gesture of his neighbour; and whenever he thought he saw him look happy, or descried a smile on his lips, or a flash of contentment glistening in his eyes, he poured out towards him such a volley of maledictions and furious threats as to make it indeed a matter of wonder that this venomous breath of envy and hatred did not carry a blight on the innocent flowers which had excited it.
When the evil spirit has once taken hold of the heart of man, it urges him on, without letting him stop. Thus Boxtel soon was no longer content with seeing Van Baerle. He wanted to see his flowers, too; he had the feelings of an artist, the master-piece of a rival engrossed his interest.
He therefore bought a telescope, which enabled him to watch as accurately as did the owner himself every progressive development of the flower, from the moment when, in the first year, its pale seed-leaf begins to peep from the ground, to that glorious one, when, after five years, its petals at last reveal the hidden treasures of its chalice. How often had the miserable, jealous man to observe in Van Baerle's beds tulips which dazzled him by their beauty, and almost choked him by their perfection!
And then, after the first blush of the admiration which he could not help feeling, he began to be tortured by the pangs of envy, by that slow fever which creeps over the heart and changes it into a nest of vipers, each devouring the other and ever born anew. How often did Boxtel, in the midst of tortures which no pen is able fully to describe,--how often did he feel an inclination to jump down into the garden during the night, to destroy the plants, to tear the bulbs with his teeth, and to sacrifice to his wrath the owner himself, if he should venture to stand up for the defence of his tulips!
But to kill a tulip was a horrible crime in the eyes of a genuine tulip-fancier; as to killing a man, it would not have mattered so very much.