She presented him gracefully enough.

Ellen knew nothing of society etiquette, she had never introduced such a young gentleman as this to any one in her life, but her inborn dignity of character kept her self-poise perfect.
Still, when young Lloyd saw the mother coarsely perspiring and fairly aggressive in her delight over her daughter, when poor Andrew hoped he saw him well, and Mrs.Zelotes eyed him with sharp approbation, and Eva, conscious of her shabbiness, bowed with a stiff toss of her head and sat back sullenly, and little Amabel surveyed him with uncanny wisdom divided between himself and Ellen, he became conscious of a slight disappearance of his glamour.

He thanked Ellen most heartily for the privilege which she granted him, when she took the valedictory from the heap of flowers, and took his leave with a bow which made Fanny nudge Andrew, almost before the young man's back was turned.
Then she looked at Ellen, but she said nothing.

A sudden impulse of delicacy prevented her.

There was something about this beloved daughter of hers which all at once seemed strange to her.