Lilies. The church teaches, that God is delighted with the pious desires and works of the faithful. (Worthington)
She answers the question which had been put to her. (Calmet)
God associates lilies, or the perfect, to his angels. He "feeds his flock "and "is fed "on works of piety, as Hebrew and Septuagint imply both. (Menochius)
My beloved is gone down into his garden: Christ, pleased with the good works of his holy and devout servants labouring in his garden, is always present with them: but the words is gone down, are to be understood, that after trying his Church by permitting persecution, he comes to her assistance and she rejoices at his coming.