52: They say that Leda...
52
Φαῖσι δὴ ποτα Λήδαν ὐακινθίνων
[ὐπ᾽ ἀνθέων] πεπυκαδμένον
εὔρην ὤιον. [transcription]
They say that Leda once found an egg under the hyacinths.
From the "Etymologicum Magnum." It is uncertain what flower the Greeks described by the word "hyacinth." In this case the iris may be meant.