פירוש על נחמיה 8:15

And that they should announce And they commanded that they announce that they celebrate the Festival of Sukkoth, and so it is customary for Scripture to speak in this manner, like (I Sam. 9: 27): “Tell the servant and he will go ahead of us.”

myrtle leaves It is explained in Tractate Succah (12a) that this is a wild myrtle which is unfit for the lulav and only fit to make a sukkah.

date palm leaves for a lulav.

and leaves of plaited trees This is the myrtle that is fit for the lulav as is explained in Tractate Succah (ad loc.).