"and he ate the shoots of the field": These are the fruits of Eretz Yisrael, which are easier to eat than the fruits of all of the lands.

"and He gave him to suck (fig-) honey from the rock": such as (is found in Sichni and its neighbors. Once R. Yehudah said to his son in Sichni: "Go and bring me figs from the barrel." The son: "Father, but it is (a barrel) of honey!" The father: "My son, stick your hand into it and you will bring up figs from it."

"And oil from the flint of the rock": These are the olives of Gush Chalav. Once R. Yossi said to his son in Sepphoris: Go up and bring us olives from the attic." He went and found the attic flooded with oil.