Where are hydathodes (water stomata) found?

Identify the given diagrams and mark the correct option.

In $Acacia$ species,the first few leaves are pinnately compound. Then there are leaves with flattened petiole and fewer pinnae. The leaves of the adult plant have parallel-veined flattened petioles and no pinnae. It shows that:

Stomata in grass leaf are

$A$: In $Smilax$,stipules change into tendrils and help in climbing.
$R$: Parallel venation is found in this plant.

Name the plant having reticulate venation.