Square white teeth crunched down on the grass stem.
She began munching on a grass stem herself.
Lorryn pulled a grass stem to chew on it.
The stream of brown juice nailed a grasshopper as it slumbered on a grass stem.
The large mass of workers eventually anchors to either a grass stem or a bush.
Into this hole is inserted a long hollow grass stem.
I poked a long grass stem into one.
I let him; he might as well tickle me with a grass stem.
He flung himself over on his stomach and began hewing a grass stem.
"Marks like this-" She plucked a long grass stem and with its tip drew lines in the dust.