James 1:10-11

and the rich man, in his humility: because as the flower of the grass he will pass away.

1 Peter 1:24

Therefore all flesh is as grass, and all its glory as the flower of grass: the grass is withered, and the flower fell off;

Treasury of Scripture Knowledge

Summary

Therefore their inhabitants were of small power, they were dismayed and confounded; they were as the grass of the field, and as the green herb, as the grass on the housetops, and as corn blasted before it be grown up.

Bible References

They were

James 1:10
and the rich man, in his humility: because as the flower of the grass he will pass away.
1 Peter 1:24
Therefore all flesh is as grass, and all its glory as the flower of grass: the grass is withered, and the flower fell off;