Here where the Daisies fit my Head — School

This poem describes a place like tomb, Dickinson's school.

Here, where the Daisies fit my Head 1
'Tis easiest to lie
And every Grass that plays outside
Is sorry, some, for me.
(F.985/J.1037)
[1] Daisies: first-rate things or persons (OED n.5); fit my Head: teachers or other smart students who tried to shape Dickinson's mind.
[2] to lie: to cheat; she cheated these teachers.
[3] Grass: persons being free from fixed engagements (OED n.1 5b); those not in school.