Agnipurana 201.13

201.13

yathātmani tathā deve śiṣyadehe nyasettathā /
anirmālyā smṛtā pūjā yaddhareḥ pūjanaṃ hṛdi //

As upon oneself, so upon the deity, and likewise one should deposit upon the body of the disciple.
The worship of Hari in the heart is traditionally considered free of remnant flowers;