The Sun is one and on the Tare — Newspaper

The Sun is one-and on the Tare 1
He doth as punctual call
As on the conscientious Flower
And estimates them all-
(F.1399/J.1372)
[1] Sun:: name of a newspaper; The Sun. Tare:: articles like weeds.
[2] punctual call:: the newspaper's regular articles.
[3] Flower:: beautiful writing.
[4] estimates:: esteems, values.

On the occasion of Her Majesty's coronation, June 28, 1838, the Sun newspaper was, at his suggestion and with his aid, on the occasion printed in gold. ─ The Gentleman's Magazine (1866)