Shiva Purana
इत्यादि नियमैर्योगी त्रिकालं मध्यमेश्वरम् ॥ पूजयामास धर्म्मात्मा नानावृक्षोद्भवैः फलैः ॥ ९०॥
Thus by these observances of restraints the holy sage worshipped Madhyameśvara thrice a day with flowers of various trees.
english translation
ityAdi niyamairyogI trikAlaM madhyamezvaram ॥ pUjayAmAsa dharmmAtmA nAnAvRkSodbhavaiH phalaiH ॥ 90॥
hk transliteration by Sanscript