Shiva Purana
वामहस्तगतांभोभिर्गंधसिद्धार्थकान्वितैः ॥ कुशपुंजेन वाभ्युक्ष्य मूलमंत्रसमन्वितैः ॥ १८ ॥
The waters in his left hand were filled with fragrance, perfection and meaning. Or dry with a bunch of kusha grass and chant the root mantra.
english translation
vAmahastagatAMbhobhirgaMdhasiddhArthakAnvitaiH ॥ kuzapuMjena vAbhyukSya mUlamaMtrasamanvitaiH ॥ 18 ॥
hk transliteration by Sanscript