तत ओषधयश्चासन् शिश्नं निर्बिभिदे तत: ॥ ५६ ॥
tata oṣadhayaś cāsan
śiśnaṁ nirbibhide tataḥ
Then the universal form of the Lord, the virāṭ-puruṣa, manifested His skin, and thereupon the hair, mustache and beard appeared. After this all the herbs and drugs became manifested, and then His genitals also appeared.
The skin is the site of the touch sensation. The demigods who control the production of herbs and medicinal drugs are the deities presiding over the tactile sense.