Matsyapurana 156.10

156.10

śaiśirāsu ca rātrīṣu śuṣkasthaṇḍilaśāyinī
evaṃ sādhayatī tatra tapasā saṃvyavasthitā //

Umâ, on the other hand, entered Her father’s pleasure gardens as clouds wander in the sky In that way She left all the ornaments and donned barks of trees on Her body During the hot weather, She warmed Herself in the fire burning around Her She remained in water during the rainy season Sometimes She lived on the jungle fruits and sometimes observed fast She slept on the floor Thus She carried on Her penances Her body became dried up and lean and thin—8-10