Reference for Shabbat 255:15

והא ההוא דאמר להו מאן בעי קורניתא ואישתכח חשי אלא סיאה צתרי אזוב אברתא קורניתא חשי:

if one prepared them as animal fodder, may be handled; if not, they may not be handled. R. Simeon b. Gamaliel said: Bundles which can be taken up with one hand may be handled; with two hands, may not be handled. As for bundles of si'ah,<span class="x" onmousemove="('comment',' Jast.: a plant classified with hyssop. Satureia Thymbra (savory). ');"><sup>13</sup></span>