Reference for Eruvin 55:14
כי קאמר רב
hence it is its seed that is subject to tithe but its herb<span class="x" onmousemove="('comment',' Sc. before it has ripened, while it was still green.');"><sup>40</sup></span> is exempt. Pepperwort<span class="x" onmousemove="('comment',' Lepidium sativum.');"><sup>42</sup></span> or gardenrocket<span class="x" onmousemove="('comment',' Eruca.');"><sup>43</sup></span> that was sown [with the intention of using it] as a herb must be tithed as herb and as seed.<span class="x" onmousemove="('comment',' Since it is used as food in either condition.');"><sup>44</sup></span> If it was sown to [be used as] seed it must be tithed as seed and as herb?<span class="x" onmousemove="('comment',' Tosef Sheb. II, which shows that individuals' eccentricities are disregarded. Why then did Rab lay down a ruling on the basis of the usage of one locality?');"><sup>45</sup></span> - Rab spoke Only