Liturgy for Pesachim 78:5

יוצאין בהן בין לחין בין יבשין כו': א"ר חסדא לא שנו אלא בקלח אבל בעלין לחין אין יבשין לא

Herbs'; and the School of Samuel [also] taught 'Herbs'?<span class="x" onmousemove="('comment',' All these authorities describe maror as herbs; how then could it be assumed that maror belongs to the class of cereals?');">⁸</span> - He needs [to state it about] lettuce:<span class="x" onmousemove="('comment',' The last reply to the question, 'What does Rab add', being untenable, another answer is offered.');">⁹</span> I might argue.

Pesach Haggadah