大方廣圓覺修多羅了義經略疏 2.648

2.648

六、下方騰化觀。即《法華》菩薩六萬恒沙從下方現。

Sixth, the contemplation of soaring transformations from below. That is, the bodhisattvas of the Lotus Sūtra, [numerous as the] sands of sixty thousand Ganges rivers, emerging from below.