四分律行事鈔資持記 1.524

1.524

空野唱中。須起立者，使眾見聞也。不稱名者，以羯磨牒唱，恐濫為別故；準《業疏》云：亦有牒名，義亦通得，莫非成僧，故知不局。相中四樹，出法示相；隨物隨改，不必須樹。紕謬，猶錯亂也。

In [the section on] chanting in an open wilderness: Having to stand up is to enable the Saṃgha to see and hear. Not stating the name is because in the karmavācanā the chanted marker is mentioned, and it is feared that mentioning names would mistakenly cause division; according to the Karma Commentary: "There are also cases where the name is mentioned, which is also admissible in principle, for both accomplish [the act of] the Saṃgha; hence we know it is not rigidly restricted." The four trees in the markers present the method to illustrate the markers; they are adjusted according to what is available, and do not necessarily have to be trees. "Muddled and erroneous" (紕謬) is like being confused and disorderly.