修藥師之法，因四十九燈，而請四十九僧也。
and 四十九燈. The service to 藥師 the Master of Healing, when forty-nine lamps are displayed and forty-nine monks engaged; seven of his images are used, seven of the lamps being placed before each image.
一四十九僧 修藥師之法時，造藥師七像，每像各供七燈，共四十九燈，更請僧四十九人誦讀藥師經。（參閱「四十九燈」2126）p2126