of plants or persons; having the nature or habits of a parasite or leech; living off another;
"a wealthy class parasitic upon the labor of the masses" "parasitic vines that strangle the trees" "bloodsucking blackmailer" "his indolent leechlike existence"
Occasionally the marks were hidden under tufts of myrtle, which spread into large bushes laden with blossoms, or beneath parasitical lichen. 这些记号相当有规律,大概是故意留下来的,有几处已被覆盖化一丛丛鲜花盛开着的香桃木底下,或寄生的地衣底下。