[1] Similarly in Hesychius alpha1539. If the headword adjective (masculine/feminine nominative singular) is extracted from somewhere, there is no reason to assume that the source is the quotation given here (next note); there are numerous other possibilities. LSJ s.v. documents both senses of the adjective: not seeing, as well as this not being seen.
[2] Quotation (transmitted, according to Adler, via the Excerpta Constantini Porphyrogeniti) unidentifiable. For Ligystine, in southern Spain, cf. lambda 508.