24 576 Leptogium coralloideum (May & Zw) Vainio 577 Pertusaria achroiza Nyl.? 578 Anaptychia hypoleuca v. propagulifera Vainio 579 Pyxine Cocoes (Sw.) Nyl. 580 Parmelia xanthina Vainio 581 Pyxine Cocoes (Sw.) Nyl. v. sardophora Tuck 582 Parmelia adpressa Kimpkbr. 583 Parmelia domuncana Vainio 584 Parmelia blasticca Vainio 585 Anaptychia granulifera (Ach) Mass. v. farinulenta Vainio 586 Pertusaria immature, parasitized by an immature Celdraceous fungus 587 Phaeographis Cascarillae (Té) Müll Arg 588 Leptogium marginellum (Sw) S J Gray v. asidiocellum Riddle 589 Caloplaca subsequestra (Nyl.) Riddle 590 Bathelium mastodeum v macerum (Müll Arg) 591 Arthonia dichotoma Vainio 592 Arthonia spcedens Nyl; Opegrapha confuzula Müll Arg 593 Pseudopyrenula erumpens Mullarg, Graphina acharii v rubentegra Zahlbr 594 Melaspidea bifurca Nyl; Arthothelium nephelinum (Nyl) Zahlbr; Phaeographis aurantiaca Wa nordrand 595 Porina polycarpa Mull Arg 596 Graphis homographa Nyl. 597 Phaeographina cabalistica (Nyl) Müll Arg; a. Anthracothecium albescens (Nyl) Zahlbr 598 Pyxine dissecta (Té) Vainio; Parmelia (amphigymna) xanthina Vainio; Leptogium hypaneooides 599 Graphis colliculosa (Müll.) Nyl 600