√ 26. Leptogium dendricum Nyl. 3 musciola Fr. 3 folacinum Stite 1 albo-ciliatum Dim. 3 coriellum Tuck. 1 tenuissimum Kret. 4 lacerum Fr. and var. 5- Californicum Tuck. 1 palmatum Munt. 2 crenatellum Tuck. 2 jubellum Nyl. 8- dactylinum Tuck. 4 Tremelloides Fr. and var. 8 juniperinum Tuck. 3 marginellum Munt. 1 Apalasellae Tuck. 2 punctulatum Nyl. 1 Chloronelum Nyl. 4 adpressum Nyl. 1 Vallatum Ach. ad var. 4 myochroum Schauer. 5- √ 27. Hydrothyria vinosae Russell 2 √ 28. Placodium coralloides Tuck. 1 Elegans St. and var. 5- Murorum St. and var. 7 cirrochroum Zeypp. 1 √ 28. Placodium cupulete 2 cinnabarinum Antz. 5 variable Nyl. var. 1 palactophyllum Tuck. 1 folacinum Tuck. 3 microphyllum Tuck. 1 aurantiacum A. & K. and var. 13 cerium Ach. 12 Sideritis Tuck. in litt. 2 jungmanniaceae Väll. 2 Sinapispermum Hopp. 3 Ferrugineum Buds. 6 Camptidium Tuck. 5- vitellinum Ach. 8 Lutes-minimum Tuck. 1 Spraguei Tuck. 2 √ 29. Lecanora Bolanderi Tuck. 1 Thamnitis Tuck. 2 Phryganitis Tuck. 2 Muralis Schauer and var. 9 gelida Ach. 2 rubina Ach. and var. 10 junguis Tuck. 3 pallida Schauer and var. 10 miculata Ach. 1 Glaucothela Dickx 4