. A guide to the study of lichens. HISTOLOGY OF A FOLIOSE L/CHEiV.{Sticta amflissima.) PLATE axd Thalline Types. Apothecial types : 1. Fungal type of apothecium as it occurs in the (^ali- 2. Fungal type of apotheciuni as it occurs in tlie Cla- doniaceae and some Fungal type of apotheciuni as it occurs in the major-ity of Lecideaceae. 4. Thalline type of apotheciuni as it occurs in the Phys- ciaceae and Parmeliacea?. 5. Immersed type of apotheciura as it occurs in Endo- carpoti and other types : 6. Crustose thallus. 7. Crustose thallus with
. A guide to the study of lichens. HISTOLOGY OF A FOLIOSE L/CHEiV.{Sticta amflissima.) PLATE axd Thalline Types. Apothecial types : 1. Fungal type of apothecium as it occurs in the (^ali- 2. Fungal type of apotheciuni as it occurs in tlie Cla- doniaceae and some Fungal type of apotheciuni as it occurs in the major-ity of Lecideaceae. 4. Thalline type of apotheciuni as it occurs in the Phys- ciaceae and Parmeliacea?. 5. Immersed type of apotheciura as it occurs in Endo- carpoti and other types : 6. Crustose thallus. 7. Crustose thallus with upper cortical layer. 8. Foliose thallus without upper cortical la^^;. Foliose thallus with both cortical layers. 10. Fruticose thallus as in Stereocauhn. 11. Fruticose thallus as in Cladonia. 12. Fruticose thallus as in Usnea. All the figures are diagramatic ; 1 to 9 inclusive represent ver-tical sections; 10, 11 and 12, longitudinal sections. GUIDE TO LICHENS. Schneider. Plat* AFOTHECIAL AXD JHALLLVE TYPES. PLATE Spore-tyfks. 1. Acarospora. 2. Alectoria. 4. Arthonia. 5. Arthothelium. 6. Bacidia. 7. Baeomyces. 8. Biatora. 9. Biatorella. 10. Biatorina. 11. Bilimbia. 12. Bryopogon. GUIDE TO LICHENS. Schneider. Plate. V.
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