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LICHENS v^r-'v. 1. USNEA. 2. STICTA. 3. SECTION OF STICTA, showing algal cells surrounded by fungal filaments. 4. AN ALGAL CELL with investing fungal filaments, from Cladonia. 5 CLADONIA, the " Reindeer Moss ". 6. THE SPORE-BEARING PORTION 0"^ CLADONIA. 7. AN ASCUS with two-celled spores, from Fig. 8. 8. SECTION OF "FRUIT", from Anaptychla. 9. PHYSCIA.
