Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 623
n dif-ferent genera. They are always unicellular, and the membraneconsists of two coats, the endospore and exospore, the former ofwhich consists of pure cellulose, while the latter is more or lesscuticularised. On germinating the endospore bursts through theexospore, and grows into a germinating… … LICHENS 577 discovery announced in its complete form by Schwendener in 1869 1(and now accepted by the highest authorities), that instead ofconstituting a special type of Thallophytes, parallel to Ah/re (withwhich they correspond in their vegetative characters) and Fungi (towhich they are more…
Microscopy
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