By Chester A. Arnold

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Geasterlies florissantensis, came from the THE NON VASCULAR PLANTS 45 Among the Fungi Imperfect! Pestalozzites, so named because of its resemblance to Pestalozzia, occurs on Miocene palm leaves. Numerous other examples of imperfects might be cited, although their importance is relatively slight. The fossil record has thrown no light on the problem of the evolution Morphological studies of recent fungi indicate or origin of the fungi. is polyphyletic, different groups having developed from various algal types through the loss of chlorophyll and the resulting inability to sustain themselves independent of previously synthesized that the class organic material.

Known is Solenopora (Fig. 19), which ranges from the Ordovician to the Jurassic. Solenopora produced biscuit or headlike limestone masses with a lobate surface which, when sectioned vertically, theless, certain One of the best are seen to consist of faintly visible radiating lines (the algal filaments) and wavy concentric bands which probably represent seasonal accretions. A Recent member of the Rhodophyceae which extends back into the The thallus of this plant forms a hard stony is Lithothamnium.

Geol. Survey Prof. Paper 154 G, 1929. : Muscineac, Foss. , II. Plantac, Pars 13, Berlin, 1927. A. FENTON: Algal reefs or bioherms in the Belt series of Montana, Geol. Soc. America Bull. 44, 1933. Pre-Carnbrian and early Paleozoic algae, Amer. Midland Naturalist, 30 (1), : 1943. : State Mus. Algal barrier reefs in the Albany, 1938. Lower Ozarkian of New York, New York Bull. : Discovery of life in the Archean, Jour. Geology, 33, 1925. : Naiadita, a fossil bryophyte with reproductive organs, Ann. BryoL, 12* 1939.

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