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Fig. 2.—A myxomycete or slime mold (Fuligo septica) in the plasmodium stage; a mass of protoplasm without cell wall.

This plasmodium grew on moist decaying wood in a glass jar and was photographed after it had “crawled up” the inner surface of the jar in the manner of the microscopic animal Amoeba. Its color was bright orange.

Fig 5.—Plants of the cinnamon fern (Osmunda cinnamomea), showing foliage leaves and (in the center) spore-bearing leaves.

Note that here the leafy plant is spore-bearing (the sporophyte), whereas in the moss (Fig. 4) the leafy plant is egg-bearing and sperm-bearing.

Reproduced, by permission, from Gager’s Fundamentals of Botany, published by P. Blakiston’s Sons & Co.