. Fundamentals of botany. Botany. CALAMITES AND LYCOPODS 377 prefer a substratum rich in humus or other organic matter. Most of the species are restricted to one hemisphere, but a few occur in both. 338. The Sporophj^e.—There are several hundred species of Lycopodium. Among those most common in temperate America are L. clavatum (Fig. 272), L. ohscurum. Fig. 272.—Lycopodium clavatum. dendroideum, and L. lucidulum. These species commonly grow trailing over the surface of the ground, and from this, and the appearance of their fohage, they are com- monly called "ground pine," though of c
. Fundamentals of botany. Botany. CALAMITES AND LYCOPODS 377 prefer a substratum rich in humus or other organic matter. Most of the species are restricted to one hemisphere, but a few occur in both. 338. The Sporophj^e.—There are several hundred species of Lycopodium. Among those most common in temperate America are L. clavatum (Fig. 272), L. ohscurum. Fig. 272.—Lycopodium clavatum. dendroideum, and L. lucidulum. These species commonly grow trailing over the surface of the ground, and from this, and the appearance of their fohage, they are com- monly called "ground pine," though of course they have nothing to do with true pines. As is well shown in the figure, the plant-body of the sporophyte of Lycopodium clavatum consists of a sterile lower region, bearing foliage-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Gager, C. Stuart (Charles Stuart), 1872-1943. Philadelphia, P. Blakiston's son & co.
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