. Nature and development of plants. Botany. FiG. 176. One of the puffballs popularly known as "earth stars," show- ing the outer periderm splitting into star-like sections and the inner peri- derm opening by a pore. derm splits into rather regular star-like segments or valves which are hygroscopic. In damp weather these valves roll back, in some species to such an extent as to lift the puifball from the ground, when it may be set rolling by the wind and thus bring about a better discharge of the Fig. 177. A common bird's-nest-fungus, Crucihulum: A, habit of fungus on branch
. Nature and development of plants. Botany. FiG. 176. One of the puffballs popularly known as "earth stars," show- ing the outer periderm splitting into star-like sections and the inner peri- derm opening by a pore. derm splits into rather regular star-like segments or valves which are hygroscopic. In damp weather these valves roll back, in some species to such an extent as to lift the puifball from the ground, when it may be set rolling by the wind and thus bring about a better discharge of the Fig. 177. A common bird's-nest-fungus, Crucihulum: A, habit of fungus on branch of hickory. B, one of the cups in section, showing the tough hyphae surrounding the spore-bearing cavities. 99. Order e. Nidulariales or Bird's-Nest Fungi.—^These minute and curious fungi may be found growing upon twigs or upon bare ground in old fields, or upon dried dung (Fig. 177, A).. 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 Curtis, Carlton Clarence, 1864-1945. New York, H. Holt
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisher, booksubjectbotany
