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. Elements of botany. Botany. TYPES OV CRYi-TOGAMS; THALLOPHYTES 223 (4) The delicate threads which rise at intervals from the mycelium and are terminated by small globular objects. These little spheres are spore-cases. Compare some of the spore-cases with each other and notice what change of color marks their coming to maturity. 286- Examination with the Microscope. — Sketch a portion of the untouched surface of the mold as seen (opaque) with a two-inch objective, and then compare with Fig. Wet a bit of the mold, first with alcohol and then -nith water. Examine in water with the half-in
. Elements of botany. Botany. TYPES OV CRYi-TOGAMS; THALLOPHYTES 223 (4) The delicate threads which rise at intervals from the mycelium and are terminated by small globular objects. These little spheres are spore-cases. Compare some of the spore-cases with each other and notice what change of color marks their coming to maturity. 286- Examination with the Microscope. — Sketch a portion of the untouched surface of the mold as seen (opaque) with a two-inch objective, and then compare with Fig. Wet a bit of the mold, first with alcohol and then -nith water. Examine in water with the half-inch objective, and sketch a little of. Fig. 158. Unicellular Mycelium of a Mold (J/wcor ihicedo), sprung from a Single Spore. a. b. and c, firanches for the production of spore-cases, showing various stages of maturity. (Considerably magnified.) the mycelium, some of the spore-cases, and the thread-like stalks on which they are borne. Are these stalks and the mycelium lilamenta solid or tubular ? Are they one-celled or several-celled ? Mount some of the mature sjiore-cases in water, examine them with the highest obtainable power, and sketch the escaping 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 Bergen, Joseph Y. (Joseph Young), 1851-1917. Boston, Ginn
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1904