. Botany; principles and problems. Botany. c Fig. 181.—Physcia stcllaris, a lichen. A, section through an ascocarp, show- ing fruiting-surface (hymenium) of asci hairs. B, a portion of the hymenium enlarged, showing two asci and several paraphyses. C, section through the thallus, showing the mass of mycelial filaments and (near upper surface) a group of algal cells embedded in the Fig. 182.—A lichen (Parmeiia), showing the rather thin and thallus-like charac- ter of the plant body and the cup-shaped sac-fruits or Please note that these images are extracted fr

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. Botany; principles and problems. Botany. c Fig. 181.—Physcia stcllaris, a lichen. A, section through an ascocarp, show- ing fruiting-surface (hymenium) of asci hairs. B, a portion of the hymenium enlarged, showing two asci and several paraphyses. C, section through the thallus, showing the mass of mycelial filaments and (near upper surface) a group of algal cells embedded in the Fig. 182.—A lichen (Parmeiia), showing the rather thin and thallus-like charac- ter of the plant body and the cup-shaped sac-fruits or 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 Sinnott, Edmund Ware, 1888-. New York, McGraw-Hill

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbotany, bookyear1923