. Botany for high schools and colleges. Botany. P TREN0MT0ETE8. 291 falls to the ground, where it usually remains till the follow- ing spring, when its hyphse hegin a new growth. As a re- sult of this new growth several little branches shoot up, and each forms a globular head (the receptacle) at its summit (A, Fig. 199). Large numbers of flask-shaped perithecia form in the cortical region of the receptacles {B, Fig. 199, cp); each contains many elongated asci, which rise from the bot-. Fig. 199.—Clavicepspurpurea. A, a sclerotinm (ergot), c, forming the receptacles (sporocarpe ?), ct. 5, loiig
. Botany for high schools and colleges. Botany. P TREN0MT0ETE8. 291 falls to the ground, where it usually remains till the follow- ing spring, when its hyphse hegin a new growth. As a re- sult of this new growth several little branches shoot up, and each forms a globular head (the receptacle) at its summit (A, Fig. 199). Large numbers of flask-shaped perithecia form in the cortical region of the receptacles {B, Fig. 199, cp); each contains many elongated asci, which rise from the bot-. Fig. 199.—Clavicepspurpurea. A, a sclerotinm (ergot), c, forming the receptacles (sporocarpe ?), ct. 5, loiigiiudinal section of a receptacle, showing the perithecia, cp. O, a perithecium, with tlie surrounding tissue ; cp, its orifice; Ay, hyi)hBe of the re- ceptacle ; sh, outer layer of the receptacle. D, a single ascus, ruptured, permitting the elongated narrow ascospores, sp^ to escape. A and £ moderately, C and 2> high- ly magnified.—After Tulasne. torn of the cavity (C, Fig. 199), and themselves contain several greatly attenuated ascospores (D, Fig. 199, sp). The ascospores germinate under proper conditions, and pro- duce sphacelia, thus completing the round of life. 385.—Thus far no sexual organs have been found, but from the general similarity of these fungi to the Pezizce and other Helvellaeese, it may be surmised that sexual organs and. 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 Bessey, Charles E. (Charles Edwin), 1845-1915. New York : H. Holt
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1885
