. British fungus-flora. A classified text-book of mycology. Fungi. HELVELLA. 465 In pine woods, among moss, &c. Specimen from. Fries examined. The present species lias by some authorities heen placed in the genus Peziza, used in the broader sense, on account of the concave or cup-shaped form of the young ascophore, but the entire structure is that of Hehella. Helvella atra. Konig, Zoega. Fl. p. 20: Mrcogr., fig. 167 ; Phil., Brit Disc, p. Hi; Sacc, Syll., viii. n. 81. Solitary, sooty-black or black with a purple shade; pileus droop- ing on opposite sides, depressed at the centr
. British fungus-flora. A classified text-book of mycology. Fungi. HELVELLA. 465 In pine woods, among moss, &c. Specimen from. Fries examined. The present species lias by some authorities heen placed in the genus Peziza, used in the broader sense, on account of the concave or cup-shaped form of the young ascophore, but the entire structure is that of Hehella. Helvella atra. Konig, Zoega. Fl. p. 20: Mrcogr., fig. 167 ; Phil., Brit Disc, p. Hi; Sacc, Syll., viii. n. 81. Solitary, sooty-black or black with a purple shade; pileus droop- ing on opposite sides, depressed at the centre, usually free from the stem at the sides but close to it, thin, dingy grey when dry, even underneath and minutely fnrfu- raceous, dingy grey, 1-5—2'5 cm. ac]-oss; margin inclined to turn upwards; stem 3—5 cm. long, about ^ mm. thick, often slightly thick- ened and more or less lacunose near the base, w^hich is greyish-olive, remainder black, furfnraceo-villose, stuffed; hypothecium and excipu- lum formed of hyaline, densely interwoven hyphae which pass into a large celled, parenchymatous cortex, the external cells of which run out in chains, clusters of which BelveUa heleeHoides, 5Ias3. Section through the ascophore: the hypothecinm (1) is formed of densely interwoven branched septate hyphae i at the central portion the textnre is looser, and changes at the cortex (2) into a parenchyma of polygonal cells, many of which mn ont into hairs forming the scnrfy exterior. VOL. \_-'. 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 Massee, George, 1850-1917. London, New York, G. Bell & Sons
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectfungi, bookyear1892
