. Synopsis of the British Basidiomycetes ; a descriptive catalogue of the drawings and specimens in the Department of botany, British museum. B. ovalispora Cooke & Mass. (from the oval spores) a Cor. very thin, subpersistent towards base, whitish or ochreous, inner layer thin, flaccid, smooth, dull lead-colour, dehiscing by an irregular stoma. Cap. and Spores brown. On the ground. Diam. 2 in. Formerly included with 2078 and 2079, butdiffering in the oval spores and thinner cortex. 478 SCLERODERMACE/E Polysaccum Fam. IX. SCLERODERMACEjE Peridium thick with a well-defined base, som
. Synopsis of the British Basidiomycetes ; a descriptive catalogue of the drawings and specimens in the Department of botany, British museum. B. ovalispora Cooke & Mass. (from the oval spores) a Cor. very thin, subpersistent towards base, whitish or ochreous, inner layer thin, flaccid, smooth, dull lead-colour, dehiscing by an irregular stoma. Cap. and Spores brown. On the ground. Diam. 2 in. Formerly included with 2078 and 2079, butdiffering in the oval spores and thinner cortex. 478 SCLERODERMACE/E Polysaccum Fam. IX. SCLERODERMACEjE Peridium thick with a well-defined base, sometimes forming astem, opening at the apex in an irregular manner, feebly developedwith a sterile base. Capillitium absent or scanty. Species 2085—2089 Key to the Genera. Gleba composed of numerous distinct cells containing peridiola 117 Polysaccum. Gleba cellular, cells without peridiola 118 Scleroderma. CXVIL POLYSACCUM DC. (From the many small cells within the peridium;Gr. polus, many, saccos, a bag.) Peridium irregularly globose, corky, attenuate downwards into amore or less elongated stem-like base, dehiscing by an irregular. Fig. 133.—A, b, c, d, Polysaccum pisocarpium Fr., entire and in section. One-half naturalsize, e, section through part of gleba, showing cavities and enclosed peridiola. X 5. f, basidiaand spores. X 250. G, spore. X 750. rupture of the apex. Gleba consisting of numerous cells, each con-taining a peridiolum. Peridiola at first saccate or irregularly ovoid,sometimes filling the cell and becoming irregularly polygonal.(Fig. 133.) 2085. P. pisocarpium Fr. (from the pea-like peridiola; pisum, a pea,carpellum, a fruit) a irregularly globose or ovate, smooth, subtuberculose, corky,attenuate downwards into a more or less stem-like base, or Scleroderma SCLERODERMACE/E 479 sessile or nearly so, pale to olive-umber, base spongy-cellularwithin. Gl. composed of numerous cells, each containing anolive-umber Peri. Spores dark the ground. May. 2§ x
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