. A monograph of lichens found in Britain; being a descriptive catalogue of the species in the herbarium of the British Museum. Lichens. CALICIEI. 87 Cromb. GreviUea, xv.(1886) p. 14.—Thallus with giobulose gonidia; spores globose or ellipsoid, simple or 1-geptate. a. Spores globose, very rarely oblong, simple, brownish ; sporal mass umbrine. 2. C. chrysocephalum Aoh. Meth. Suppl. (1803) p. 15.—Thal- lus thickish, granulate, granules usually conglomerate, citrine or bright greenish-yellow. Apothe- cia scattered ; stipes rather short, slender, black or blackish-bro
. A monograph of lichens found in Britain; being a descriptive catalogue of the species in the herbarium of the British Museum. Lichens. CALICIEI. 87 Cromb. GreviUea, xv.(1886) p. 14.—Thallus with giobulose gonidia; spores globose or ellipsoid, simple or 1-geptate. a. Spores globose, very rarely oblong, simple, brownish ; sporal mass umbrine. 2. C. chrysocephalum Aoh. Meth. Suppl. (1803) p. 15.—Thal- lus thickish, granulate, granules usually conglomerate, citrine or bright greenish-yellow. Apothe- cia scattered ; stipes rather short, slender, black or blackish-brown; capitulum turbinate - lentiform, black, beneath and at the margin ci- trino-suffused; spores 0,003-6 mm. in diameter.—Cromb. Lich. Brit. p. 11; Leight. Lich. Fl. p. 39, ed. 3, p. 39.—Cyjpheliwm chrysocephalum Mudd, Man. p. 261. PMcotium chrysocephalum Gray, Nat. Arr. i. p. 484. lAcJien chrysocephalus Turn. Linn. Soc. Trans, vii. (1804) p. 88, t. 8. f. 1; Eng. Bot. t. 2501. Calieium chrysocepha- lum Sm. Eng. Fl. v. p. 140.— Brit. Exs.: Leight. n. 134, pro parte; Mudd, n. Fig. -31. Calieium queninum Pers.—a. Goiii dia, X 350 diameters, b. Apo- thecium, x 30. u. Section of apothecium (moistened), X 30. d, Theoa and paraphyses, x 350. e. Spores, x 500. /. vertical section of a spermogonium, x 30. g. Ste- rigmata, and A spermatia, x 500. Readily distinguished by its brijjht yellow thallus, which in British specimens is persistent, and by the colour of the margin and of the under- side of the capitulum, but the latter disappears in old plants. The apo- theoia are more or less scattered, rarely here and there aggregate, and as if subsessile. Sab. On old pales and barn-doors in maritime and upland tracts.— Distr. Local and scarce in a few locahties throughout Kngland j very rare in S. and Central Scotland.—B. M.; Bury, Suffolk; Walthamstow, Essex; Penshurst, Kent; Bolney, Sussex; Lyndhurst, New Forest, Hants; Downton Castle, Herefordshire; Hatfield, near Worce
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Keywords: ., bookcentury1800, bookdecade1890, caliciales, calicioid, calicium
