. A monograph of lichens found in Britain; being a descriptive catalogue of the species in the herbarium of the British Museum. Lichens. SPHINCTErNA.] 85 Enriand, though no doubt overlooked elsewhere.—^B. M.: Rozel, Island of Jersey. Near Brockenhurst, New Forest, Hampshire. 4. S. Kylemoriensis Cromb. Joum. Bot. 1882, p. 27-i.—Thallus none proper. Apothecia minute, very shortly stipitate or subsessile, the stipes slender, pale; capitulum turbinato-globose, black or blackish, somewhat shining ; spores simple, globulose, dark-brown, 0,004-6 mm. in diameter ; hymenial gelatine pale bluish and the
. A monograph of lichens found in Britain; being a descriptive catalogue of the species in the herbarium of the British Museum. Lichens. SPHINCTErNA.] 85 Enriand, though no doubt overlooked elsewhere.—^B. M.: Rozel, Island of Jersey. Near Brockenhurst, New Forest, Hampshire. 4. S. Kylemoriensis Cromb. Joum. Bot. 1882, p. 27-i.—Thallus none proper. Apothecia minute, very shortly stipitate or subsessile, the stipes slender, pale; capitulum turbinato-globose, black or blackish, somewhat shining ; spores simple, globulose, dark-brown, 0,004-6 mm. in diameter ; hymenial gelatine pale bluish and then sordid with iodine.— Oalicium Kylemoriense Larb. ex Leight. Linn. Trans, n. ser. Bot. 1878, p. 242, t. 23. ff. 12-14; Lich. Fl. ed. 3, p. 42. This " very beautiful new species" (Leight.) is intimately allied to S. turhinata, from which it differs merely in the paler (though often con- colorous) stipes, the smaller capitulum and spores, as also in the saxi- colous habitat. It is probably not a distinct species. Hah. On rocks in maritime tracts. Parasitic on the thalli of Lecanora pareOa and L. nitens.—Distr. Local and rare, in the Channel Islands and in Ireland.—B. M.: Island of Sark. Kylemore, co. Galway. 21. CALICIUM Pers. Ust. Ann. Bot. vii. (1794) p. 20; Nyl. Syn. i. p. 145.—Thallns thin, granulosa, pulverulent or evanescent, very rarely squamulose, or none proper. Apothecia stipitate, rarely subsessile, black; capitulum globose or turbinate; thecse evanescent; sporal mass umbrine or black ; spores spherical, ellipsoid or oblong, simple or septate, brown or blackish ; hymenial gelatine rarely tinged with iodine. Spermogones with short, oblong spermatia. The species of this genus are very rarely parasitic, and by this, as well as by the stipitate apothecia, the genus is distinguished from Sphinctrina. For the most part the plants spread extensively over the substratum, though the thallus often becomes evanescent. It is divided into two subgenera,
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Keywords: ., bookcentury1800, bookdecade189, caliciales, calicioid, chaenotheca
