327. (36) B. murale. Wils. St. ¼in. tufted, branched; l. ovate-lanceolate, concave, shortly pointed, margins plane; loosely imbricate; caps. oblong-pyriform pendulous, deep purple or almost black when ripe; neck tapering; lid large mammillate.

Mortar of old walls. V. VI.

Marple, Killarney, N. Wales, Oxford, 1863 (H. Boswell).

328. (37) B. sanguineum. Ludwig. St. ¼in.; l. distant, ovate-lanceolate pointed, generally serrulate at apex, margins scarcely recurved; caps. oblong or pyriform pendulous, blood-red when ripe; lid pointed.

Heathy ground and walls., VI. VII.

var. β. radiculosum. caps. obconical, seta geniculate at base.

329. (38) B. erythrocarpon. Brid. non Schw. (B. atropurpureum. W. & M.) St. ¼–½in. branched; l. erecto-patent, ovate concave, pointed, margin reflexed, entire, lower often reddish; caps. oval or oblong, neck not tapering, pendulous, dark red or purplish when ripe; lid conical pointed.

Banks and walls. V.

330. (39) B. apiculatum (?) Schw. (There seems some doubt as to what the barren form found on the Slemish mountains is; I give Wilson’s description from Bry. Brit., p. 245.) “L. erecto-patent when dry, elliptic-lanceolate, concave, nerved to apex.”

Sect. V.