. Synopsis of the British Basidiomycetes ; a descriptive catalogue of the drawings and specimens in the Department of botany, British museum. s and stumps. 2g x 4J X \ sometimes 5 in. in diam. Sometimes placed in Bolbitius. 844. H. pilulseforme Gill, (from the appearance of the pileus, like a little ball, pilula) even, smooth, fuscous, ochreous when dry. St. fistulose,white. V. annulate in young examples. G. adnexo-ascending,fuscous. Crespitoso-crowded. Mossy trunks ; rare. Autumn, f x ij X ^ in. XXXVII. PSILOCYBE Quel. (From the naked pileus, owing to the usually obso
. Synopsis of the British Basidiomycetes ; a descriptive catalogue of the drawings and specimens in the Department of botany, British museum. s and stumps. 2g x 4J X \ sometimes 5 in. in diam. Sometimes placed in Bolbitius. 844. H. pilulseforme Gill, (from the appearance of the pileus, like a little ball, pilula) even, smooth, fuscous, ochreous when dry. St. fistulose,white. V. annulate in young examples. G. adnexo-ascending,fuscous. Crespitoso-crowded. Mossy trunks ; rare. Autumn, f x ij X ^ in. XXXVII. PSILOCYBE Quel. (From the naked pileus, owing to the usually obsolete veil;Gr. fisilos, naked, kube, a head.) Veil very fugacious, usually obsolete. Hymenophore confluentwith, but heterogeneous from the cartilaginous stem. Pileus moreor less fleshy, smooth; the margin at first incurved. Stem central,fistulose or stuffed, subcartilaginous, rigid or tough, often rooting,simple. Gills becoming fuscous, brownish or purplish. (Fig. 46.) Psilocybe AGARICACEzE I85 Nearly all the species grow on the ground and are gregariousand sometimes ceespitose, a few grow on dung; they are inodorousand none are Fig. 46.—A, Psilocybe semilanceata Quel. ; B, 6. spadicca and in section. One-half natural size. Psilocybe agrees in structure with Collybia, Leptonia, Naucoriaand Pa/iceolus. Species 845—871 a. Tenaces. Veil rarely conspicuous. Pileus pelliculose, slightly viscid in wet weather, bright in colour, becoming pale. Stem with a thick tough bark, flexile, usually ventricose, not decurrent. 845—854 Gills plane, very broad behind, subdecurrent 855—860 Gills ascending sublinear. 861, 862 b. Rigidce. Veil obsolete. Pileus scarcely pelliculose, flesh usually scissile, hygrophanous. Stem rigid. Gills adnexed,rarely adnate. 863—871 a. Tenaces. 845. P. sareoeephala Gill, (from the fleshy pileus; Gr. sarx, flesh,kephale, the head) a b. P. expanded, obtuse, dry, pale tawny, salmon or pale ferruginous. St. whitish to rusty.
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