cum icone, with a figure. = loco citato, in the place quoted. exs. = exsiccati, dried specimens. μ = the Greek mu, indicates micromillimetres, one of which = .001 mm. = 25100 of an inch. ! denotes that the plant has been examined by the author, and seen A MANUAL OF THE BRITISH DISCOMYCETES. DISCOMYCETES. Fries. RECEPTACLE cupulate, applanate, mitrate, stipitate, sessile, or immersed; hymenium superior, more or less exposed; substance fleshy, waxy, gelatinous, or rarely cartilaginous; asci cylindrical or clavate, containing usually 8 sporidia (rarely 4, 16, 32, or more). Name From Síoкos, a disc, and μúÊns, a fungus. Order I.-HELVELLACEI. Fries. Receptacle vertical, stipitate, pileate, mitrate, or claviform; bearing the hymenium on the upper surface, which is always exposed; substance between fleshy and waxy, rarely gelatinous. Name-From the typical genus, Helvella. ARRANGEMENT OF THE GENERA. 5. Pilcus globose or subclavate, margin contiguous with Mitrula. Receptacle stipitate, pileate, clavate, globose, or conical; clothed above by the deeply folded and pitted hymenium ; substance between waxy and fleshy; asci cylindrical; containing (in British species) 8 sporidia. (Plate I. fig. 1.) Large fungi, 2 to 10 inches high, growing on the ground in spring; firm, not soon decaying, with rather a pleasant odour, and esculent. The deep, angular pits on the hymenium readily distinguish them from their allies. Name-Latinized from the German Morchel. Pileus with primary longitudinal ribs and squarish 2 423 conica. 2. Pileus without primary longitudinal ribs, pits some- esculenta. Pileus subconical, brown 3. crassipes. Pileus subglobose, tawny Smithiana. Stem very large and pruinose gigas. 4. Stem smaller and nearly even semilibera. A. PILEUS ADNATE AT THE BASE. 1. Morchella esculenta. (Linn.) Pileus round, ovate, or oblong, adnate at the base to the stem; ribs firm, anastomosing, intervals forming pits; stem even; asci cylindrical; sporidia 8, elliptic, 20-22 × 10μ; paraphyses filiform, slightly thickened above. (Plate I. fig. 1.) Phallus esculentus-Linn., "Suec.," 1262; Schæff., t. 199; Bolt., t. 91. Morchella esculenta-Pers., l. c.; Fries, Sys. Myco.," ii. p. 6; Tratt., "Essb. Schw.," p. 268, f. EE ; Harzer, t. 50; Favre-Guill., 47; Vitt., "Mang.," t. xiv. f. 5, xiii. f. 1-3; Lenz, figs. 64, 65; Rabh., "Krypt. Flo.," i. p. 382; Hussey, i. t. 13; Badham, t. 12, f. 6; Fries, “ At. Sv.," t. 54; Cooke, "Handbk.," p. 655, c. i.; “Mycogr.," f. 312, 313; Karst., "Myco. Fenn.," p. 32; Quelet, Champ.," pt. i. p. 382; Gill., “Champ.,” p. 15, c. i. 66 Exsiccati-Cooke, "Fung. Brit.," ed. i. 645, ed. ii. 181; Fckl., “F. Rh.," 1243; Karst., "Fung. Fenn.," 139; Phil., “Elv. Brit.," 1; Rav., "Fung. Car.," i. 36; Rehm., "Asco.," 501; Thum., "Mycoth. Univ.," 714; Ellis, "N. A. Fungi," 979. Odour faint, taste grateful. Stem rarely hollow, or, except in the young state, stuffed; one inch long (but very variable); soft, white, squamulose on the surface; not truly striate, sometimes equal, sometimes attenuate; pileus more or less ovate, obtuse; ribs frequently anastomosing, without transverse ribs; but as regards form, magnitude, and colour, very variable (Fries, l. c.). On the earth in spring and summer. Blair Athol (Dr. Greville); Castle Rising, Norfolk! Terrington, Norfolk (C. B. Plowright). Witchingham, Norfolk (Mr. F. Norgate). Fotheringhay (Rev. M. J. Berkeley). Cambridge (Mr. J. Ball). Audley End (Rev. J. Leefe). Warwick (Mr. Spencer Perceval). Stainton, Cumberland; Ambrose, Cumberland (Dr. Carlyle). |