Index Fungorum no. 337

Effectively published 08/06/2017 07:01:51  (ISSN 2049-2375)

Nomenclatural novelties : Christophe Lécuru

Entoloma courtecuissei Lécuru, sp.nov.
Species near Entoloma serrulatum, but differs by its pileus up to 0.8–1.5 cm diam., convex with small umbo or blunt, never depressed, uniformly coloured very dark blue almost black (remaining totally black even on exsiccata), rugulose all over (similar to some Pluteus spp. of the section Cellulodermi). Lamellae deep grey then pink, with blackish-blue serrulate edge. Stipe dark grey-blue, polished, with whitish base. Flesh without flavor, odorless. Basidiospores 9–10.5 × 6–7 µm. Basidia 30–35 × 6–14 µm, clavated. Lamella edge sterile as E. serrulatum with blackish blue intracellular pigment. Pileipellis a hymenium of long chains of relatively short inflated elements with intracellular pigment. Clamp-connection absent.
    Holotype LIP, RC/F92.158.
Additional descriptions, see Courtecuisse, 1993, Documents Mycologiques 89: 32-34, under the name Entoloma serrulatum var. nigrovenosum ad interim (nom. inval.), see as well, Roux, 2006, Mille et un champignons, p. 663

Entoloma decaryi Lécuru, nom.nov.
    Replaced synonym: Rhodophyllus subsericellus Pat., Bull. Mus. natn. Hist. nat. Paris: 30(6): 528 (1924).
    Competing synonym: Entoloma subsericellum Murrill, N. Amer. Fl. (New York) 10(2): 114 (1917).

Entoloma patouillardii Lécuru, nom.nov.
    Replaced synonym: Rhodophyllus cuspidatus Pat., Bull. Mus. natn. Hist. nat. Paris: 30(6): 528 (1924).
    Competing synonym: Entoloma cuspidatum Sacc., Syll. fung. (Abellini) 5: 688 (1887).