Name: Marasmius rhyssophyllus
Author: Mont. ex Berk. & M.A. Curtis
Citation: J. Linn. Soc., Bot. 10(no. 45): 294 (1868) 1869
Dictyoploca rhyssophylla (Mont.) Baker & Dale, Mycol. Pap. Commonw. Mycol. Inst. 33, 1951
Marasmius rhyssophyllus Mont. apaud Berk., J. linn. Soc. (Bot.), 10, 294, 1869.
Pileus up to 3 cm. diameter, convex, often somewhat umbilicate at the centre, light cadmium to lemon-chrome; flesh light yellow, thin. Gills rather crowded, of three to four lengths, narrow, slightly decurrent, closely and reticulately interveined, concolorous. Stipe slightly enlarged at base and apex, 2-3mm. thick, hollow, smooth, concolorous. Spores elliptical, non-amyloid, 6-8 × 4-4.5µ. Pileus surface formed of radiating hyphae, 5-6µ wide, their terminal cells often swollen to 30 × 12-13µ. Trama non-amyloid. Gill edge sterile, covered with thin-walled, irregular, vesicular hairs about 40 × 15µ. (Pl. 22, fig. 15.)
Caespitose on logs
Collections seen.—Trinidad: Cerro del Aripo 18 June 1947, R. E. D. Baker 1499; roadside forest north of Erin, 6 November 1949, Dennis 303.
D. heterophylla Heim from Guadeloupe is a probable synonym.
Dennis, R.W.G. “Some Agaricaceae of Trinidad and Venezuela. Leucosporae: Part I.” Transactions of the British Mycological Society 34 (1951): 473-474.
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