324 Transactions British Mycological Society. 



Mycena dilatata Fr. Fr., Hym. Eur. 151; Fr., Icon. t. 84, 

 fig. 3. See PL VII. 



Wholly white. Pileiis 5-10 mm. wide, membranaceous, con- 

 vexo-plane, obtuse, smooth; margin striate. Stem 10-15 mm, 

 long, T mm. thick, fiHform, straight, arising from a convex, 

 smooth, glabrous, orbicular disc. Gills -5-1 mm. wide, sublinear, 

 attached to a free collar behind. Flesh white, thin. Spores white, 

 oblong, obtuse at both ends, 7-8 x y^jx. Cystidia hyaline, cla- 

 vate, obtuse, or produced into an acute point, 70-80 x 5-7/u.. 



On dead twigs, Highlow Wood, Derbyshire, 24th September, 

 1919. 



Easily known amongst the Basipedes group by the gills being 

 attached to a free collar. 



Marasmius obtusifolius Rea, v. PI. VII. 



Pileus 1-2 cm. latus, albidus, centro fulvus, membranaceus, 

 convexo-planus, papillatus, levis, sulcatus; margine primitus in- 

 voluto. Stipes 2-4 cm. longus, i mm. ctslssus, fulvus, apice albus, 

 aequalis, solidus, minute velutinus. Lamellae pallidae, adnatae, 

 postice annulato-conjunctae, 2 mm. latae, valde distantes, aequa- 

 les, obtusissimae , crassae, acie sub lente cystidiis prominentibus 

 dense fimbriatae. Caro alba, lenta, tenuis, inodora et insapora. 

 Sporae hyalinae, late ovatae, vel subglobosae, 14-15 x io-i2)u,, 

 intus guttula media, crassa repletae, crassiuscule tunicatae; ba- 

 sidia clavata, 2-4-sterigmatibus. Cystidia numerosa, fusideo- 

 ventricosa, 95-140 x 17-25/^, apice capitata, 14-18/u. in diam., 

 tenuiter tunicata. Cuticula pilei cellulis subglobosis, vel sub- 

 pyriformibus, 20-23/^ in diam. 



Ad radices Carpini Betuli, Epping Forest, Essex, i8th October, 

 1919, Coll. C. H. Grinling. 



Easily known by the blunt, Cantharellus-like gills which are 

 densely ciliate on the margin under a lens with the projecting 

 cystidia, and the large, broadly ovate, or subglobose spores. It 

 should be placed after Marasmius torquescens Quel. 



Pluteus phlebophorus (Dittm.) Fr. var. albo-farinosus Rea. 



A typo differt apice stipitis albo-farinoso. Cystidia hyaline, 

 clavate, 25-35 x io-i2/x. 



On rotten wood, Shrawley Wood, Worcestershire, 12th Octo- 

 ber, 1919, Miss Violet Rea. 



Leptonia euchlora (Lasch.) Fr. Fr., Hym. Eur. 204; Bond., 

 Icon. Myc. iv, 50, t. 99. 



Pileus I •5-3*5 cm. wide, olivaceous, becoming paler, submem- 

 branaceous, campanulato-convex, then plane, fuscous fibrillose, 

 subsquamulose , especially at the darker, finally depressed disc. 



