New or Rare British Fungi. Carleton Rea. 323 



with bistre, below the ring, striate above. Ring whitish, becoming 

 tinged with bistre at the edge, m(.>mbranaccous, superior, often 

 fugacious. Gills white, becoming yellowish, 3-4 mm. wide, ventri- 

 cose, free, crowded. Flesh white, often tinged with fulvous at 

 the base of the stem, thick at the disc, very thin at the margin 

 of the pileus, floccose. Smell and taste none. Spores white, 

 elliptical, 6-7 x 3-4/x, contents granular. Cystidia hyaline, cla- 

 vato-cylindrical, 28-30 x 6/x, sparse. 



On the ground, Benthall, Shropshire, 29th September, 1918. 



Easily distinguished from Lcpiota clypcolaria (Bull.) Fr. by 

 the minute, separable, bistre scales on the pileus, the white, 

 squamulose stem, and the much smaller spores. 



Tricholoma inodermeum Fr. Fr., Monogr. i, 66. 



Specimens of this rare Agaric were collected by Mr W. B. 

 Allen, at Wood Norton, Worcestershire, on the 12th October, 

 1918. The spores are hyaline, elliptical, obtuse at both ends, 

 more rarely with a basal apiculus, 8-9 x 5/i,, 3-4-guttulate. 

 Cystidia none. 



Pleurotiis serotinus (Schrad.) Fr., var. Almeni (Fr.) Big. & 

 Guill. Big. & Guill., Fl. des Champ. Super, de France, 11, 120; 

 Fr., Hym. Eur. 176; Fr., Icon. t. d,y, fig. 3, as Agaricus [Plenro- 

 tus) Almeni Fr. 



Differs from the type in its larger size, the tawny fuscous 

 pileus and paler stem and gills. Spores white, sausage-shaped, 

 5-6 x i-St^. 



On a fallen log. West Kilbride, Ayrshire, 25th November, 

 1918, Mr R. B. Johnstone. 



Mycena atrovirens Rea, v. PI. VII. 



Pileus 8 mm. latus, centro atrovirens, margine striato albidus 

 pallidusve, circa marginem laete viridis, carnosulus, hemisphaeri- 

 cus, levis, centro primitus subviscidus. Stipes 3 cm. longus, 

 I mm. crassus, cinereus vel griseo-fuligineus, aequalis, fistulosus, 

 levis. Lamellae albidae, acie minute denticulatae et virides prae- 

 cipue versus marginem pilei, adnatae, 2 mm. latae, subdistantes, 

 antice attenuatae. Caro fusca, tenuis, inodora et insapora. 

 Sporae hyalinae, ellipticae, utrinque vel oblique acutatae, 5-6 

 x 3-4/x, minute punctatae; basidia clavata, 23-25 x 6-7/z, 4- 

 sterigmatibus. Cystidia -acie lamellarum numerosa, saepe fasci- 

 culata, longe subclavata vel cylindracea, 35-40 x 3-4/Lt, flexuosa, 

 succo chlorino repleta, tenuiter tunicata. 



Ad truncos Fagi sylvaticae, Leeds, 26th October, 1919, Coll. 

 F. A. Mason. 



Easily known amongst the Calodontes by the green edge of 

 the gill. 



