622 MERULIUS 



2100. M. paUens Berk. Fallens, pale. 

 R. 4-8 cm., pale reddish, resupinate, adnate, inseparable', margin 



indeterminate. Folds concolorous, poriform, minute. Flesh subgela- 

 tinous, thin. Spores white, globose, 4/A. Fir, and oak branches. Sept. 

 Dec. Rare, (v.v.) 



2101. M. Cannichaelianus (Grev.) Berk. Grev. Scot. Crypt. Fl. t. 224, 

 as Polyporus Carmichaelianus Grev. 



Captain Dugald Carmichael, a friend of Greville. 

 R. 2-5-10 cm., white, becoming pinkish brown when dry, resupinate, 

 irregularly effused; margin byssoid, laciniate. Folds concolorous, 

 forming regular, hexagonal reticulations or pores, very shallow. Flesh 

 membranaceous, very thin. Spores white, "globose, very minute" 

 Grev. Bark. Rare. 

 M . crispus (Pers.) Quel. = Plicatura crispa (Pers.) Rea. 



**Spores coloured. 

 fP. effuso-reflexed. 



2102. M. lacrymans (Wulf.) Fr. Rolland, Champ, t. 98, no. 216. 



Lacrymans, weeping. 



R. 5-50 cm., yellow ferruginous, effuso-reflexed, more rarely arising 

 from a stalk-like central tubercle; margin white, tomentose, swollen. 

 Folds concolorous, porous, gyroso-toothed, large. Flesh greyish white, 

 spongy-fleshy, slightly moist, exuding drops of water when growing, 

 2-12 mm. thick. Spores reddish rust colour in the mass, yellow under 

 the microscope, elliptical, often subapiculate at the base, 8-10 x 5- 

 6/n, 1-guttulate. Cystidia none. Hyphae either yellowish, thick walled, 

 5-6/i in diam., or hyaline, 3-5-4-5/x in diam., septate, with clamp 

 connections. Smell often strong. Worked wood in buildings, logs in 

 timber yards, rarely on stumps, and on the ground. Jan. Dec. 

 Common, (v.v.) 



var. minor Falck. (= Merulius lacrymans (Wulf.) Quel.) 



Minor, smaller. 



Differs from the type in the smaller, elliptical spores, 5-6 x 4-4-5/>i. 

 Dead wood, and on the ground. July Oct. Not uncommon, (v.v.) 



var. Guillemotii Boud. Boud. Icon. t. 165. Jules Guillemot. 



Differs from the type in the well developed, dimidiate, imbricate pilei. 

 Worked wood. June Oct. Not uncommon, (v.v.) 



var. puiverulentus (Fr.) Quel. (= Merulius pulverulentus Fr.) 



Pulverulentus, full of dust. 

 Differs from the type in being membranaceous, becoming even, zoned, 



