GANODERMA 597 



Ganoderma (Karst.) Pat. 

 (ydvos, shining; Sep/jui, skin.) 



Pileus corky, stipitate, or sessile, covered with a resinous, laccate 

 crust. Stem lateral, rarely central, or none. Tubes heterogeneous, 

 often stratose. Flesh coloured. Spores coloured, elliptical, ovate 

 oblong, or obovate, truncate at the base, smooth, punctate, verrucose, 

 or echinulate, thick-walled. Cystidia none, or very rare. Annual or 

 perennial. Growing on wood, rarely on the ground. 



*Spores verrucose. 



1987. G. lucidnm (Leyss.) Karst. Grev. Scot. Crypt. Fl. t. 245, as 

 Polyporus lucidus. Lucidus, shining. 



P. 5-28 cm., light yellow, becoming blood-red-chestnut, more or less 

 reniform, sometimes flabelliform, rarely orbicular, or imbricate and 

 sessile, polished, shining, sulcato-rugose. St. 5-18 x 1-5 cm., con- 

 colorous and shining like the p., lateral, rarely central, sometimes 

 wanting, rugose. Tubes white, then cinnamon, adnate, 4-12 mm. long; 

 orifice of pores white, becoming discoloured, minute, round. Flesh 

 whitish, at length reddish, spongy, becoming corky and woody, zoned. 

 Spores brown, minutely verrucose, elliptical, truncate at the base, 

 10-12 x 6-8 n, with a large central gutta. At the base and roots of 

 elms, oaks, hornbeams, and also in peat beds. July April. Common. 

 (**) 



1988. G. applanatum (Pers.) Pat. (= Polyporus applanatus (Pers.) 

 Fr.) Applanatum, flattened. 



P. 10-40 cm., cinnamon, margin white, becoming hoary, and often 

 dusted with the spores, dimidiate, or orbicular, often imbricate, 

 attached by a broad base, flattened, tubercular, obsoletely zoned, pul- 

 verulent, or smooth, covered with a laccate crust. Tubes ferruginous, 

 1-4 cm. long, stratose ; orifice of pores white, becoming fuscous when 

 bruised, minute, round, or angular. Flesh cinnamon, becoming paler, 

 very firm, thick. Spores ferruginous, minutely echinulate, broadly 

 elliptical, truncate at the base, 9-13 x 6-8/n, 1-guttulate. Beeches, 

 oaks, and ashes. July March. Common, (v.v.) 

 var. vegetum (Fr.) Komell. Vegetum, vigorous. 



Differs from the type in the white mycelial layer interposed between 

 each stratum of the tubes. Limes, and elms. Jan. Dec. Uncommon. 

 (v.v.) 



var. laccatum (Kalchbr.) Rea. (= Polyporus resinosus (Schrad.) 

 Quel.) Lac, a resinous excretion left by the lac insect. 



Differs from the type in the yellow orifice of the pores. Beeches. 

 July Oct. Not uncommon (v.v.) 



