CONIOPHORELLA. FISTULINA. MUCRONELLA 629 



between Saccardo's olive, huffy citrine and Isabella colour, thinly effused, 

 following the inequalities of the matrix, adnate ; margin whitish, very 

 thin. Hymenium concolorous, tomentose, setulose. Flesh brownish, 

 loose, thin. Spores olivaceous, or yellow brown, elliptical, flattened 

 on one side, obtuse, or pointed at the one end, 9-13 x 4-8 fi; basidia 

 elongated, tapering gradually downwards, 40-80 x 7-8 /x, with. 4 

 curved sterigmata, 5-8 /x, long. Cystidia brownish, paler and blunt 

 at the apex, 160-290 x 12-18/u, projecting about 75-130/t, many- 

 septate, slightly constricted at the septa. Basal hyphae clear dark 

 brown, 4-7 /j, in diam., branched, frequently septate with, clamp con- 

 nections. Nov. Jan. Uncommon, (v.v.) 



C. byssoidea (Pers.) Bres. = Peniophora byssoidea (Pers.) v. Hoehn. & 

 Litsch. 



4. FlSTULINACEAE. 



Hymenium inferior, lining free and separate tubes. 



Pistulina (Bull.) Fr. 

 (Fistulina, a little pipe.) 



Pileus fleshy, subgelatinous in the upper layer, stipitate, or sessile. 

 Stem lateral, or none. Tubes at first papillose, then cylindrical, dis- 

 tinct and free from each other. Spores coloured, elliptical, smooth. 

 Conidia present in the tissues. Growing on wood. 



2131. F. hepatica (Huds.) Fr. Berk. Outl. t. 17, fig. 1. 



r)TraTiKo<;, belonging to the liver. 



P. 5-30 cm., blood red, pale purplish red, liver colour, or chocolate, 

 becoming blackish, roundish, dimidiate, or subspathulate, sessile, or 

 stipitate, rough, thick, fleshy, viscid. St. when present, 3-7 x 2- 

 4 cm., concolorous, punctate. Tubes pallid, becoming reddish, separate', 

 orifice of tubes pale, round. Flesh reddish, marbled like beet root, 

 fibrous, distilling a red pellucid juice, 2-3 cm. thick. Spores pink, 

 subglobose, 4-5-5 x 4/A, with a large central gutta. Taste somewhat 

 acrid, especially when young. Edible. On trunks of trees, oak, ash, 

 walnut, willow, beech, sweet chestnut, hornbeam, elm. Aug. Nov. 

 Common, (v.v.) 



5. HYDNACEAE. 



Hymenium spread over the surface of spines, granules, warts, or 

 other protuberances, or quite a smooth surface, with the intervening 

 spaces fertile. Receptacle fleshy, coriaceous, waxy, crustaceous, or 

 floccose, rarely none. 



Mucronella Fr. 

 (Mucronella, a little sharp point.) 



Receptacle none, consisting of a floccose, fugacious mycelium. 

 Spines simple, cylindrical, subulate, acute, scattered, or fasciculate, 



