446 



TREMELLINACE/E 



Hirneola 



XCVIII. HIRNEOLA Fr. 



(From the jug-shape when young ; hirnea, a jug.) 



Gelatinous or cartilagineo-gelatinous, soft and tremelloid when 

 moist, cup- or ear-shaped. Hymenium gelatinous, even or plicate, 

 barren under-surface minutely velvety, attached by a point, coriaceous 



Fig. 113. — a, B, Hirneola Aitricula-yiidtf Berk., entire and in section. One-half natural size, 

 c, basidium and spores ; d, spores germinating and producing sporidiola ; e, sporidiola 

 germinating. X 500. 



and membranous when dry, reviving with moisture. Basidia rod- 

 shaped or fusoid, transversely septate, each cell bearing a single 

 monosporous stengma. Spores oblong, curved, becoming 1-3 

 septate and on germination producing minute sporidiola, sometimes 

 on septate promycelium. (Fig. 113.) 



2003. H. Aurieula-Judse Berk. (" Jew's-ear ") a b c. 



P. thin, concave, flexuous, somewhat veined, tomentose, brown 

 flesh-colour to reddish-brown or blackish. Hym. venoso- 

 plicate, glossy salmon, warm brown or reddish, purple-black 

 when dry. 



Caespitose. Trunks, elder, elm, willow, walnut, oak, holly, Robinia ; 

 frequent. Jan. -Dec. 3 in. Much like Peziza vesiculosa in appearance 

 when young. Formerly used as a remedy for dropsy. Eaten by inhabi- 

 tants of Ukraine. 



