SCLEROTIXIA. 27f» 



slender, hyaline, septate, about 2-o fi. thick at the tip, some- 

 times branched. 



Sclerotinia pseudotvherosa, Eehm, Krypt.-FL, Disc, p. 803, 

 figs. 1-5, p. 800. 



Hymenoscypha psen.idoti]Aerosa,V]i\L, Brit. Disc, p. 119, pi. 5, 

 fig. 25. 



On fallen, decayed acorns. 



Specimen examined in Eehms Ascom., n. 106 a, b. 



SCLEEOIIXIA. Fuckel. 



Ascophores solitary or gi-egarions, springing from a sclero- 

 tium, stipitate, at first minnte and closed, Igradnally growing- 

 and expanding, until finally almost or quite plane, glabrous, 

 brown; hypothecium and excipulum formed of intricately 

 wefted hyphae ; asci elongated, narrowly cylindrical, 

 8-spored; spores obliquely 1-seriate, hyaline, smooth, con- 

 tinuous ; paraphyses present, slender. 



Sclerotinia, Fuckel, Svmb. Mrc, p. 330; Sacc, Syll., viii. 

 n. 195. 



Symenoscypka, Phillips, Brit. Disc. 



Peziza, of many authors. 



Closely allied to Giboria, differing more especially in 

 growing from a sclerotium.! In some species a conidial 

 condition is known, belonging to the form-genus Botryiis. 



* GroicliKj on Dicotyledons. 



Sclerotinia tuberosa. Fckl., Symb. Myc, p. 331; 

 Eehm, Krypt.-JFlora, Disc, p. Sll, figs. 1-5, p. 8Ci2 ; Sacc, 

 Syll., yiii. n. 797. 



Ascophores 2-6 springing from an irregularly elliptical or 

 subglobose sclerotium up to 3 x 1 " 5 cm., buried in the 

 ground, externally black, inside white ; ascophore at first 

 pear-shaped and closed, then funnel-shaped, finally becoming 

 almost plane, bright brown, edge entire, thin, 1-3 cm. across ; 

 hypothecium and excipulum, consisting of pale brown, 

 sparsely septate, branched, intricately interwoven hyphae, 

 cortex similar in strnctnre, darker brown; stem 2-7 cm. 

 long, 1 • 5-3 mm. thick, often flexuous, brown ; asci cylindri- 



