ASCOMYCETES 379 



Dasyscypha, Fries. Ascophore minute, shortly stipitate 

 or sessile, closed at first, gradually expanding externally, 

 and the margin pilose or downy; asci cylindric-clavate, 

 8-spored; spores irregularly 2-seriate, hyaline, smooth, 

 narrow, and elongated, continuous or i -septate at maturity; 

 paraphyses lanceolate or cylindrical, often longer than the 

 asci. 



Dasyscypha calycina, Fuckel. Caespitose, gregarious, or 

 scattered, narrowed into a short, stout, stemlike base, rather 

 fleshy, up to i line broad; disc orange-yellow; externally 

 white, villose ; asci subcylindrical ; spores hyaline, elliptic- 

 fusiform, continuous, 18-25x6-8 // ; paraphyses slender, 

 cylindrical. 



Sclerotinia, Fuckel. Ascophore solitary or gregarious, 

 springing from a sclerotium, stipitate, at first closed, 

 gradually expanding until saucer-shaped or plane, glabrous, 

 brown ; asci narrowly cylindrical, 8-spored ; spores obliquely 

 i-seriate, hyaline, continuous, and smooth; paraphyses 

 slender. 



Conidial form (=Botrytis and Monilia) often present; 

 ascophore absent in some species, the conidial form 

 absent in others. 



* Ascigerous and conidial forms known. 



Sclerotinia fuckeliana, Fuckel, Symb. Myc., p. 320. 

 Ascophores 1-3 springing from a small sclerotium, soon 

 plane, 0*5-3 mm. broad, yellowish-brown ; stem very slender, 

 5-10 mm. high; asci cylindric clavate, 130X12-13 /u ; 

 spores elliptical, hyaline, 10-11 X 6-7 \i. 



Conidial form ( = Botrytiscinerea, Pers.). Sterile hyphae 

 creeping, fertile, erect, gregarious, simple or sparingly 



