1 12 BRITISH DISCOMYCETES. 



or cylindrical ; sporidia often in two rows ; texture 

 fibroso- cellulose. (Plate V. figs. 24-27.) 



Growing on twigs, fruit, and very often on stems of 

 plants (Fries, "Sys. Myco.," ii. p. 117). 



Name uju//v, a membrane, and O-KU^OC, a cup ; from 

 the membranaceous character of the cup. 



ARRANGEMENT OF THE STJBGENERA. 



I. Sclerotinia . . . . . . . . . . 1-7 



II. Ciboria . . . . . . . . . . . . 8-19 



III. TrichoscypJia . . . . . . . . 20 



IV. Cyathoidea .. .. .. .. .. .. 21-50 



KEY TO THE SUBGENERA. 



Growing from a conspicuous sclerotiuni . . . . Sclerotinia. 



Epiphytal, having no distinct sclerolium . . 1 



, (Margin furnished with hair-like processes . . . . Trichoscypha. 



' (Margin without hair-like processes . . . . 2 



Cups rather large, growing on dead fruit or the in- 

 florescence of plants or twigs . . . . . . Ciboria. 



Cups small (rarely exceeding 3 lines in height) grow- 

 on wood, herbaceous stems, and fruit . . . . Cyathoidea. 



2. 



SUBGENUS I. SCLEROTINIA. (Fckl., " Symb. Myco.," 



p. 330.) 



Cup rather large, or rather small, long stemmed, arising 

 from a sclerotium, more or less infundibuliform, fleshy, 

 marginate, at length more expanded, for the most 

 part glabrous ; asci elongated, 8-spored ; sporidia ovate, 

 oblong-ellipsoid, hyaline, guttulate, continuous ; para- 

 physes filiform (Fckl.). (Plate V. fig. 24.) 



Name Sclerotium, a tuberous fungus. 



ARRANGEMENT OF THE SPECIES. 



A. Sporidia elliptic .. .. .. .. species 1-2 



B. Sporidia cymbiform . . . . . . . . 3-4 



c. Sporidia oblongo-fusiform . . . . . . 5 



D. Sporidia cylindrical . . . . . . . . 6-7 



KEY TO THE SPECIES. 



Sporidia elliptic . . . . . . . . . . 1 



Sporidia cylindrical . . . . . . . . . . 4 



