178 



Mycologia 



Perithecia echinulately arranged on 

 a subglobose stroma. 

 Spores muriform. 

 Spores hyaline. 

 Spores brown. 



21. Thyronectria. 



22. Thyrqnectroidea. 



20. ECHINODOTHIS. 



12. Sphaerostilbe Tul. Fung. Carp, i: 130 (in note). 1861 



Stroma (Stilbiim, Atractium, Microcera) consisting of a 

 slender stalk with a subglobose head or conical in form; peri- 

 thecia bright colored, membranaceous, globose, subglobose or 

 ovate; asci cylindrical or subcylindrical, 8-spored; spores hyaline, 

 1 -septate, elliptical or subelliptical. 



Type species : Stilbiim aurantiacum Babingt. 



Stroma consisting of a slender stalk with a clavate or 

 subglobose head. 



Spores small, 10-14 X 4-6 mic. 1. S. gracilipes. 



Spores large, 22-26 X 7 m ic 2. S. cinnabarina. 



Stroma conical in form. 



On bark. 3. S. flammea. 



On scale insects. 4. 5". coccophila. 



i. Sphaerostilbe gracilipes Tul. Fung. Carp, i: 130. 1861 

 Strilbum gracilipes Tul. Ann. Sci. Nat. IV. 5: 114. 1856. 

 Stilbum corynoides Ellis & Everh. Jour. Myc. 1: 153. 1885. 



Stroma consisting of a slender stalk 2-3 mm. high of a 

 grayish color with a globose, orange head .5-1 mm. in diameter ; 

 conidia elliptical, hyaline, 5-6 X 2 mic. ; perithecia in dense 

 cespitose clusters 1-2 mm. in diameter at the base of the stalked 

 stroma, 15-30 in each cluster, reddish, becoming pale (in dried 

 specimens often pale yellow), 250-300 mic. in diameter, nearly 

 globose, partially collapsing or entire, slightly roughened; asci 

 cylindrical, 75-80X7-8 mic; 8-spored; spores mostly i-seriate, 

 elliptical to subfusoid, hyaline, 1 -septate, 10-14 X 6 mic, usually 

 not constricted. 



On bark of various trees and shrubs, Carya, Citrus, Hibiscus, 

 Platanus. 



Type locality : Europe. 



Distribution : S. Carolina to Florida and Louisiana. 



Illustrations : Ellis & Everh. N. Am. Pyrenom. pi. 12, f. 1-4. 



Exsiccati : Ellis & Everh. N. Am. Fungi, 213 1, 2132; Ravenel, 

 Fungi Am. Exsicc. 285; Other specimens examined : Florida, 

 Nash. 



