188 



Mycologia 



On dead limbs of Gelsemium and stems of Ilex. 

 Type locality: South Carolina. 

 Distribution : New Jersey to Alabama. 



Exsiccati : Ellis, N. Am. Fungi, 80; Ravenel, Fungi Am. 

 Exsicc. 341. Other specimens examined: Alabama, Earle; New 

 Jersey, Ellis. 



The species is distinguished by the dense clusters of collapsing 

 perithecia and the small size of the spores. 



7. Creonectria mammoidea (Phil. & Plow.) 

 Nectria mammoidea Phil. & Plow. Grevillea 3 : 126. 1875. 



Perithecia cespitose in clusters 1-3 mm. in diameter or more or 

 less scattered, surrounding a brownish stroma, very large, averag- 

 ing about 500 mic. in diameter, ovate, tapering above into a large, 

 obtuse ostiolum, bright red with ostiolum often darker, shining, 

 entire ; asci cylindrical or slightly clavate, 100 X 7-8 mic, 8- 

 spored; spores 1 -seriate or partially 2-seriate above, oblique, sub- 

 fusoid, i-septate, usually slightly unequal-sided, 18-20 X 6-7 mic. 



On wood and bark. 



Type locality: England. 



Distribution: New Jersey to Ontario. 



Illustrations : Grevillea 3 : pi. 42, f. 5. 



Specimens examined: New Jersey, Ellis; Ontario, Macoun; 

 also specimens from the herbarium of Plowright. 



8. Creonectria coccinea (Pers.) 

 ? Sphaeria decidua Tode, Fungi Meckl. 2:31. 1791. 

 Sphaeria coccinea Pers. Ic. et Descr. 2 : 47. 1800. 

 Nectria coccinea Fries, Summa Veg. Scand. 388. 1849. 



Stroma yellowish, springing from the crevices of bark in 

 irregular patches ; perithecia cespitose in dense irregular clusters 

 often several mm. in diameter, or occasionally scattered around 

 the stroma; individual perithecia ovate with a prominent ostiolum, 

 bright red, almost scarlet, color somewhat variable, smooth or 

 very minutely roughened, mostly entire, about 300 mic. in di- 

 ameter ; asci cylindrical or clavate, 8-spored, 80-90 X 8-10 mic. ; 

 spores i-seriate, fusoid, 12-16 X 4-5 mic. 



On bark or more rarely on decorticated wood, Acer, Fagus, 

 Fraxinus, Magnolia, Melia, Ulmus, etc. 



Type locality: Europe. 



