Pound and Clements: north American hyphomycetes. 661 



Contains 14 species reported from the United States, as here 

 limited. 



Clasterosporium olivaceum E. & E. Proc. Acad. Phil. 1893: 

 463. 1893, not G. olivaceum (Wallr. ) Sacc. Syl. Fung. 4:390. 

 1886, must be altered. We suggest the name Clasterosporium 

 elaeodes. 



44. CERATOSPORIUM Schw. Syn. Fung. Am. Bor. 300. 



1834. 



Vegetative hyphae creeping or obsolescent; sporophores ob- 

 solete; conidia many-septate, hyaline or fuscous, digitately fas- 

 ciculate, more or less united at the base, clavate cylindrical. 



1 species is reported from the United States. 



45. SEPTOSPORIUM Corda. Sturm. Deutsch. Crypt. Flor. 



in. 12:33. 1831. 



Vegetative hyphae obsolete; sterile hyphae simple, elongate, 

 fuscous, erect, intermingled with the sporophores; sporophores 

 short, simple, pedicel like, concolorous; conidia muriform sep- 

 tate, fuscous, ovate to limoniform. 



7 species are reported from this country. 



46. STIGMINA Sacc. Mich. 2 : 22. 1880. 



Vegetative hyphae obsolete; sporophore simple, short, 1 — 2 

 celled, often reduced to a mere pedicel or rarely wanting; con- 

 idia acervulate or discrete, erect, many-septate, inappendiculate, 

 ovoid, elliptical- oblong, or fusoid; saprogenous or phyllogen- 

 ous. 



As here limited, contains 10 species reported from the United 

 States. Several species described under Sporodesmium and 

 placed in Clasterosporium by Saccardo are to be placed here: 



Stiomina atra (Lk.) 



Sporodexin i u m atnim Lk. Obs. Myc. 1:39. 1809. 



Clasterosporium atrum Sacc. Syl. Fung. 4:386. 1886. 

 Stigmina caespitulosa (E. & E.) 



Clasterosporium caespitulomtn E. & E. Journ. Myc. 5:70. 1889. 

 Stiomina capsolarum iThuem.i 



Sporidetmium capeularum Thuem. Flora 61: 177. 1878. 



Clasterosporium eapsulorum Sacc. Syl. Fung. 4:388. 1886. 

 Stigmina clavui,ata (Cke. & Harkn.) 



Bactrode8mium clai'tdatum Cke. & Harkn. Grev. 12:95. 1884. 



Clafteroxporium clalwiatum SACC. Syl. Fung. 4: 390. 1886. 

 Stiomina larvata (C. & E.) 



Sporidesmium larvatum 0. & E. Urev. 6: 86. PI. 99. f. 12. 1878. 



Clasterosptnitim larvatum Sacc. Syl. Fun^ r . 4:>n. 1886. 

 Stigmina maclchae iTm km 



Sporidesmium maclurae Thcem. Mycotheca Universalis No. 2074. 1881. 



LUtMcn is i>i irium maclume POUND. Kep. Xebr. St. Board Agi. 1889: 223. 1890. 



