238 



Mycologia 



trichia rhodospiloides) , 3632 (as Herpotrichia diffusa) ; Baker 

 Fungi Malayana 60; Rab.-Wint.-Paz. Fungi Eu. 3£>6o (as Herpo- 

 trichia diffusa). 



Herpotrichia albidostoma (Peck) Sacc. Syll. Fung. 9: 857. 



1891 



Sphaeria albidostoma Peck, Ann. Rep. N. Y. State Mus. 32: 51. 



1879. 



Herpotrichia incisa Ellis & Ev. Proc. Acad. Sci. Phila. 1893: 130. 



Perithecia numerous, subcrowded, subglobose, seated upon or 

 involved in a black or blackish-brown tomentum, the ostiolum 

 naked, not prominent, whitish when moist, darker when dry ; asci 

 cylindric or subcylindric ; spores biseriate, oblong-fusoid, at first 

 I -septate, constricted at the septum, later often becoming indis- 

 tinctly 3-5-septate, colorless, becoming pale-yellowish or brownish, 



8-IO X 35-45 fx. 



On dead wood or branches (type on Acer spicatum) . 

 Type locality : Catskill Mountains, New York. 

 Distribution : North America ; Porto Rico ; Trinidad. 

 Exsiccati : C. L. Smith, Central American Fungi I (as Herpo- 

 trichia diffusa) . 



Nearly all of the specimens examined of this species have been 

 distributed under one of the names applied to the preceding species, 

 especially Herpotrichia diffusa. 



Explanation of Plate 19 

 Neopeckia diffusa (Schw.) Starb. (spores) 

 Fig. 1. Specimen from the Schweinitz collection, no locality given. 

 Fig. 2. Arkansas, " Fungi Columbiani " 2835 (as Herpotrichia rhodospi- 

 loides Peck). 



Fig. 3. Baker, " Fungi Malayana " 60. 

 Fig. 4. Trinidad 2985, collected by the writer. 

 Fig. 5. Trinidad 3084, collected by the writer. 

 Fig. 6. Guadeloupe 260, collected by P. Duss. 



Herpotrichia albidostoma (Peck) Sacc. (spores) 

 Fig. 7. Specimen from the Peck collection, apparently cotype, New York. 

 Fig. 8. Porto Rico 5586, collected by J. A. Stevenson. 

 Fig. 9. Trinidad 3128, collected by the writer. 



Fig. 10. " Central American Fungi " 7, distributed by C. L. Smith. 

 Fig. ii.- Louisiana, Langlois 2463 (as Herpotrichia duffusa var. rhodom- 

 phala Berk.). 



Fig. 12. Canada 18 10, collected by John Dearness (as Herpotrichia incisa 

 Ellis & Ev.). 



