FUNGI 



35 



depressis, 180-200 p. lat., hyphis consimilibus laxe vestitis ; ascis 

 (immaturis) clavatis, 90-120 x 15-18 /JL, aparaphysatis, subsessilibus ; 

 sporidiis. . . . 



Glacier Bay (Trelease, 7 I3 > on still living bark of Almis~). 



Mycelium sistit Hormiscii v. Antennarics formam ; forte Hormiscio 

 alto Ehrenb. accedit. 



Eurotium herbariorum (Wigg.) Link. 

 Yes Bay (Howell, on Getim, 1618). 



Family CHYTRIDIACE^E. 

 Physoderma menyanthis De Bary. 



Kukak Bay (Saunders, 769, on JWenyanthes trifoliata). 



Family SAPROLEGNIACE^E. 

 Lagenidium entophytum (Pringsheim) Zopf. 



Popof Island (Saunders, 401*:, in zygospores of Spirogyra porti- 

 calis) . 



Pythium gracile Schenk. 



Popof Island (Saunders, 401 <5, in vegetative cells of Spirogyra 



porticalis} . 



Family PERONOSPORACE^E. 



Peronospora parasitica (Persoon) De Bary. 



Yakutat (Saunders, 677, on Arabis hirsuta). 

 Peronospora ficariae Tulasne. 



Glacier Bay (Coville & Kearney, 743, on leaves of Ranunculus). 



Family USTILAGINACE^E. 

 Tuburcinia trientalis Berkeley & Broome. 



Kadiak (Trelease, 720) ; Unalaska (Trelease, 719). On living 

 leaves of Trientalis. 



The conidial stage, known as Ovularia trientalis Berk. 



UstilagO vinosa (Berkeley) Tulasne.* 



Point Barrow (Murdoch in 1883, in Oxyria digyna}. 

 Ustilago bistortarum (De Candolle) Kornicke. 



Port Wells (Trelease, 764, in leaves of Polygomim viviparum). 

 Ustilago bistortarum inflorescentiae Trelease, var. nov.* 



Spores very abundant, brownish-purple, subglobose or slightly elon- 

 gated, 9-14 /*, usually 11-13 1 J "> a l most perfectly smooth. 



