32 



Physcia csesia | Hotim.) Nyl.— A 171. Vermilion lake. On rocks. 



Physcia BteHaris (L.)— A 24, Vermilion lake. 



Placodium aurantiacum (Lightf.) Nag. & Eepp. — A 145, Vermilion 

 lake. On poplar. 



Placodium cerinum (Hedw.) Nag. & Eepp. — A 93, Vermilion lake. 

 ( >n poplar. 



Placodium elegrans (Lk.) DC. — A IT 1. Vermilion lake. 



Pyrenula ? — A 105, Vermilion lake. On poplar. 



Sticta ampliSSima (Scop.) Mass. — A 38, Vermilion lake. 



Sticta pulmonaria (L.) Ach. — A34, Vermilion lake. 



Theloscllistes chrysophthalmus (L.) Norm. — A 8."), Vermilion lake. 



ThelOSChisteS COUCOlor (Dicks.) Tnck. — A 94, Vermilion lake. On 

 living Popnlna tremuloides. 



Usnea barbata (L.) Fr.. var. cavernosa Tnck.— A 167 in part, St. 

 Louis river. 



Usnea barbata (L.) Fr., var. dasypoga Fr.— A 167 in part, St. Louis 

 river. 



Usnea barbata (L.) Fr., var. florida Fr.— A 53, Vermilion lake. 

 Sterile. 



Usnea barbata (L.) Fr., var. plicata Fr. — B 195, Vermilion lake. 

 (Determined by Sargent.) 



PYRENOMYCETES. 



Anthostoma rllavo-viride Ellis & Holway (n. sp.) Stroma effused, 

 thin, extending for two or more inches in length and one-half inch or more in 

 width, covered at first with a thin coat of greenish-yellow, short, matted hyphae, 

 producing small (1-1* mu), subglobose, subhyaline conidia, but finally bare 

 and black. Perithecia membranaceous, black, globose (J mm.), sunk in the 

 scarcely altered substance of the wood, contracted above into a narrow neck 

 which penetrates the thin stroma with a black papilliform ostiolum. Asci 

 (spore bearing part) 75 by 6-7 mu, or including the slender base 120 mu long. 

 Sporidia uniseriate, narrow elliptical, continuous, nearly hyaline at first, be- 

 coming dark, 10-12 by 4-4o mu. The stroma is limited in the substance of the 

 wood by a dark circumscribing line. — H 266, Vermilion lake. On decaying 

 wood of Popnlna tremuloides. 



Chilonectria CUCUrbitula (Curr.) Sacc. — H 178, Vermilion lake. On 

 Abies. II 182, St. Louis river. On tamarack. 



daviceps ? — A 134, St. Louis river. On Deyenxia canadensis. 



Daldinia COncentrica (Bolt.) C. & De N. — H 256, Vermilion lake. On 

 dead Ainu-. 



Diatrype Stigma Ft. — H 120, H 112, Vermilion lake. The first on Alnus, 

 the second on birch. 



Diatrype tOCCideanaDe Not. — H 55, Vermilion lake. OnAlnus. (De- 

 termined by Ellis.) 



Diatrypella betulina Pk.— H 39, H 1)0, Vermilion lake. The first on 

 Betnla papyracea, the second on B. pumila. 



Eutypella cerviculata (Fr.) Sacc. — H 75, B 76, Vermilion lake. The 

 first on Alnna Lncana, the second <>n Betnla papyracea. 



Gnomoniella COrylil Batsch.) Sacc. — H 139, Vermilion lake. On Cory- 

 Lhb rostrata. 



