REPORT OF THE STATE BOTANIST I9IO 55 



sericeo-fibrillosus, extra intraque flavidus, demum basi brunneus, 

 velum floccosum arachnoideumve, flavidum, evanescens ; sporae 

 brunneo-f erruginosae, ellipsoideae, 6-8 x 4-5 ,a. 



Hebeloma flexuosipes 



Pileus thin, convex, glabrous, slightly viscid when moist, dingy 

 buff or clay brown, flesh white; lamellae close, adnate, brownish 

 ferruginous ; stem fibrous, equal or slightly thickened at the base, 

 flexuous, solid or stuffed, pruinose-pubescent and minutely gland- 

 ular at the top, pallid or similar to the pileus in color, with an 

 abundant white fibrillose mycelium at the base, veil none; spores 

 subellipsoid, brownish ferruginous, 12-16 ,a long, 7-9 !j. broad. 



Pileus 2.5-6 cm broad; stem 3.5-7.5 cm long, 4-8 mm thick. 



Ground. Schenley park, Pittsburg, Pennsylvania. July. D. R. 

 Sumstine. Said to be edible. 



Pileus tenuis, convexus, glaber, viscidulus, luteolus vel argillaceo- 

 brunneus, carne alba ; lamellae conf ertae, adnatae, brunneo-ferru- 

 gineae; stipes fibrosus aequalis vel leviter basi incrassatus, fiexuo- 

 sus, solidus farctusve, ad apicem pruinoso-pubescens et minute 

 glandulosus, pallidus vel pileo in colore similis, velo nullo, mycelio 

 fibrilloso, abundante, candido ; sporae subellipsoideae, brunneo-f er- 

 ruginosae, 12-16 x 7-9 //. 



Helminthosporium subapiculatum 



Tufts effused, black ; hyphae erect, rigid, subflexuous, often nodu- 

 lose and irregular above, obscurely septate, variable in length, 8-10 

 p- thick ; spores variable, oblong or subfusiform, 6-7-septate, 35-80 

 tj. long, 12-16 !J. broad. 



Dead wood of Sambucus callicarpa Greene. Rolling 

 Bay, Washington. August. E. Bartholomew. 



It is related to Helminthosporium a p i c u 1 a t u m Cd. 

 but differs in its longer oblong spores without an apiculus. 



Gaespites effusi, atri ; hyphae erectae, rigidae. subflexuosae, saepe 

 superne nodulosae et irregulares, obscure septatae, 8-10 // crassae ; 

 sporae variables, oblongae vel subfusi formes, 6-7-septatae, 35-80 x 

 12-16 //. 



Hormiscium ambrosiae 

 Tufts commonly effused, black ; chains of spores persistent, 

 straight or slightly curved, commonly tapering toward the apex or 

 broader in the middle and tapering toward each end, 40-100 ," long; 



