REPORT OF THE STATE BOTANIST I9IO 55 



sericeo-fibrillo'sus, extra intraque flavidus, demum basi brunneus, 

 velum floccosum arachnoideumve, flavidum, evanescens ; sporae 

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



Hebeloma flexuosipes 



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

 buff or clay brovv^n, 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 confertae, adnatae, brunneo-ferru- 

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

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

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

 fibrilloso, abundante, candido; sporae subellipsoideae, brunneo-fer- 

 ruginosae, 12-16x7-9/7.. 



Helminthosporium subapiculatum 



Tufts eft'used, 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 

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



Dead wood of Sambucus callicarpa Greene. Rolling 

 Bay, Washington. August. E. Bartholomew. 



It is related to Helminthosporium apiculatum Cd. 

 but differs in its longer oblong spores without an apiculus. 



Caespites effusi, atri ; hyphae erectae, rigidae, subflexuosae, saepe 

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

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

 12-16 !J.. 



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 ij- long; 



