114 NEW YORK STATE MUSEUM 



Peniophora tenuissima 



Tenuissima, late effusa, indeterminata, adnata, siccitate levis vel 

 leviter rimosa, subpruinosa, alhida; sporae ellipsoideae, 8x4 /x ; 

 cystidia subcylindracea vel conica elongata obtusa, 50-80 x 15-20 /x. 



Phacidium lignicola 



Perithecia subsuperficialia, circiter 1 mm lata, orbicularia vel late 

 ellipsoidea, prominentia, rugosa, atra, laciniate aperientia, margine 

 3-5 dentibus ornata; hymenium nigricans; asci clavati, 60-80 x 

 10-12 ft; sporae confertae vel subdistichae, continnae, rectae vel 

 leviter enrvae, oblongae, interdnm basi leviter attennatae, hyalinae, 

 12-15 x 3.5-4 ,*. 



In ligno decorticato Populi tremuloidis Mx. 



Pholiota rigidipes 



I 'ileus carnosus, subtenuis, firmus, late convexus, leviter et late 

 umbonatus, squamulis hirtis appressis brunnescentibus obscure 

 squamnlosus, flavidus vel lnteolus, carne alba, sapore miti ; lamellae 

 tenues, sublatae, confertae, brunneo ferruginosae ; stipes longus, 

 rigidus, gracilis, saepe flexuosus, cavus, obsenre fibrilloso sqnamu- 

 losus, infra annulum parvum saepe evanescentem pallidns, ad apicem 

 albus et pruinosus; sporae ellipsoideae, 8-10 x 5-6 /x. 



Pileus 5-8 cm latus ; stipes 6-8 cm longus, 5-7 mm crassns. 



Inter folia dilapsa in sylvis. 



Phoma bacteriophila 



Perithecia minuta, .2-. 3 mm lata, primum e])idermide tecta, deinde 

 erumpentia, sparsa vel dense gregaria, interdnm conferta et ramnlnm 

 omnino obtegentia, atra; sporae obovatae vel ellipsoideae, hyalinae, 

 6-8 x 4-5 fi. 



In maculis morbidis truncorum parvorum I'ini strobi L. et 

 in ramulis emortuis. 



Phoma leprosa 



Perithecia .3-. 5 mm lata, depressa snbglobosave, perforata, 

 incrnstatione alhida tecta ; sporae rectae, cylindraceae, hyalinae, 



10-15x3-4 M- 



In pomis dilapsis C r a t a e g i punctata e Jacq. 



