114 NEW YORK STATE MUSEUM 



Peniophora tenuissima 



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

 leviter rimosa, subpruinosa, albida ; sporae ellipsoideae, 8x4 /i,; 

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



Phacidium lignicola 



Perithecia subsuperficialia, circiter i mm lata, orbicularia vel late 

 cllipsoidea, prominentia, rngosa, atra, laciniate aperientia, margine 

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

 10-12 fx.; sporae confertae vel subdistichae, continuae, rectae vel 

 leviter curvae, oblongae, interdum basi leviter attenuatae, hyalinae, 

 12-15 X 3.5-4 /x. 



In ligno decorticate P o p n 1 i t r e m n 1 o i d i s Mx. 



Pholiota rigidipes 



Pileus carnosus, subtenuis, firmus, late convexus, leviter et late 

 Limbonatus, squamnlis birtis appressis brunnescentibus obscure 

 squamulosus, flavidus vel luteolus, carne alba, sapore miti ; lamellae 

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

 rigidus, gracilis, saepe flexuosus, cavus, obscure fibrilloso squamu- 

 losus, infra annulum parvum saepe evanescentem pallidus, ad apicem 

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



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



Inter folia dilapsa in sylvis. 



Phoma bacteriophila 



Peritbecia minuta, .2-.^ mm lata, primum epidermide tecta, deinde 

 erumpentia, sparsa vel dense gregaria, interdum conferta et ramulum 

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

 ^^^8 X 4-5 ,x. 



In maculis morbidis truncorum parvorum P i n i s t r o b i L. et 

 in ramulis emortuis. 



Phoma leprosa 



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

 incrustatione albida tecta ; sporae rectae, cylindraceae, hyalinae, 

 IQ-15 X 3-4 IJ,. 



In pomis dilapsis Crataegi punctatae Jacq. 



