REPORT OF THE STATE BOTANIST I9II 113 



Mycena atroumbonata 



Pileiis tenuis, submembranaceus, convexus, deinde late convexus 

 subplannsve, umbonatiis, late striate plicatus, glaber, subhygro- 

 phanus, udus brunneus et nitidus, siccus griseo brunneus, umbone 

 riigro ; lamellae tenues, subconfertae, late sinuatae, dente decurrentes, 

 albae, deinde fumoso brunneae ; stipes gracilis, glaber, cavus, radi- 

 cans, basi albo villosus, pileo in colore similis ; sporae oblongae vel 

 ellipsoideae, intus granulares, saepe binucleatae, 6-9 x 5-6 /x. 



Pileus 1.2-3.2 cm latus ; stipes 5-8 cm longus, 1-2 mm crassus. 



Solitaria vel gregaria. In truncis prostratis emortius T s u g a e 

 canadensis Carr. in sylvis. 



Naucoria arenaria 



Pileus tenuis, convexus subplanusve, flavidus vel subaurantiacus 

 margine pallidior; lamellae latae, inaequales, sinuatae, brunneo fer- 

 ruginosae ; stipes gracilis, rigidus, glaber, medulla alba f arctus, pileo 

 in colore similis, pseudobulbosus ; sporae brunnescente f erruginosae, 



15-20 X 10-12 fl. 



Pileus .75-2 cm latus ; stipes 2-3 cm longus, 1-2 mm crassus. 



Ovularia avicularis 



Maculae magnae, suborbiculares oblongaeve, brunneo rufae; 

 hyphae amphigenae, erectae, caespites minutos confertos albidos 

 formantes, 25-35x3-4 fx; sporae oblongae vel ellipsoideae, con- 

 tinuae, rare infra leviter angustatae, hyalinae, 12-20x6-8 /x. 



In f oliis vivis Polygoni avicularis L. 



Paxillus microsporus 



Pileus carnosus, tenuis, deinde subplanus, subglaber, albus, demum 

 albidus, interdum in centro brunnescens, udus leviter viscidus, 

 primum margine involutus, demum repandus levisque vel distante 

 striatus, carne alba; lamellae tenues, angustae, confertae, primum 

 adnatae, demum decurrentes, interdum basi furcatae vel leviter 

 anastomosantes, flavescentes, mox lutescente umbrinae ; stipes brevis, 

 vulgo deorsum attenuatus, solidus farctusve, pileo in colore similis ; 

 sporae brunneo ochraceae, minutae, subglobose, 2-3 fi latae. 



Pileus 1-6 cm latus ; stipes 1-6 cm longus, 3-8 mm crassus. 



Solitarius vel caespitosus. In terra subter C a s t a n e a e 

 d e n t a t a e (Marsh.) Borkh. 



