REPORT OF THE STATE BOTANIST I9IO 37 



Picris hieracioides L. 



Orient Point. August and September. R. Latham. An intro- 

 duced plant. 



Pilocratera abnormis n. sp. 



Cups scattered, stipitate, small, 1-4 mm broad, obconic or saucer- 

 shaped, pale grayish, obscurely pubescent; stem 1-3 mm long, in- 

 serted or swollen at the base into a minute hairy bulb, colored and 

 adorned like the cup; asci subcylindric, 160-200 [j- long, 10-12 ij- 

 broad, spores oblong or subfusiform, straight or slightly curved, 

 ■ slightly narrowed toward each end, commonly containing a single 

 large central nucleus, 25-40 ij- long, 8-10 m broad, paraphyses 

 filiform. 



Decorticated wood of yellow birch, Betula lutea Mx. 

 Fine. August. Found also on decaying wood at Ishpeming, 

 Michigan. August. C. H. Kauffman. 



The minute pubescence is somewhat compacted into tufts on the 

 margin but the tufts are not long enough to give a fimbriate or 

 ciliate appearance to the margin. 



Cupulae sparsae, stipitatae, parvae, 1-4 mm latae, obconicae vel 

 acetabuliformes, pallido-griseae, minute pubescentes ; stipes 1-3 mm 

 longus, insititius vel basi bulbillosus, hirtus, cupulae in colore similis ; 

 asci subcylindracei, 160-200 x 10-12 ^ ; sporae oblongae subfusi- 

 formesve, rectae vel leviter curvatae, utrinque leviter angustatae, 

 vulgo uninucleatae, 25-40 x 8-10/^, paraphyses filiformes. 



Placodium ferrugineum discolor Willey 



On bark of red cedar, J u n i p e r us v i r g i n i a n a L. Orient 

 Point. April. R. Latham. 



Plasmodiophora elaeagni Schroeter 



On roots of Elaeagnus longipes Gray. Lyndonville. 

 November. C. E. Fairman. 



Pleurotus approximans n. sp. 



Pileus thin, tough, subgelatinous, dimidiate or subflabelliform or 

 with a short stemlike base, at first involute on the margin and more 

 or less strigulose hairy, specially toward the base, becoming pruinose 

 or subglabrous with the thin even margin expanded or slightly re- 

 curved, pallid, grayish brown or smoky brown, 6-12 mm broad; 

 lamellae narrow, close, tapering toward each end, converging to a 



