Sphaerospora 45 



externally pale-brown, slightly verrucose and tomentose; hy- 

 menium concave, plane or slightly convex, olivaceous; hairs 

 flexuous, septate, pale-brown; asci cylindric or subcylindric, 

 reaching a length of 200-300 /x and a diameter of 15-18 ju; spores 

 1-seriate, containing one large oil-drop, at first smooth, becoming 

 rough, reaching a diameter of 12-16 m; spore-sculpturing con- 

 sisting of minute warts or indistinct reticulations; paraphyses 

 filiform below, enlarged above, septate, reaching a diameter of 

 5-6 ij. at their apices. 



On damp sand-banks. 



Type locality: Europe. 



Distribution: New York to Nebraska; also in Europe. 



Illustration: Cooke, Mycographia pi. 31, f. 122. 



3. Sphaerospora perplexa Seaver, sp. nov. 



Apothecia gregarious, sessile, when young closely nestling in 

 the substratum, at first closed and globose, expanding and 

 becoming discoid, reaching a diameter of 1-3 mm.; externally 

 clothed about the margin with fascicles of adpressed, pale- 

 brown hairs which often form fifteen or twenty tufts about the 

 border of the disc; hymenium plane, bright-orange and slightly 

 darker than the outside of the apothecium; hairs flexuous, club- 

 shaped, sparingly septate and often constricted at the septa, 

 smooth or very slightly roughened, reaching a diameter of 

 21-33 /u at their apices; asci cylindric or subcylindric above, 

 rather abruptly tapering below into a short stem-like base, 

 reaching a length of 350 ^t and a diameter of 23 ju; spores 1-seriate, 

 densely granular within, becoming sculptured, reaching a di- 

 ameter of 21-23 fi; spore-sculpturing assuming the form of sharp 

 spines (resembling those of Lamprospora Crecliqueraultii); pa- 

 raphyses stout, reaching a diameter of 7-8 jx. 



On bare soil in woods. 



Type locality: Woods near Yonkers, New York. 



Distribution: Known only from the type locality. 



Specimens recently sent from Sweden by Dr. John Axel 

 Nannfeldt appear to conform with the above, which would 

 extend the range of distribution if such should prove to be 

 the case. 



This may be only an abnormal form of Lamprospora Creclique- 

 raultii, the development of hairs being due to unusual conditions. 

 Except for the hairs it is identical with that species. 



