300 



uriciil. ((t-T."! x ."i iiiicroiis. siiorc-licariiiu' part .'tri-^O x ."i inicrniis. Spdi-os 

 uiiiscriatc or siih-hiscriati' aliovr. clliiit ical. rather iiairiiw. Iirowii, 7-8x3-4 

 micToiis. 



On rotten lo;,' of Qiiercus. IluekU'l»eri-y Woods, near lUooniington, 

 Indiana. 

 .?. //. (iln>iiiiiirl<iliiiii. (Srhw.) Cke. 



.Spliaeria atroitnnctata, Scliw. 



Anthostonia atropuactatnni. Sacc. 



Ilypoxylon atroiinnctatnni, Cko. 

 Stroma very broadly effused, forniinc: a thin (.75-1 nun.), smooth, 

 whitish or gray crust which is flush with the surface of tlie surrounding 

 hark, irregularly (lotted with the black ostiola. usually surrounded by a 

 black, sterile margin or circumscribing line, substance hard and rigid, 

 black inside. I'erithecia in a single layer, not crowded, ovate, about ."> 

 mm. higli. sometimes reaching almost to the base of the stroma. Asci 

 aliruptly contracted below into a short, stipitate base, 17r»-220 x ]r)-17 mi- 

 crons, spore-bearing part IGO-lSOx 15-17 microns. Sj)ores acutely elliptical 

 or almond shaped, dark, 22-;i0x 11-14 microns (E. & E.— Asci 150x10-12 

 microns. Sjiores 25-.">(> x 10-12 micrmis.) (Sacc. — Spores 25-.'>0 x 8-0 nu- 

 crons.) 



On Fagus and Quercus. vicinity of lUoomiugton, Ind. Also in Orange 

 County, Indiana. 



This species often extends in bi'oad exi);inses for many feet along 

 (lead, standinu tree truidcs. It is easily overlooked on beech because of 

 its similarity in color to the I)ark, but is readily identilied by its black- 

 punctate character, 

 .i". //. Ill rdiiiirpiiicinii, Fr. 



Sjiharia atropurpurea, Fr. 

 Stroma broadl.x effused, varying greatly in extent, sometimes 1-2 cm. 

 wide and 5-10 cm. long, (Kcasionally continuous or interruptedly contin- 

 uous foi- two or three feet in stiips l-.'t cm. wide; 1-2 nun. thick; brown 

 or pni'ple, clianging to dark-purple oi- almost l)lack ; margin of stroma 

 rounded and distinct; surface paiiillate from the slightly prominent peri- 

 thecia wiiich are .(!<;-l mm. high, olilong or oi>ovat(>, and are closely packed 

 in a single layer. Spores ovate, subacute at each end. opaque, 0-13x4,5-0 

 microns. No asci were present in our si)ecimens. (E. & E. — Asci, spore- 

 iiearing i>art. 50-(;0 x 7-S microns. Spores 10-14 x 5-(; microns.) 



