229 



L. vagabiiiidurn, Sacc. Mich. I, p. 447. id. II, p. 72. F. Ital. 

 tab. 246. 



L. radicals, E. & E. Journ. Mycol. Ill, p. 44. 

 Lophiotrema vagabundum, Sacc. Syll. 5435. 

 Exsicc. M. March, 747. 



Perithecia scattered, small (160-170 //). buried in the wood, 

 except the narrow, compressed, erumpent ostiolum. Asci subcylin- 

 drical, 90-100x10-12 /JL (spore-bearing part 75-80 // long), sur- 

 rounded and overtopped by abundant, thread-like, paraphyscs. Spo- 

 ridia biseriate, fusiform, 3-septate, hyaline, slightly curved and mostly 

 constricted at the middle septum, 15-20x4-5 jut. 



On decorticated, decaying stems of Rhus radi<'<mx, Xewfield. N. J. 



Yar. xtcncK'tii'pnin. E. & E., on decorticated oak limb, Xewfield, 

 X. J.. has sporidia about 20 x 3 /j.. Var. Asfcn'v. on dead stems of 

 Aster, Louisiana (Langlois 1440) has sporidia 25-30 x 5-6 ft, unisep- 

 tat<>. becomiDg tardily 3-septate. 



L. vestitnm, Pk. 40th Rep. p. 71. 



Perithccia closely gregarious, small (350-500 //), sunk in the 

 wood, rnimpcnt, conical, clothed with a slight, tawny-ferruginous, 

 pulverulent tomentum. < )>tiola naked, black, subterete or compressed. 

 Asci clavate, 150-190 x 15-18 //. Sporidia crowded, subfusiform. at 

 first biconical and uniseptate, then tri.-cptate, or quadrinucleate, con- 

 stricted in the middle, hyaline, 30-40 x 7^-10 JJL. 



On decorticated wood of Populus tremuloides, New York (Peck). 



L. hysterioides, Ell. &Langlois. Journ. Mycol. IV, p. 76 (notSchw). 



Lophiotrema fiysterioides, Berlese Icones. Fasc. I, p. 4, tab. Ill, fig. 4. 



Perithecia gregarious, subglobose with their bases slightly sunk 

 in the wood, mostly a little less than J mm. diam., ostiolum forming a 

 narrow ridge entirely across the perithecia, and thus giving them the 

 appearance of a Hysterium. Asci cylindrical, 60-70 x 5-6 //, with 

 abundant paraphyses. Sporidia biseriate, fusoid, nearly straight, 

 3-septate, smoky-hyaline, 14-16 x 3 IJL, the next to the upper cell 

 swollen. 



On rotten oak stumps, St. Martinsville, La. 



L. sequivocum, E. & E. Journ. Mycol. Ill, p. 118. 



Perithecia gregarious, erumpent-superficial , black, nearly smooth, 

 depressed-conical or subglobose, about \ mm. diam. Ostiolum sub- 

 conical, slightly compressed. Asci subcylindrical, about 80 x 5 ;.. 



