24. H. clayispornm C & P. On culma of reed. Innate, tlien erumpent, 



splitting the cuticle, ■wMcli for a long time is adherent, perithecia 

 elliptic or linear acuminate, opaque, arranged in long parallel lines, 

 lips closely connivent ; asci clavate stipitate, sporidia crowded, clavate, 

 straight or curved multiseptate (9 or more), yellow or yellowish brown, 

 N. T. (Peck 105). 



25. H. elon^atum W. On dry wood. Car. (Curt.); Beth. (S.); Ohio (Lea). 



28. H. Tulyatum 5c7i2. On various branches. Car. (Burt.; Rav.) ; N. Eng. 

 (Frost); N. Y. (Peck; Gerard). 



27. H. depressum B. & C. On dry wood. Elongated, rough with little 



granules, depressed, disc extremely narrow ; asci clavate, sporidia 

 cymbaeform, with about five septa, sometimes bulging in the center 

 on the convex side (.0016 in long). Car. (Curt.). 



28. H. fraxini Fr. On ash. Car. (Curt.) ; X. Y. (Peck) ; Beth. (S.). 



29. H. flexuosum Schz. (Not of Ravenel or Duby.) Car. (S.) ; Penns. (S.). 



30. H. Curtisii Dby. On Vitis. Car. (Curt.). 



31. H. elatinum P. On dry wood. Car. (S.) ; Penns. (S.). 



32. H. smilacis Schz. On smilax. Car. (Curt.) ; N. Y. (Peck) ; Penns. (S.). 



33. H. cinerascens Schz. On naked wood of Juglans. Beth. (S.). 



34. H. chlorinum B. & C. On Quercus. Superficial, elevated from the 



bark, often narrowed at the base, elliptic, at first greenish, from a pow- 

 dery coat, which soon wears off, lips sulcate, disc greenish, sporidia 

 biseriate, oblong, uniseptate, constricted in the middle (.003 in long), 

 endochrome frequently emarginate. Car. (Curt.) ; Ala. (Beaumont). 



35. H. cyrillae B. & C. On twigs of Cynlla. 



36. H. verbasci Schz. On stems of verbascian. Beth. (S.). N. Y. (Peck). 

 The following require identification: 



37. H. castaneae -ScAz. On chestnut wood and bark. Car. (S.). 



38. H. kalmiae Schz. On wood of K. latifolia. Car. (S.). 



39. H. rhois Schz. On wood of Rhus typheria. Beth. (S.). 

 40'. H. confluens Schz. On stems of Ruhus. Beth. (S.). 



41. H. fibritectum Schz. On old willow wood. Beth. (S.). 



42. H. riigulosum Schz. On willow wood. Beth. (S.). 



43. H. yaccinii Schz. On branches of V. frondosum. Car. (S.). 



