PHACIDIACEI. 759 



Hi/st.p.28,t. \.f. 7. Moug. exs. no. 118-i. Desm, exs. no. 184. 

 Fckl. exs.no. 751. 



On twigs. [N. America,] 



Probably not uncommon. It has been collected by F. Currey, Esq., and 

 Dr. Capron. 



2288. Hystezium elongatuxn. Wahl. " Elongated Hysterium." 



Superficial, oblong, straight, nearly even, opaque, black; lips 

 swollen; disc linear ; asci broadly clavate ; paraphyses filiform; 

 apices clavulate ; spores biseriate, ovato-oblong 8-9 septate, at 

 length dark-brown. — Fr. S.M.ii.p. 581. Berk. Outl.jySSO. Duhy 

 Hyst.p. 29, 1. 1,/. 9. Corda. t. 9,/. (j2. Eng. Fl. y. p. 293. Fckl. 

 exs. no. 1751:. 



On decorticated wood, and rose stems. [S. Carolina.] 



The sporidia are very fine. 



2289. Hysteriumfraxini. Pers. " Ash Hysterium." 



Erumpent, elliptic, hard, black ; lips swollen, even ; disc linear ; 

 asci broad, clavate ; paraphyses filiform ; sporidia large, oblong, 

 at first pale, then intense olive-brown, at first uniseptate, at length 

 transversely and longitudinally multiseptate (muriform). — Duby 

 Hyst.p. 29. Fr.S.M. ii.p.585. Fckl. exs. no. 717. Desm. exs. 

 no. 83. Rabh. exs. no. 1G7. Letell. t. 651,/. 2. Cooke exs. no. 398. 

 Moug. exs. no. 267. G?^ev. t. 72. Fers. Syn. t. 2,f. 5-8. Faxt. 

 exs. no. 33. Fng. FL Y.p. 291. Sphceria sulcata^ Bolt. 1. 121. Sow. 

 t. 315. 



On small ash branches. Common. [Low. Carolina.] 



{Fig. 359.) 



2290. Hystezium cuzvatuxn. Fr. " Curved Hysterium." 



Erumpent, then superficial, prominent, aggregate, linear, elon- 

 gated, flexuose or incurved, black, shining, whitish within ; lips 

 rather swollen, connivent, lougitudinally striate, mouth linear; 

 asci clavate, or somewhat cylindrical ; parajjLyses filiform, thick- 

 ened at the apex ; sporidia ellipsoid, hyaline, multi-nucleate, at 

 length fenestrate. — Fr. El. il. p. 138. Duby Hyst. 31. B. ^ Br. 

 Ann.N.H. no. 587. H. elongatum, Q. Fr. El. ii.p. 138. 



On branches of sloe, rose and bramble. 



Sporidia (-OOOo-'OOOG in.), •0125--015 m.m. long, by (-00015 in.) -OOSom.m. 

 broad. 



