700 niACIDIACEI. 



2291. Hysterium Carmichaelianum. Berh, " Carmichaera 



ilyclcriuin." 



Superficial, substipitatc, short, linear, or subelliptic, black, 

 opaque, not even ; lips obtuse, inflexed ; asci and sporidia ? — Berk. 

 Eng. Fl. y.p. 294. Ibjsteriumvarium, Grev. t. 233. 



On smooth oak bark. Appin. 



Tliis species rests entirely upon Greville's figure, and must be regarded aa 

 doubtful. Dr. Curtis quotes it as found on bark of Liquidamlar in Lower 

 Carolina. 



Suh-Gen. h. Gloxium. 

 Sporidia bilocular, hyaline. 



2292. Hysterium (Glonium) lineare. Fr. " Linear Glonium." 



Subimmersed, crowded, parallel, linear, black ; lips slightly 



swollen, even ; disc linear ; asci clavate or clavato-cylindrical ; 



sporidia ovoid, hyaline, rarely subconstricted in the middle. — 



Fr. S.M.ii.p.h^^. Nees. f, 303. 3Ioug.exs.no. 5G3. Grev.t. 167, 



/. 2. Fng. Fl. \.p. 294. Glonium lineare, Duly Hyst. p. 35. 



On wood. [United States.] 



2293. Hysterium (Glonium) amplum. Duhy. " Broad 



Glonium." 



Perithecia congregated together, or crowded, subdepressed, 

 furcate and branched ; asci elongato-clavate ; sporidia biseriate, 

 uniseptate, not constricted, hyaline. — Duhy Hyst. p. 37. Ailo- 

 graphum amph/m, B. ^ Br. Ann. N.H. no. 782. 



On decaying stems of Rubi. Twycross. 



Suh-Gen. c. Hypoderma. 



Asci clavate, attenuated below ; sporidia cylindrical, curved 

 (sausage-shaped), hyaline, rarely septate. 



2294. Hysterium (Hypoderma) ilicinum. Be Not. " Oak- 



leaf Hysterium." 



Epiphyllous, scattered, elliptic, obtuse, grey-black, about twice 

 as long as broad ; lips convex, tumid, at first connivent, then di- 

 vergent ; disc whitish ; asci clavate, pedicellate ; sjjoridea linear- 

 cylindrical, somewhat curved, obtuse, hyaline 2-4 celled. — Dvby 



