762 PHACIDIACEI. 



2298. Hystexium (Hypoderma) conigenum. Fr, "Fir-cone 



Hysterium.' 



Ernmpent, small, punctiform, shining, bursting by a longitu- 

 dinal fissure ; asci clavate ; sporidia cylindrical, obtuse, straight, 

 or curved. — Fr. S.M. ii. p. 586. Moiig. exs. no. 75. Eng. Fl. Y.p. 

 294. 



On fallen cones of Scotch fir. Shere. (E.C.) 



" Confined to the upper and exposed part of the scales." 

 Excluded by Duby (Hyst. j). 52) as not belonging to the Hysteriacecey but 

 evidently a good species. 



Suh-Gen. d. Lophodermium. 

 Asci dehiscent, clavate ; sporidia filiform. 



2299. Kysteziuxn (Lophoderxniuxn) xyloxnoides. Chev, 



" Leaf Hysterium." 



Innato-superficial, scattered, elliptic, obtuse, slightly swollen, 

 even, black, opaque ; lips broad, depressed ; asci clavate, acutely 

 pedicellate ; sporidia hyaline, filiform, parallel in the ascus, 

 fiexuous and contorted when free. — Duhy Hyst. 1,^. 45. Pers. Ic. 

 ^- Desc. ii. t. 10,/. 3, 4. H. foUicohm, Fr. S.M. ii. p. 592. Eng. 

 Fl. Y.p. 296 (partly). Lib. exs. no. 72. Desm. exs. no. 995. Rahh. 

 exs. ii. no. 156. Fdd. exs. no. 742. Berk. exs. no. 196. 

 £ ^ On dry leaves of RosacecB and berberry. Common on haw- 

 uniseptJe^^^s- [United States.] 



grapimm Hysterium (Lophodermium) melaleucum. Fr. 



phyllous, innate, elliptic, even, black ; lips sub-conni- 



hite ; asci clavate, not pedicellate ; sporidia filiform, pale 



.—Fr. S.M. i\.p. 589. Eng. Fl. v. p. 295. Fr. Obs. i. t. 2, 



ScJmi. exs. no. 81 . Mong. exs. no. 654. Grev. t. 88. Lib. exs. 



Asa78. Fckl. exs.no. 736. 



(sau.^j-^ dead leaves of Vaccinium Vitis Idcea. Scotland. 



2'' 



2301. Hysterium (Lophodeimium.) maculaxe. Fr. "Spot 



Hysterium." 



Seated on pallid spots, innate, oval, subdepressed, even, prui- 

 nose, black ; lips rufescent ; asci clavate, scarcely attenuated at 

 the base ; sporidia filiform, hyaline. — Fr. S.M.ii.p,.^^^. Duby 

 Hyst. p. 45. Fries, exs. no. 167. Moug. exs. no. 1072. Desm. exs. 



