sporidia minnto, oblong-elliptic, hyaline, simple.—Fr. S .V .S .p .
366. Berh. Outl.p. 373. Stictis spliceralis, Fr. S.M. ii. ». 194.
Fug. F l. Y . p . 213. Fchl. exs. no. 2066.
On dead branches of ash. Winter. (Fig. 335.)
Gen. 3 0 2 . T Y M P A N IS , Tode.
Receptacle margined, cyathiform,
horny ; hymenium at first
veiled, then breaking up.—Fr.
S.M. ii.p . 173. Berh. Outl.p.
373. (Fig. 336.)
2 1 8 3 . T ym p an is fran g u læ .
Fr. “ Buckthorn Tympanis.”
Sessile, turbinato-truncate,
roundish, opaque, blackish ; disc
umber, margin sub-obliterated;
Pig. 336. asci broadly cylindrico-ohlong,
very obtuse; sporidia ovate or
ovate-ohlong, at length 3-4 septate,brown.—Fr. S .M .i i .p .lU .
Frkl. exs.no. 764. Dermatea frangulæ,Tul. Carp. iii. p. 161. Ann.
Sc. Nat. XX (1853), 1.16,/. 1-8. Pezizicula frangulæ. Fchl. Sym.
Myc. p. 279, t. 4 ,/ . 46.
On Rhamnus frángula. Shere (Surrey), and Highgate (Middlesex).
Tlie stylosporous condition ia not uncommon late in the autumn, and
during winter; the ascigerous state was collected in April. (Fig. 336.)
2 1 8 4 . T ym p an is a ln e a . Pers. “ Alder Tympanis.”
Substipitate, opaque, blackish-umber ; cups subflexnose, obsoletely
marginate ; asci oblong ; sporidia filiform, continuous.
—Fr. S .M .ii.p .174. Eng. F I .y. p. 210. Fchl. exs. no. 768.
Cenangium alneum. Fchl. Sym. Myc.
On alder. Appin.
Minute, at first resembling a cæspitose Sphæria, externally brownish.
2 1 8 5 . T ym p an is fz a x in i. Schm. “ Ash Tympanis.”
Subsessile, turbinato-truncate, shining, black ; disc plane,
rngose, marginate.— Fr. S.M. ii. p. 174. Fng. Fl. y . p. 210.
Cenangiumfraxini. Tul.Ann S c .N a t.n y i.p .140. Fchl.exs.no.
1125.
On ash branches. Winter and spring. [Mid. Carolina.]
E L V E L L A C E l . 723
Brealdne through the bark in small fascicles, consisting of a few individuals
only, which increase in breadth from the base ; margin prominent,
obtuse, fiexuous ; d i s c opaque, rather solid, punctato-rugose. Tries.
2 1 8 6 . T ym p a n is c o n sp e rs a . Fr. “ Apple Tympanis.”
Cæspitose, at first closed, sphæriæform, naked, black, soon
open, whitish and pulverulent from the fragments of the broken
v e i l Fr. S.M. ii. p. 175. Grev. t. 335. Berh. exs. no. 160. Ust.
Ann. i. t. i, f. 6. Fchl. exs. no. 769. Nees.f. 231. Eng. Fl. v. p.
211. Treh Are«. iSc.Aai. XX. (1853), i. 1 6 ,/. 15-16. Cenangium
conspersum. Fckl. Sym. Myc,p. 272.
On apple, hawthorn, &c. [Mid. Carolina.]
2 1 8 7 . T ym p a n is lig u s t r i . Tul. “ Privet Tympanis.”
Sessile, subelongated, rather shining, black; disc concave,
marginate; asci broadly cylindrical ; sporidia, minute, ovate, or
ovate-oblong, numerous.—Tul. Carp, iii.p. 154. T. sahgna. Fr.
S M.H . p . 176 (inpart.) Tode i. t. 4, f . 57. Ann. N.H. no. 584.
Fchl. exs. no. 767. Berh. Outl. t. 1, / . 10. Rabh. exs. no. 229.
Cenangium ligustri. Fchl. Sym. Myc. p. 268.
On privet.
“ A very curious circumstance has occurred in this species. In the same
hymenium the fruit of a Biplodia and th at of a Tympanis were present.
B. é Br.
Gen. 3 0 3 . C E N A N G IU M , F r .
Fig. 337-
R e c ep ta c le coriaceous,
closed a t first, th e n open,
m a rg in a te , co v ered w ith
a th ic k c u tic le ; h ym e n
ium p e r s is te n t.—Fr. S.
M.H. p. 178. Berh. Outl.
p. 374. (Fig. 337.)
2 1 8 8 . C e n a n g i u m l i b i s . Fr. “ Currant Cenangium.”
Cæspitose, nearly naked, hlackish-brown, cup subturbinate
m a r g i n fimbriate, Bub-connivent ; disc pallid ; stems connate, in
a tubercle; asci linear, obovate; sporidia « o /d e d . ^ e a r , Savate
straight at length 3-6 septate. —Fr. S.M. ‘ 7
no. 75. Fries, exs. no. 131. Fchl. exs. no. 2277. Ann.N.H.no
585. Tul. Ann. Sc. Nat. xx. (1853), t. 16, f . 9-11. lu l. Carp. in.
p. 164,1.19,/. 1-9.
On currant twigs.
Sporidia *036-*038 m.m. long, -004--005 m.m.broad.
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