1 9 0 3 . Onygena eq u in a . Pers. “ Hoof Onygena.”
Head lenticular, furfuraceous, dirty white, at length more or
less regularly splitting all round ; stem abbreviated ; sporidia
oblong-ovate or ovate, simple ; epispore pale tawny ; nucleus
oblong, hyaline.—Pers. Syn.p. 203. Fchl. Sym. Myc. t. 6 ,/. 19.
Moug. exs.no.115. Grev.t. 343. Tul. Ann. Sc. N a t.1844, t. 11,
f. 12-17. Gorda.y'i. 1.10,/. 96. Fr. S.M. iii.p. 207. Fng. Fl. v.
p. 322. Chev. t. 8, / . 8. Lycop. equinum. Sow. t. 292. Lycop.
gossypinum. Bolt. 1.118. Bay. S y n .{ e d .3 ) ,t.l,f.3 . Mich. t. 91,
f . 8. Pers. Obs. ii. t. 6,/. 3, a. b. c. Fl. Dan. 1.1309, / . 1. Nees. f .
121.
On hoofs of horses, &c. [Mid. Carolina.]
{Fig. 309.)
1 9 0 4 . Onygena p ilig en a . Fr. “ Flannel Onygena.”
Head globose, somewhat nmbilicate beneath, peridium rupturing
at the base, deciduous, membranaceous ; stem elongated,
equal.—®r. iS.JlB. iii. _p. 208. B. 4 Br. Ann. N.H. no. 219. Fl.
Dan. t. 1740, /. 2.
On old flannel. Sherwood Forest.
Gregarious; stem half in. long, equal, even, fibroso-striate. According to
some the peridium is double, the outer being membranaceous, white, splitting
to the base in unequal revolute laciniæ, the inner very delicate and
translucent.
1 9 0 5 . Onygena apn s. B .& B r . “ Bone Onygena.”
Peridium white, sessile, globose, seated on a delicate, white
mycelium, externally tomentose, mature mass red-hrown.—B. ¿r
Br. Ann. N.H. no. 582.
On decaying bones. Nov. Bristol.
Peridia globose, white, sessile, seated on a delicate white mycelium, about
the size of rape seeds, under a lens tomentose, but even, not rugose ; sporidia
ovate-elliptic, containing one or two granules, colouring the internal
mass of a dark chocolate.—B. & Br.
Closely allied to the North American species 0 . corvina. A. & S.
Order X X V I I . P F R ISPO R IA C F I.
Perithecia subglobose, always closed, except by decay, mostly
membranaceous ; nucleus never diffluent.—Berh. Outl.p. 403.
Perithecia free, astomous, often surrounded by threads, distinct from the
mycelium (fulcra). Asoi tubular or saccate, often absorbed at an earlv
stage, springing from the base, occasionally solitary. Many of the species
grow on living leaves, and are very destructive.—Ber/i: Intr. p. 273.
Perithecia collapsing above, attached to radiating fibres
Perithecia subglobose, without distinct thallus or ap-
Couceptacle with one sporangium.
Appendages floccose .............................................
Appendages dichotomous, thickened at the tips !
Couceptacle with many sporangia.
Appendages needle-shaped, rigid . . . .
Appendages hooked . . . . . . .
Appendages d ich o tom o u s.............................................
Appendages flo c c o s e .....................................................
Perithecia thin, brittle, sporangia linear, sporidia coloured
Perithecia seated on conidiiferous threads
Perithecia reticulated, attached to mueedinous threads .
Lasiobotrys.
Perisporium.
Pkyllactinia.
Uncinula.
Frysiphe.
Choetomium.
Ascotricha.
Furotium.
Gen. 275. P E R IS P O R IU in :, Fr.
Perithecinm subglobose, without
any manifest thallus or appendages;
asci clavate ; sporidia indefinite.—
Berh. Outl. p. 403. {Fig. 310.)
1 9 0 6 .
Berh. F e z isp o r ium p z in c ep s.
“ Princely Perisporium.”
Peridia in clusters, sub-hemis-
Pig, 310. pherical, very black and la rg e ;
. . sporidia brown, very much crowded
in the asci.—Berh. in litt. Berlc. Outl. p. 403. Berh. exs. no. 287.
On a beam which had been taken out of a chimney and exposed
to the weather. King’s Cliffe.
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