654 P E E I S P O E IA C E I .
1 9 3 6 . A sco trich a ch a rtarum . B . “ Paper Mildew.”
Perithecium thin, olive-brown, seated on radiating flocci;
sporangia linear, numerous ; sporidia broadly elliptic, chocolate-
Tom td i.—Berh. Ann. N.H. no 116. Coohe M .F .p .2 2 \,t.x n .J .
254-256.
On white printed paper. King’s Cliffe.
(Fig. 319.)
Gen. 2 8 5 . EUROTIUM , Link.
Perithecia reticulated, vesicular,
coloured, attached to _ mueedinous
threads; sporangia delicate.—Berh.
Outl.p. 465. (Fig. 320.)
Bk. “ Herbarium Mould.”
Pig. 320.
1 9 3 7 . E u r o tium h e rh a tio rum .
Perithecium spherical, sub-depressed,_yellow, seated upon radiating,
expanded,branched, intricate flocci.— i-P- 79- Fng.
Fl r p. 333. drev. 1.164,/. 1. Fr. S.M. m. p. 332. Coohe M.F.
p. 222, t. xii./. 260,261. Fchl. exs.no. 1748. F a r m a n a sulphurea.
Sow. t. 319 J . 3. . , , n
On plants in herbaria and various decaying substances. Com-
[United States.J
This is now admitted to be an ascigerous condition of AspergilUsgau^us.
See No. 1757, ante. o •>
Order. X X V I I I . F L V F L L A C F I.
Hymenium at length more or less exposed ; substance soft.
-Berh. Outl.p. 358.
Receptacle pileate or clavate—
Hymenium folded and pitted .
Hymenium even . . . . .
Hymenium rugulose . . . .
Hymenium smooth, viscid
Receptacle clavate, confluent with stem .
Receptacle inflated—
Hymenium r i b b e d ....................................
Receptacle capitate—
Head distinct, inflated . . . .
Head compressed, running down the stem
Head orbicular, hymenium velvety
Receptacle crustaceons, effused, with root-like fibrils
Receptacle cup-shaped—
Disc soon open . . . . .
Disc always open . . . . .
Receptacle i n d e t e rm i n a t e ....................................
Receptacle patellæform, margined—
Asci f i x e d . .............................................
Asci e x p lo d e d .............................................
Eeceptacle cyathiform, horny . _ .
Eeceptacle closed, then open, coriaceous .
Receptacle orbicular, then truncate
Receptacle sphærical, waxy . . . .
Receptacle deciduous—
Disc wfexy, persistent . . . .
Receptacle obsolete—
Hymenium immersed in matrix
Hymenium a pulverulent stratum .
Morchella.
HelveUa.
Verpa.
Leotia.
Gyromitra.
Mitrala.
Spatlmlaria.
Vibri
Rhizina.
Peziza.
Helotium.
Psilopezia.
Patellaria.
Ascoholus.
Tympanis.
Genangium.
Bulgaria.
Agyrium.
Laquearía.
Stictis.
Ascomyces.
M O R CH E L LA , Dill.
Eeceptacle clavate or pileate,
impervious in the centre, stipitate,
covered with the hymenium,
which is deeply folded and pitted.
—Fr. S.M. ii.p. 5. Berh. Outl.p.
358. (Fig. 321.)
1 9 3 8 . Mo rch ella e scu len ta .
Pers. “ Common Morel.”
Pileus ovate, adnate at the
base; ribs Arm, anastomosing,
and forming deep pits ; stem even ;
asci very long, sporidia oblong