178 BRITISH DISCOMYCETES. 
or brownish space. When old the hymenium separates 
from the excipulum in the manner of an operculum, 
which led the illustrious Fries to place it in his genus 
Eustegia. 
Name—Arundinaceus, belonging to a reed. 
Shrewsbury ! 
Supcenus II.—Pyrenopeziza. Fckl. (in part). 
Cup erumpent or superficial, globose, then expanded’ 
opening at first by a minute pore; glabrous or fur- 
furaceous, often vertically plicate, black, cinereous, or 
dark brown (except elajhines) ; sporidia elliptic, fusiform 
or filiform, simple, rarely uniseptate, hyaline. (Plate VI. 
fig. 33. 
‘ N eo a kernel, and peziza ; from the globose 
form. 
ARRANGEMENT OF THE SPECIES. 
a. Cups superficial. 
(a) Sporidia elliptic or oblong +. species 12 
(b) Sporidia subfusiform bs Fy » 18-19 
(c) Sporidia filiform  .. es nO » 20-21 
B. Cups erumpent. 
(a) Sporidia elliptic or oblong .. as » 22-24 
(b) Sporidia fusiform or elongate-fusiform ,, 25-27 
(c) Sporidia cylindrical or acicular .. » 28-82 
Key To THE Spectss. 
Hymenium fuscous-black : on wood. . a +. foeeunda, 
Hymenium fuliginous: on Typha .. oe +. Typhe. 
Hymenium brown é se a 1 
Hymenium cinereous .. 2 a as « 2 
Hymenium whitish or watery-grey .. <2 rae 
Hymenium pallid... si is a .. Lignicola. 
(Externally brown, scabrous: on Arctium .. .. Aretii. 
Externally brownish ; margin striate: on Juncus .. mécrometra. 
1 Externally umber-brown, rugulose; margin tim- 
’)_ briate: on grass. Me oe ae +s graminis, 
Externally pale umber-brown, farinoso-tomentose : 
\_ on Umbellifere a a Sey oes ++ Grevellet. 
Externally black, rugose ; margin crenulate, paler: 
growing in lines on Plantago on is +. nervisequia. 
Externally blackish, mealy; margin entire: on 
2.4 Pluntago .. an v8 sis a -. Plantaginis. 
Externally black, scabrous, rugose; margin con- 
tracted jugosa. 
Externally blackish, squamulose : on Digitalis or Digitalina. 
