ASCOMYCETES 
186 
Helvella in the pileus not being free from the stem at the 
base. Edible. All the species are very rare. 
Mitrula phalloides. PlateXLVIII. i. 
Asc. in. broad, often 1 in. high, soft, fragile, becoming 
hollow, more or less globose or club-shaped ; large specimens 
are often compressed; yellowish orange, adnate to the stem. 
S. f-i-| in., slender, white or tinged with pink or yellow, 
becoming hollow. The lower margin of the head is sharp 
and distinct, usually with two notches. Gregarious or 
clustered on decaying, half-submerged leaves in ditches and 
on sphagnum in bogs. Vernal. Uncommon. 
Geoglossum glutinosum, “ Adder’s tongue.” Plate V. 5. 
Asc. 1J-2J in. high, oblong-lanceolate, the hymenial part 
about one-third of the entire length, slightly viscid, more or 
less compressed, passing imperceptibly into the sticky, 
brownish-black stem. G. hirsutum differs in the minutely 
hairy asc. and stem. All the British species are black. 
Gregarious, amongst grass in fields and lawns in aut. 
Bulgaria polymorpha ( = inquinans). Plate XLVII. 1. 
Rusty brown, scurfy, globose at first, becoming plane; 
black and shining at maturity. The familiar black, tough, 
rubber-like bodies, -J-i^ in. diam., frequent on dead trunks. 
Ulocolla foliacea (Plate XXVI. 5) is said to be the conidial 
form of this species. 
Cordycepsmilitaris, “Caterpillar Fungus.” Plate XLVII. 2. 
Club-shaped, tuberculated, about 1 in. high, bright scarlet, 
appearing above the ground, and superficially resembling 
a Clavaria. Careful examination of the soil always reveals 
the pupa or larva on which it grows. Sometimes two or 
three sporophores spring from one insect. Frequent in aut. 
C. entomorrliiza, with a brown head, is an uncommon 
species. 
C. opliioglossoides (Plate XVI. 7)—head brownish-black, 
flesh yellow—is parasitic on Elaphoniyces variegatus in pine- 
woods ; uncommon. Covdyceps capitata —ovate head and yellow 
