144 
HYPOCREAE. 
Claviceps, Zul. 
C. purpurea, Tul. Parasitic in the ovary of Lolium perenne and 
other grasses. The black, hornlike stroma of the fungus is known 
by the name of Ergot, and is used medicinally. 
Cordyceps, Fries. 
C. militaris, Link. On the larva of some insect. A. 
P ophioglossoides, Link. Parasitic on the subterranean fungus 
Elaphomyces granulatus. Q. 
Epichloe, Fries. 
typhina, Pers. Parasitic on the living stems of Holcus 
‘anatus and H. mollis. 
Hypocrea, Fries. 
H. rufa, Pers. On dead wood. 
H. alutacea, Fries. On dead leaf heap. 
Sphaeroderma, Feckt. 
S. fimbriatum, Rost. On dung of guinea-pig. 
S. Hulseboschii, Oudem. On rabbit-dung. 
Polystigma, Pers. 
P. rubrum, Pers, On living leaves of various species of Prunus, 
TAN Fries, 
nabarina, Tode. On dead branches. A true and very 
destrublive parasite, attacking trees and shrubs, the branches of 
which become thickly st a with coral-coloured tubercles one 
to two lines in diam: 
N. inaurata, Berk. & Broome. On dead wood. A. 
N. Ralfsii, Berk. & Broome. On dead bark. 
N. aurea, Berk. & Broome. On the hymenium of an old dead 
specimen of Polystictus versicolor, Fr. 
N. Aquifolii, Fries. On dead holly bark. A., B, 
N. Lamyi, Desm. On dead wood. 
N. ornata, Mass. & Salm. On horse-dung. 
N. mammoidea, Plow. On dead hawthorn. 
N. Ribis, Tode. On re branches of Rihes aureum. Parasitic 
. on various species of Ri 
