140 
XYLARIEJE. 
Xylaria, Hill. 
X. polymorpha, Grev. 
On decaying logs. 
X. digitata, Fries. 
On dead wood. 
X. vaporaria, Berk. 
: In soil in frames. 
X. carpophila, Frie 
On fallen beech im 
X. Hypoxylon, Fries. 
On dead wood 
Nummularia, Tul. 
N. Bulliardi, Tul. 
On dead wood. 
Hypoxylon, Fries. 
H. coccineum, Bull. 
On dead hazel. 
H. fuscum, Pers. 
On dead wood. 
DOTHIDEÆ, 
Phyllachora, Fuckel. 
P. Ulmi, Duv. 
On living leaves of Ulmus. 
P. Trifolii, Pers 
On aAa leaves of Trifolium 
mediu 
P. graminis, Pa 
On living are of various 
grasses. 
Rhopographus, JVitzAe. 
R. filicinus, Fries. 
On living fronds of 
aquilina 
Rhytisma, Fries. 
R. acerinum, Pers, 
On living leaves of Acer cam- 
pestre and A. Pseudopla- 
: h k 
Pteris 
blotches so common on syca- 
more leaves are caused by 
Rhytisma—cont. 
this fungus, which does con- 
siderable ME ec the 
leaves to fall early the 
season, bet er the wood 
is not properly matured, and 
the stock of accumulated food 
insufficient for the following 
^ 
diseased leaves are collected 
and burned soon after they 
fall. 
R. salicinum, Fries. 
On living leaves of Salix 
Caprea and S. viminalis. 
STIGMATEX. 
Stigmatea, Fries. Stigmatea—cont. 
S. Robertiani, Fries. S. JEgopodii, Frie 
On Des s pet of Geranium On living leaves ot Aegopodium. 
robertia 
DIATRYPEJE. 
Diatrype, Fries. Diatrype—cont. 
D. Brassicae, Che. 
On dead cabbage stalks. 
D. verruciformis, LAr. 
aa dead branches of Fagus 
sylv 
D. quercina, Fries. 
On dead branches of Quercus. 
D. Stigma, Hoffm. 
On dead wood. 
