Biology Reference
In-Depth Information
trees and shrubs, also on house plants in honeydew
from aphids, mealybugs and scale insects.
Fumago
Deuteromycetes, Hyphomycetes
Scorias
Mycelium dark, creeping over surface of leaves;
conidiophores dark, variable, bearing conidia ter-
minally or laterally; conidia variable, dark,
muriform, frequently in chains; saprophytic on
honeydew;
Ascomycetes, Capnodiales
Mycelium with parallel walls, forming a thick
spongy mass; perithecium long-stalked, round;
spores four-celled.
Scorias spongiosa
Sooty Mold
. Often on
trees - alder, beech, pine, etc.
probably
conidialstage
of
Capnodium
.
Fumago vagans A heavy black moldlike growth
on leaves of linden and many other ornamental
