Rust, Smut, Mildew, & Mould: An Introduction to the Study of Microscopic Fungi

by M. C. Cooke

Triphragmium, Lk.

Spores trilocular, septa mostly vertical and horizontal.—Berk. Outl., p. 332.

Triphragmium Ulmariæ, Lk. Meadow-sweet Brand; spots obliterated; sori at first subrotund, covered with the epidermis; at length, when the cuticle has vanished, effuse; spores brown, subturbinate, divided by a vertical dissepiment, shortly pedicellate.—On leaves of Meadow-sweet, Spiræa ulmaria. Autumn. ([Plate III.] fig. 48.)