208 
MILDEWS, RUSTS AND SMUTS 
or elongated groups of various sizes, often broadly extended 
and more or less densely arranged, remaining for a long 
time closed, then opening by a pore, but scarcely becoming 
cup-shaped, edge not recurved, large, about i mm. diam., 
yellow ; spores angularly globose, densely and minutely 
warted, yellowish, 22—35 X 20—26 p, epispore 3—3.5 p 
thick. 
Teleutospores. Sori on both surfaces of the leaves, most 
frequent on the upper side, scattered, or in more or less 
dense clusters, circular or oblong, often elongated when 
growing on the leafstalks, covered at first by the epidermis, 
powdery, dusky brown ; spores globose, subglobose, 
elliptical, oblong or pear-shaped, tip rounded, with a 
slightly prominent hyaline papilla, wall brown, with 
somewhat indistinct warts arranged in broken lines, 28—• 
44 X 20—30 p, epispore 2—3.5 p thick, pedicel colourless, 
slender, deciduous. 
On leaves, leafstalks and stem of cultivated species ol 
Lilium and Fritillaria. 
Britain and Europe generally. 
Recently recorded as occurring on Lilium candidum, in 
the country, by Mr. Grove. 
Puccinia zopfii, Winter. 
Aecidia. On the under surface of the leaf, on pale, circu¬ 
lar spots, arranged in minute groups, also forming long 
clusters on the leafstalks ; cup-shaped, edge recurved, 
torn, whitish ; spores angularly globose, very minutely 
warted, orange, 20—30 p. 
Uredospores. Sori on small pale or brown spots, gener 
ally on the under surface of the leaf, scattered, minute, 
soon naked, chestnut colour ; spores globose, subglobose 
or ellipsoid, minutely spiny, brownish, 22-—-30 X 20^—25 p 
Teleutospores. Sori irregularly scattered on both sides 
of the leaf, minute, soon naked, blackish-brown ; spores 
elliptical or oblong, ends rounded, tip with a slightly 
thickened broad and flattened paler wart, scarcely at all, 
or slightly constricted at the septum, very minutely warted, 
brown, 35—60 x 20—35 p, pedicel colourless, short, soon 
falling away. 
Syn. Puccinia caUhaecola, Schroeter. 
On living leaves of Marsh marigold— Caltha palustris. 
Recently recorded as occurring in this country by Mr. 
Grove. Europe generally. 
