i66 
MILDEWS, RUSTS AND SMUTS 
PHLEUM 
Puccinia phlei-pratensis, Erikss. and Henn. 
Uredospores. Sori scattered on the leaves, in lines on 
the culms ; spores aculeate, dingy yellow, i8—30 x 15— 
20 ( JL . 
Teletdo spores. Sori most abundant on the culms, 
blackish ; spores club-shaped, tip thickened and usually 
narrowed, constricted, base narrowed, smooth, brown, 
38—52 X 14—20 p, pedicel tinged brown, rather stout, 
long. 
On leaves and culms of Phleum pratense. Germany, 
Austria, Denmark, and Sweden. 
PHRAGMITES 
Puccinia obtusata, Ed. Fisch. 
Aecidia. On the under surface of the leaf on large, 
round, yellowish or purple spots, cylindrical, then torn, 
whitish ; spores polygonal, minutely warted, tinged yellow, 
16—24 X 12—17 p. 
Teleutospores. Sori on both surfaces of the leaf, and on 
the culm, scattered or in very long patches, compact, 
blackish-brown ; spores generally elliptical, ends rounded, 
tip scarcely thickened, not papillate, scarcely constricted, 
smooth, brown, 40—54 x 20—28 p, pedicel stout, up to 
200 p long. A few uredospores sometimes mixed with the 
teleutospores. 
Aecidium on living leaves of privet— Ligiistrum vulgare. 
Teleutospores on leaves and culm of Phragmites vulgaris. 
Germany and Switzerland. 
TRITICUM 
Puccinia actaeae-agropyri, Ed. Fisch. 
Pycnidia. In small, honey-coloured groups. 
Aecidia. Sori on pale spots of variable size, shortly 
cylindrical, whitish, edge recurved and torn ; spores min¬ 
utely warted, yellowish, 16—26 X 10—25 p. 
Uredospores. Scattered, minute, oblong, mostly on the 
upper surface of the leaf ; spores echinulate, pale brown, 
18—25 u. 
Teleutospores. Sori minute, scattered or in groups, 
on the under surface of the leaf, elongated, for a long time 
covered b^' the epidermis ; spores oblong club-shaped, tip 
rounded or abrupt, thickened, base narrowed, smooth, 
brown, 32—^45 X 14—26 p, pedicel very short. 
Aecidia on leaves of Actaea spicata. 
