154 
MILDEWS, RUSTS AND SMUTS 
Teleutospores. Sori on both surfaces of the leaves, scat¬ 
tered, or sometimes crowded, minute circular or slightly 
elongated, for a long time covered by the epidermis, powdery, 
blackish ; spores oblong or oblong club-shaped, tip rounded 
or truncate, and slightly thickened, not at all, or very 
slightly constricted at the septum, base narrowed, smootii, 
brown, 35—52 X 15—22 p, pedicel very short. 
S}^. Aecidium convallariae, Schum. 
Puccinia digraphidis, Soppitt. 
Puccinia ifitermixta, H. Friend. 
Puccinia linearis, Rob. ; Cooke (?). 
Puccinia paridis, Plowr. 
The aecidia occur on Convallaria majalis, Maianthemum 
bifolium, Paris quadrifolia. 
The uredospores and teleutospores on the leaves of 
Phalaris arundinacea. 
Britain, Europe generally, N. America, Jc.pan (?). 
Puccinia orchidearum-phalaridis, Klebahn. 
Pycnidia. On the upper surface of the leaf. 
Aecidia. On the under surface of the leaves, on roundish, 
yellowish spots, cup-shaped, whitish, edge refiexed and 
torn ; spores angularly globose or elliptical, minutely 
warted, yellowish, 17—26 p, diam. 
Uredospores and teleutospores, as in Puccinia sessilis. 
Syn. Aecidium orchidearum, Desm. 
The aecidia occur on living leaves of Orchis incarnata, 
0 . latifolia, 0 . maculata, 0 . militaris, 0 . morio, Platan- 
thera hifolia, P. chlorantha, Gymnadenia conopsea. Lister a 
ovata. 
The uredospores and teleutospores on living leaves of 
Phalaris arundinacea. Britain and Europe generally. 
Puccinia winteriana, P. Magnus. 
Pycnidia. On the upper surface of the leaf. 
Aecidia. On the under surface of the leaves, on rather 
large, roundish, yellowish spots, cup-shaped, white, edge 
recurved and torn ; spores angularly globose, very minutely 
warted, yellowish, 17—26 p, diam. 
Uredospores and teleutospores as in Puccinia sessilis. 
Syn. Aecidium allii-ursini, Pers. 
Aecidium allii, Grev. 
Puccinia sessilis, Schneid. ; Plowr., Ured., p. 165. 
The aecidia appear on the leaves of Allium ursinum. 
The uredospores and teleutospores on the leaves of 
Phalaris arundinacea. 
Britain, Germany, France, Switzerland, and Holland. 
