67 
Puccinia linearis, Peck. 
Amphigenous; sori very narrow, deep seated, oblong or linear, parallel, 
crowded, long covered by the epidermis, black ; spores oblong, slightly taper- 
ing toward the base, not constricted, very obtuse or truncate, .0018'-0024' long, 
.0006' broad ; pedicel colored, very short. 
Leaves and sheaths of grasses. Watkins. September. 
This is related to Puccinia coronata, but it is without tke apical 
teeth of the spore. 
Puccinia angustata, Peck. 
Hypogenous ; spots pallid or none; sori oblong or linear, sometimes regu- 
larly arranged at equal intervals in long parallel lines, narrow, black ; spores 
narrow, oblong-clavate or elongated, septate above the middle, strongly con- 
stricted, having the lower cell more narrow than the upper, and cylindrical 
or slightly tapering downwards, .00018'—.0024' long, .00U6' broad; pedicel 
colored, thick, very short. 
Leaves of Scirpus sylvaticum and S. Hriophorum. West Albany 
and Watkins. September. 
Protomyces Erythronii, Peck. 
Spots stained with red or purple; spores growing in the tissues of the 
leaf, scattered or crowded, most often arranged in short series and erumpent 
through narrow chinks in the epidermis, large, globose, at length black, 
.002'—.0026' in diameter. 
Leaves and petioles of Hrythronium Americanum.. Greenbush. 
May. 
The leaf is most frequently affected at the base of the lamina or 
blade. 
Ustilage Erythronii, Clinton. 
Produced on the leaves in oblong or irregular vesicular patches, half an 
inch or more in length; spores globose, rough, rather large, .0006'-.00075' in 
diameter, black in the mass. 
Leaves of Hrythronium Americanum. Goat Island, Clinton. 
Uredo Ledicola, Peck. 
Spots small, definite, rarely confluent, suborbicular, reddish-brown, some- 
times with a darker border; sori subrotund or irregular, surrounded by the 
ruptured epidermis ; spores subglobose, rough, .0012' in diameter, orange, 
with a thick hyaline epispore. 
Upper surface of leaves of Ledum latifolium. Mt. Marcy. July. 
Apparently quite distinct from U. Ledi A. & 8. 
