Puccinia sidalceae Holw. 1907

Micropuccinia sidalceae (Holway) Arthur & Jackson
Puccinia Sidalceae Holway, N. Am. Ured. 1: 67. 1907.
Pycnia unknown
III. Telia hypophyllous and petiolicolous, round, 0.5-1 mm. across, or elongate to 2 cm. when petiolicolous, scattered, or more or less circinate in small groups, firm, pulvinate, tardily naked, at first cinnamon-brown, becoming blackish, ruptured epidermis persistent and conspicuous; teliospores ellipsoid or oblong, variable in size, 23-32 by 38-48 ft, roimded above and below, not constricted at septum; wall cinnamonor chestnut-brown, 3-5 fi thick, becoming gradually thicker toward apex up to 8 fx, smooth; pedicel fragile, slender, twice to thrice length of spore, usually broken away, colorless.
On Malvaceae:
Sidalcea glaucescens Greene, California.
Sidalcea malvaeflora (Moc. & Sess6) A. Gray, California.
Sidalcea oregana (Nutt.) A. Gray, California, Oregon.
Sidalcea spicata Greene, California, Oregon. Type locality: Klamath County, Oregon, on Sidalcea oregana. Distribution: Southern Oregon to central California.