Puccinia lithospermi Ellis & Kellerm. 1885

Dicaeoma lithospermi (Ellis & Kellerm.) Kuntze,
Rev. Gen. 3^:469. 1898.
Puccinia Lithospermi Ellis & Kellerm. Jour. Myc. 1: 2. 1885.
Pycnia epiphyllous, crowded in small groups about 1 mm. in diameter on slightiy yellowish spots, rather inconspicuous, honey-yellow becoming light-brown, globoid or flattenedgloboid, 95-130 by 80-100 ju; ostiolar filaments up to 55 fx long, usually somewhat agglutinated
into a column.
1. Aecia chiefly hypophyllous, crowded in groups up to 2 mm. across, cupulate, puncti-
form, low, 0.1-0.2 mm. across; peridium whitish, the margin erect, denticulate; peridial cells rhomboidal, 15-19 by 16-29 m> considerably overlapping, the outer wall 3-7 m thick, smooth, the inner wall 3-5 m thick, finely verrucose ; aeciospores angularly globoid, 1 31 6 by 1 6-2 1 /x ; wall colorless, 1-1.5 ju thick, finely and inconspicuously verrucose.
Uredinia amphigenous and caidicolous, numerous, scattered, sometimes in circinating groups, 1-2 mm. in diameter, roundish or more often lenticular or linear, 0.4 mm. across, up to 1-2 mm. long, early naked, pulverulent, dark-brown, ruptured epidermis conspicuous; urediniospores globoid or obovoid, 18-21 by 21-26 m; wall cinnamon-brown, 1.5-2 m thick, moderately echinulate, the pores 2 or 3, usually 2, equatorial.