Thekopsora minima (Arthur) P. Syd. & Syd 1915

Pucciniastrum minimum (Schw.) Arth. Result. Sci. Congr. Bot
Vienne 337. 1906.
Uredo mini?na Schw. Schr. Nat. Ges. Leipzig 1 : 70. 1822.
Caeoma {Uredo) Azaleae Schw. Trans. Am. Phil. Soc. II. 4 : 291. 1832.
O and I. Pycnia and aecia unknown.
Uredinia hypophyllous, minute, less than 0.3 mm. across, scattered or clustered on indefinite discolored spots, mammillose, pale-yellow, dehiscent by central pore, finally pulverulent, long covered by the overarching epidermis ; peridium hemispherical, delicate, cells small, cuboidal, walls thin, 2u, ostiolar cells much larger, 14-16^ high, wall thickened below, smooth ; urediniospores ellipsoid, or obovate-oblong, 12-17 by 20-24/* ; wall colorless, thin, 1-1.5 /w, finely echinulate with sharp points.