Mainsia rubi

Uredinia hypophyllous, small, round or irregularly round, yellowish;urediniospores ellipsoid to broadly obovate, 20-33 x 18-24 µm, yellowish to hyaline, echinulate, germ pores three to four. Telia epiphyllous, numerous in circinating groups, round or irregularly-round, 2-4 mm diameter, white;teliospores irregularly fusiform, 34-45 x 12-19 µm, walls 1 µm thick, hyaline, pedicels short, hyaline, often deciduous. See Arthur (1912) (as Spirechina rubi) for a more detailed description.