Plant deeply seated; spores multicellular, subglobose, or conchiform. Berk. Outl., p. 335.
Tuburcinia scabies, B. Potato Smut; spores globose composed of minute cells forming together a hollow globe with one or more lacunæ, generally attached laterally by a slender thread, olive. On Potatoes. Common. ([Plate III.] fig. 54.)
Tuburcinia Trientalis, B. and Br. Trientalis Smut; sori two lines broad, bullate, containing a black mass of rather irregular depressed subglobose spores, which are very opaque and distinctly cellular. Hyphasma white, branched, creeping, delicate.—On leaves of Trientalis Europæa. August and September. Scotland. ([Plate III.] figs. 52, 53.)
Coleosporium, Lév.
Spores cylindrical, septate, some separating at the joints, some of a different nature, persistent.—Berk. Outl., p. 333.
Coleosporium Tussilaginis, Lév. Coltsfoot Rust; on the under surface, prominent, crowded, generally forming circles, becoming very confluent; spores numerous, sub-ovate, orange-yellow.—On Tussilago Farfara. Summer. Common. ([Plate VIII.] figs. 180, 181.)
Coleosporium pingue, Lév. Tawny Rose Rust; spots obliterated, sori effuse, on the nerves and petioles of the leaves; spores ovoid, yellowish-brown.—On Roses, &c.
Coleosporium Petasitis, Lév. Butterbur Rust; on the under surface, minute, depressed, spreading, somewhat aggregate, subconfluent, irregular in form; spores oval, orange, or orange-red.—On Tussilago Petasites. Autumn. Common.
Coleosporium Campanulæ, Lév. Campanula Rust; spots obliterated, brown on the opposite side, sori irregular, confluent, plane, on the under surface; spores subglobose, cohering, yellow, at length pale. On leaves of various Campanulæ. September and October.
Coleosporium Sonchi-arvensis, Lév. Sow-thistle Rust; on the under surface, depressed, irregular in form, scattered, partially confluent; spores ovate, reddish orange.—On Sonchus oleraceus and arvensis. Summer. Common. ([Plate VIII.] figs. 178, 179.)