Ravenelia humphreyana Henn. 1898

Ravenelia humphreyana P. Henri. Hedwigia
Ravenelia pulcherrima Arth. Bot. Gaz. 39 : 395. 1905.
Pycnia unknown
Uredinia amphigenous, scattered, round, 0.5 mm. or less across, subcuticular, early naked, light cinnamon-brown, ruptured cuticle noticeable; paraphyses numerous, intermixed with the spores, capitate or clavate-capitate, 10-15 by 30-55 /*, wall much thickened above, up to 15 /*, thin below, 1-2 fi, heads chestnut-brown, stipe hyaline ; urediniospores globoid, 13-18 by 15-20//; wall cinnamon-brown, thin, about 1 fi, finely echinulateverrucose, pores 6-8, scattered.

Ravenelia inconspicua Arth. Bot. Gaz. 39: 395. 1905
Pycnia unknown
TJredinia hypophyllous, round, small, 0.5 mm. or less across, subcuticular, soon naked, pulverulent, cinnamon-brown, ruptured cuticle inconspicuous; paraphyses abundantly intermixed with the spores, clavate or somewhat spatulate, smooth, cinnamonbrown, paler below, walls thick, 3-6/*, stipe solid; urediniospores globose or broadly elliptical, 15-20 by 15-22 fi; wall medium thick, 2-2.5/*, golden-yellow, closely verrucose, pores about 10, scattered.