Comprehensive Description
provided by North American Flora
Sphacelotheca Digitariae (Kunze) Clinton Uredo Digitariae Kunze; HoU, Flora 13: 369. 1830. Ustilago Digitariae f. Panici-repentis Kiihn, Hedwigia 15: 5. 1S76. (Rab. Fungi Kur.
2099,}. 11.) Ustilago pallida Korn. Hedwigia 16: 34. 1877. Ustilago Digitariae Wint. in Rab. Krypt.-Fl. 1': 88. 1881.
Sori in the inflorescence, protruding more or less from the leaf-sheaths as elongate bodies 4—8 cm. in length, covered at first by the false membrane, which soon flakes away revealing a dark-brown dusty spore-mass and numerous elongate shreds of plant-tissues; sterile cells cohering rather permanently, hyaline, cubic to elongate, sometimes slightly rounded and with their shorter diameter about the diameter of the spores; spores lightreddish-brown, subspheric, or occasionally more irregular or elongate, smooth, chiefly 6-8 iJL or rarely 5-9 ^ in diameter.
On Poaceae:
Syntherisma {Digitaria) sp., Mexico; Jamaica.
Type locality: Near Triest, Italy, on Digitaria sanguinalis.
Distribution: Europe, India. Egypt, Mexico (Mexican specimen collected at Popo Park, Mexico (state), August 4-8, 1910, by A. S. Hitchcock).
- bibliographic citation
- George Lorenzo Ingram Zundel, John Hendley Barnhart. 1939. (USTILAGINALES); ADDITIONS AND CORRECTIONS, HOST-INDEX. North American flora. vol 7(14). New York Botanical Garden, New York, NY
