USTILAGO SPARSA n. sp.
Parasite infesting occasional ovaries and transforming them into somewhat sphacricai olivaceous pustules covered by the changed and roughened seed coat, 1-3 mm. in diameter, the re mainder of the inflorescence unchanged ; spores regularly oval, distinctly echinulate, about in length.
Related to U. neglecter Niessl. and U. spermophora B. & C., but distinguished from them by its larger pustules and smaller spores.
It has nothing in common with U. Dactylactaenii P. Henn. Die Pflanzenwelt Ost-Afrika, 5 : 48 which occurs on the same host, has dark violet horn-shaped sori and sm ,oth spores, 10-14 In scattered ovaries of Dactyloctenium Aegyptium, Auburn, Ala bama, November, 1895, and October, 1896. Underwood & Earle.
February 8,1897.