The Ustilaginales of the world.
This posthumous publication (Contr. Dep. Bot. Pennsylvania State Coll, 176), the first to cover the Ustilaginales [R.A.M., 30, p. 432] on a world basis, combines all the author's studies on the subject, some of which have been published [loc. cit. ; 23, p. 501]. A brief preliminary section (pp. 1-19) includes a historical review, characterization of the group, taxonomy and cytology, selected and cited references, and keys to the genera and families. The genera are treated alphabetically under the two families and the species alphabetically also. The work concludes with a host index and an index of synonyms.