“Aecidium porosum, Pk. Spots none; cups crowded, deep-seated, broad, wide-mouthed, occupying the whole lower surface of the leaf to which they give a porous appearance; spores orange-colored, subangular, .0008–.001 inch in length.” Botanical Gazette, =3=:34. April, 1878. 3. Aecidium sambuci Schw. On Sambucus canadensis L. Columbus, Ohio. June 24, 1901. Coll. W. A. Kellerman. “Aecidium sambuci Sz. V. maculaeforme magnum crassum folia contorquens aurantium exalbicans, peridiis minutis, sporidiisque simplicibus pallidis. “In foliis inprimis ad venas majores et in petiolis Sambuci Canadensis. Folia contorquet. Color aurantio-croceus; peridia sparsa pulvere pallido, lutescente-albo.” L. de Schweinitz. Synopsis Fungorum Carolinae Superioris (excerpta), p. 41. No. 441. (1822). “Diagnosis ulterior sequens [sub nom. Caeoma, subgen. Aecidium, sambuciatum]. C. maculis intumescentibus saepe maximis (i. e. 2 uncialibus) in petiolis, pallescentibus. Pseudoperidiis magnis, crebris elevatis, aurantiacis aut pallidis, margine fusco. Sporidiis aurantiofulvis, decolorantibus. In foliis omnia multo minora—pseudoperidiis densim aggregatis.” L. de Schweinitz, Synopsis Fungorum in America Boreali media degentium, p. 294. No. 2897. (1834). 4. Cintractia sorghi (Link) Sporisorium sorghi Link. Ustilago sorghi (Lk.) Pass. On cultivated Sorghum (Sorghum vulgare Pers.) Columbus, Ohio. September 15, 1900. Coll. F. J. Tyler and O. E. Jennings. “Sporisorium sorghi. Sp. acervis ovalibus, sporidiis globosis nigris germinum. “Diagn. Substantia farinosa germinum Sorghi vulgaris primum rimis variis separatur ita ut semina hient. Tum sporidia oriuntur, usque dum tota compages interior germinis in sporidia dilapsa sit. Excrescunt quoque glumae in apicibus ramulorum paniculae, sporidia et partes floris mutilas continentes. Sub microscopio composito acervi compacti conspiciuntur, aqua adfusa non diffluentes, e quibus flocci simplices aut semel ramosi exeunt tenues septati, pauci tantum e singulo acervo. Sporidia compressis acervis in conspectum prodeunt exacte globosa sat magna, minora majoribus intermixta.” H. F. Link in Linné Species Plantarum, =6=^2:86. 5. Cintractia sorghi (Link) Sporisorium sorghi Link. Ustilago sorghi (Lk.) Pass. On cultivated Sorghum (Sorghum vulgare Pers.) Columbus, Ohio. November 10, 1900. Coll. W. A. Kellerman. Supplement to No. 4. Obtained by inoculating the Sorghum seed with smut spores. 6. Cintractia sorghi (Link)