136 
The Ohio Naturalist. 
1. Aecidium impatientis Schw. 
On Impatiens biflora Walt. 
Columbus, Ohio. June 1, 1901. 
Coll. W. A. Kellerman. 
“ Aecidium impatientis Sz. V. effusum magnum expallescens, 
peridiis in centro sparsis, creuatis, sporidiis majoribus luteo-fuscis- 
siniplicibus. 
Frequens NIaio in foliis Impatientis maculatae. Folia bullata 
reddit, et macula lata lutescente, in centro obscuriore inquinat.” 
L. de Scliweinitz, Synopsis Fuugorum Carolinae Superioris (ex- 
cerpta), p. 41. No. 442. (1S22J. 
2. Aecidium porosum Peck. 
On Yieia americana Muhl. 
Lakeside, Ottawa Co., O. May 17, 1901. 
Coll. W. A. Kellerman. 
“Aecidium porosum, I'k. Spots none; cups crowded, deep- 
seated, broad, wide-mouthed, occupying the whole lower surface 
of the leaf to which the} - give a porous appearance ; spores orange- 
colored, subangular, .0008-.001 inch in length.” Botanical Gaz- 
ette, 3:34. April, 1878. 
3. Aecidium sambuci Schw. 
On Sambueus canadensis L. 
Columbus, Ohio. June 24, 1901. 
Coll. W. A. Kellerman. 
“Aecidium sambuci Sz. V. maculaeforme magnum crassum 
folia contorquens aurantium exalbicans, peridiis minutis, sporidiis- 
que siniplicibus 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 Scliweinitz. Synop- 
sis Fungorum Carolinae Superioris (excerpta), p. 41. No. 441. 
(1822). 
“ Diagnosis ulterior sequens [subnom. Caeoma, subgen. Aecid- 
ium, sambuciatum]. C. maculis intumescentibus saepe maximis 
(i. e. 2 uncialibus) in petiolis, pallescentibus. Pseudoperidiis mag- 
nis, crebris elevatis, aurantiacis aut pallidis, margine fusco. Spo- 
ridiis aurantiofulvis, decolorantibus. In foliis omnia niulto minora 
— pseudoperidiis densim aggregatis.” L. de Scliweinitz, Synopsis 
Fungorum in America Boreali media degentium, p. 294. No. 2897. 
(1834). 
