Feb. 1903] Notes on Sclerospera Graminicola 
13 
3. Puccinia peckii (DeToni) Kellerm., P. caricis Auct., 
from Carex trichocarpa Muhl.; sowings on Onagra biennis (L.) 
Scop. (Oenothera biennis L.) produced abundant spermogonia 
and secidia. 
4. Puccinia caricis (Schum.) Reb. from Carex scoparia 
Schk.; sowings on Urtica gracilis produced abundant secidia. 
5. Puccinia caricis (Schum.) Reb. from Carex stricta Lam. ; 
sowings on Urtica gracilis produced abundant secidia. 
6. Puccinia andropogonis Schw. from Andropogon scopar- 
ius Mx. (Indiana) ; sowings on Pentstemon produced spermo¬ 
gonia. (Host killed by Damping-off fungus). 
7. Puccinia windsorise Schw. from Tricuspis (Sieglingia) 
seslerioides (Mx.) Torr. (Triodia cuprea Jacq.) ; sowings on 
Ptelea trifoliata L. produced abundant spermogonia and secidia. 
NOTES ON SCLEROSPERA GRAMINICOLA. 
FRANK LINCOLN STEVENS. 
This peculiar fungus began its history in America under the 
name of Peronospora graminicola, being apparently first collected 
by Pammel at LaCrosse, Wis., a communication to Farlow of 
Trelease, who noted it in the Botanical Gazette, 9:39, in 1884. 
Next we find it mentioned by Halsted both in the Bulletin of the 
Botanical Dept, of Iowa Agricultural College, April 8, p. 53 and 
in the Botanical Gazette 111272, with the statement of its great 
abundance. Again by the same writer in the bulletin of la. 
Ag. Coll. ’88, p. 99 and in the Bot. Gaz. 13:56, with the remark 
that it is about one tenth as abundant as two years previous. 
Since then it has been recorded in several western states. It was 
not, however, until the summer of 1901 that I was aware of its 
abundance in the east. Collecting trips in central New York 
then showed the fungus not only abundant but quite destructive 
to the Pigeon grass, Ixophorus viridis (L) Nash. It was so 
conspicuous and so abundant that it might be seen at almost 
any time from the carriage and was of particular destructive 
form. It could be followed for miles on the bicycle track between 
Baldwinsville and Syracuse where the over arching grasses had 
evidently afforded facilities for the spread of the fungus by 
means of the scorcher’s boots and pedals. 
Sclerospora was collected from the following localities in 
New York; Amboy, Van Buren, Syracuse, Ionia, Plainsville, 
Baldwinsville, Warners, Geddes, Long Branch and Cross Lake. 
North Carolina College of Agriculture, Raleigh. 
