1923 Fernald & Wiegand,—Some Plants of New York 207 
Panicum GATTINGERI Nash. Dry sterile soil overlying Silurian 
limestone by Lake Ontario, southwest of Chaumont, Jefferson County ; 
dry sterile soil overlying Cambrian rock, near Crystal Lake, south of 
Redwood, Jefferson County; dry sterile soil over Silurian ledges, 
Morristown, St. Lawrence County. 
P. TuckerMANI Fernald, Ruopora, xxi. 112 (1919). Damp 
ledges of Trenton limestone, bank of Black River, Dexter, Jefferson 
County; alluvial thickets and damp shores, Narrows Island, Black 
Lake, St. Lawrence County. 
Presumably of general distribution on alluvial soils in northern 
and central New York. 
P. FLEXILE (Gattinger) Scribner. Dry sterile soil overlying 
Silurian limestone by Lake Ontario, southwest of Chaumont, Jeffer- 
son County; dry sterile soil over Silurian ledges, Morristown, St. 
Lawrence County. 
P. vircarum L. Sand dunes overlying Silurian shales and schists 
by Lake Ontario, Selkirk, Oswego County, where occur many vari- 
ations from the typical loosely stoloniferous plant to the densely 
cespitose var. sPIssUM Linder, RHODORA, xxiv. 15 (1922). 
House records, as the northernmost station known to him in 
New York, Rensselaer in Rensselaer County. 
P. AGROSTOIDES Spreng. Alluvial thickets and damp shores, Nar- 
rows Island, Black Lake, St. Lawrence County. 
An unusually northern station, though not quite so far north as 
the northeastern limit, in Penobscot County, Maine. 
EcHINOCHLOA MURICATA (Michx.) Fernald, Ruopora, xvii. 106 
(1915). Common in swales and low grounds throughout the Ontario 
basin and northeastward at least to St. Lawrence County. 
E. MURICATA, var. MICROSTACHYA Wiegand, ibid., xxiii. 58 (1921). 
Common eastward at least to Jefferson County; forming large colonies 
quickly distinguished in the field as different from the typical form 
of the species. 
ERAGROSTIS PEREGRINA Wiegand, RHODORA, xix. 95 (1917). As was 
to be expected this ruderal species was found in the railroad yard at 
Watertown, Jefferson County, a slight extension northward from 
previously known limits. 
1 House, N. Y. State Mus, Bull. no. 197: 52 (1918). 
