206 Rhodora [DECEMBER 
Reported by Peck at various times from Essex County, with an 
outlying station in Washington County. 
'TYPHA ANGUSTIFOLIA L., var. LoNGISPICATA Peck, N. Y. State 
Mus. Rep. xlvii. 162 (reprint 36) (1894). Var. virginica Tidestrom, 
Ruopora, xii. 242 (1911). Characteristic of lake- and stream- 
margins wherever we went in the Ontario basin, from Cayuga Lake 
northward and eastward to northeastern Jefferson County. 
PoTAMOGETON CRISPUS L. Marly bottom overlying Silurian lime- 
stone, cove of Lake Ontario, southwest of Chaumont, Jefferson 
County. 
P. srricriroLIUS Bennett. Marly bottoms of creeks entering the 
St. Lawrence in Jefferson and St. Lawrence Counties. Plants ex- 
cessively brittle, forming dense mats in deep water, mostly sterile 
and heavily loaded with winter buds; occasionally fruiting when 
reaching the surface. 
P. Vasey Robbins. Deadwater at mouth of Salmon River, flowing 
over Silurian shales and schists, Selkirk, Oswego County ; muddy pool 
overlying Silurian rock near Ossawegatchee River, Ossawegatchee, 
St. Lawrence County, heavily fruiting. 
PorAMoaGETON Frrestt Rupr. Marly bottom overlying Silurian 
limestone, cove of Lake Ontario, southwest of Chaumont, Jefferson 
County. : 
NAJAS GUADALUPENSIS (Spreng. Morong. Marly bottom over- 
lying Silurian limestone, cove of Lake Ontario, southwest of Chau- 
mont, Jefferson County. 
Strikingly different from the common N. flexilis in its wiry and stiffly 
branching stems and rufescent coloring as well as in fruit. For dis- 
cussion see Fernald, Rnopona, xxv. 108 (1923). N. guadalupensis 
was collected in 1920 by Dr. Harold St. John in Great Pond, River- 
head, town of Southampton, Suffolk County (no. 2541, distributed as 
N. flexilis, var. robusta Morong.). 
ALISMA GEYERI Torr. Marly bottom overlying Silurian limestone, 
cove of Lake Ontario, southwest of Chaumont, Jefferson County. 
A characteristic species of western America, from Washington to 
North Dakota and Saskatchewan. Collected many years ago by 
Asa Gray at Ogdensburg, St. Lawrence County; and in 1918 by 
Brother Marie-Victorin in the St. Lawrence near Longueuil and 
Montreal, Quebec. 
