909. 
910. 
911. 
912. 
913. 
914. 
a ae | 
UU 0 ou 
U: 'U''U "OU 
74 
ORDER 93. TYPHACE. 
407. TYPHA, Tourn. 
; datifelia, L.. 
. angustifolia, L. 
Rare. At Whirlpool, Niagara R., American side, Cliz/on. 
408. SPARGANIUM, Tourn. 
. eurycarpum, Engetm. 
simplex, Hudson, var. Nuttallii, Gray. 
Rather rare. Squaw Is., Niagara R. 
ORDER 94. NAIADACE#. 
409. NATAS, L. 
. flexilis, Rostk. 
410. ZANNICHELLIA, Micheh. 
. palustris, L. 
In a pond near Ft. Porter, Buffalo; Niagara R., Clinton. 
411. POTAMOGETON, Tourn. 
. hatans, L. 
Rather rare. Niagara R., near Strawberry Is.. C/izfoiz. 
. hybridus, Michx. 
Rare. Black Cr., Ont., Clinton. 
. gramineus, L., var. heterophyllus, Fries. 
. lucens, L. 
Not common. Niagara R.; Lime Lake, Machias, Catt. Co., 
Clinton. 
. prelongus, Wulfen. 
. perfoliatus, L. 
. compressus, L. 
. Niagarensis, Tuckerman. 
Rare. ‘Rapids above Niagara Falls, Zuckerman.” (Gray’s 
Manual.) Not detected by us. 
. pauciflorus, Pursh. 
. pusillus, L. 
. pectinatus, L. 
. Robbinsii, Oakes. 
“ORDER 95. ALISMACEZ. 
412. TRIGLOCHIN,-—&: 
. palustre, L. 
Rather rare. Lake shore, near Ft. Erie, Ont.; Strawberry Is., 
Niagara R., Clinton. 
