4T 



Sagitiaria. 



Sagittaria variabilis Arrowhead. 



Sagittaria variabilis, var hastata Arrowhead. 



Sagittaria variabilis, var angustifolia . .Arrowhead. 

 Sagittaria heterophylla Arrowhead. 



Order 126. NAIADACELE.— Pondweed Family. 



Triglochin. 

 Triglochin palustrs Arrow grass. 



POTAMOGETON. 



Potamogeton natans Pondweed. 



Potamogeton nutans, var prolixus Pondweed. 



Potamogeton mucronsetus Pondweed. 



Potamogeton prrelongus Pondweed. 



Potamogeton perfoliatus Pondweed. 



Potamogeton paueifiorus Pondweed. 



Potamogeton pusillus Pondweed. 



Potamogeton zosteraefolius Pondweed. 



Potamogeton pectinatus Pondweed. 



Naias. 

 Naias Flexilis Naiad. 



Order 128. CYPERACEiE.— Sedge Family 



Cyperus. 



Cyperus diandrus Galingale. 



Cyperus esculentus Galiugale. 



Cyperus strigosus Galingale. 



Cyperus Sch weinitzii Galingiile. 



Cyperus tiliculrais Galingale. 



• 



DULICHIUM. 



Dulichium spathaceum Dulichium. 



ELEOCHARia 



Eleocharis obtusa (E. Ovata) Spikerush. 



Eleocharis palustris Spikerush. 



Eleocharis acicularis Spikerush. 



SCIRPUS. 



Scirpus pungens Bulrush. 



Scirpus lacustris Great Bulrush. 



Scirpus fluviatilis Clubrush. 



Scirpus sylvaticus Clubrush. 



Scripus atrovirens Clubrush. 



