NOTES ON OUR LOCAL PLANTS 1 7 



Lake Maxinkuckee, H. W. Clarke, (Lake Co.) Hill; Pine, 

 Ind. (Lake Co.) Wheeler; Lawton, Mich., Bankson Lake, U. N. D. 

 Herb. No. 9501, [Kalamazoo River (Allegan Co.), Wight.) 



Spirillus heterophyllus (Schreb.) 



PoTAMOGETON HETEROPHYLLUS Schreb. Spicil. Fl. Lips. p. 

 21, (1771). 



Lake Maxinkuckee, H. W. Clarke. (Lake Co.) Hill. 



Spirillus lucens (Linn). 



PoTAMOGETON LUCENS Linn. Sp. PI. p. 126, (1753) 



Lake Maxinkuckee, H. W. Clarke. Clarke, Ind. (L.ake Co.) 

 L. M. Umbach. 



Spirillus Zizii (Roth.). 



PoTAMOGETON Zizii Roth, Enum. I. p. 531, (1827). 



PoTAMAGETON ANGUSTiFOLius Berch. and Presl. Rost. 19, 

 (1821); not same of D. C. (1805). 



(Lake Co.) Hill. 



Spirillus praelongus (Wulf.). 



PoTAMOGETON PRAELONGUS Wulf. in Roem. Arch. 3, p. 331, 

 (1805). 



Lake Maxinkuckee, H. W. Clarke, (Lake Co.) Hill. Bankson 

 Lake near Lawton, Mich. 



Spirillus perfoiiatus (Linn.). 



PoTAMOGETON PERFOLIATUS Linn. Am. Acad. IL, p. 241, 

 (1749); Sp. PI. p. 126, (1753). 



Lake Maxinkuckee, H. W. Clarke. 



Spirillus perfoiiatus var. Richardsonii (A. Bennett). 

 PoTAMOGETON PERFOLIATUS var. RiCHARDSONii A. Bennett. 

 Poiamogeion perfoiiatus var. lanceolatus Robbins, A. Gray 

 Man. Ed. 5, p. 488, (1867), not Blytt. (1861). 

 (Laporte Co.) Hill. 



Spirillus zosteraefolius (Schum). 



PoTAMOGETON ZOSTERAEFOLIUS Sclium. Enum. PI. Saell. p. 

 50, (1801); Potamogeton compressus Fries, Novit, Ed. 2, p. 44, 

 (1828); not P. compressus Linn., (1753). 



Lake Maxinkuckee, H. W. Clarke, (Laporte Co.) Barnes, 

 (Lake Co.) Hill. [Kalamazoo River, (Allegan Co.) Wight]. 



Spirillus Friesii (Ruprecht.). 



PoTAMOGETON Friesii Ruprecht, Beitr. Pfl. Russ. Reichs. 



