1 6 AMURICAN MIDLAND NATURALIST 



Fluviales Vent. Tabl. II. p. 80, (1794); Nayadeae Bartling 

 do. p. 71, also Link, also Rich, A. El. p. 416. 



SPIRILlUS]. Gay. Compt. Rend. Acad. Sc. 38, p. 703, (1854) 

 PoTAMOGETON Tour. Kls. p. 199, (1644) also Inst. R. H. p. 

 232, (1700), Linn. Sysl. (1735); Gen. in. p. 33, (1737); P- 61, 

 (1754); Sp. PI. p. 126, (1753); and nearly all post-Linnaean 

 authors, but not Potamogeton Dioscorides 1. 4. c. gg,= Persicaria 

 amphibia Linn. Am. Acad. p. 2 and 6. (1749); nor Potamogeton 

 Pliny, Nat. Hist. 1. 26, 8, v. 2,7, — Equisetum Telmateia Linn. ace. to 

 some; nor Potamogeton of early pre-Linnaean authors generally. 

 Buccaferrea Bubani, Nuov. Giorn. Bot. Ital. V, p. 316, (1873) also 

 Fl. Pyr. Vol. IV., p. 10, (1901), not Buccaferrea Micheli, P. Nov. 

 PI. Gen. p. 72 (i y 2g) =Ruppia (Dillen) Linn, (1753). 



Spirillus natans (Linn). 



Potamogeton natans Linn., Pan. Suec. Am. Acad. II, 

 p. 241, (1749); Sp. PI. p. 126, (1753); Buccaferrea natans (Linn.) 

 Bubani 1. c. 



Bankson Lake near Lawton, Mich. (Cass Co.) ; Benton Harbor, 

 St. Joseph, Bertrand, New Buffalo, Niles, Mich. (Berrien Co.); 

 Hudson Lake, Ind. (Laporte Co.); Notre Dame, South Bend, 

 Lakeville, North Liberty, Ind., (St. Joseph Co.); Lake Maxin- 

 kuckee )Marshall Co.); H. W. Clarke, (Lake Co.) Hill. Pine, Ind. 

 Wheeler. Millers, Ind. (Lake Co.); U. N. D. Herb. No. 2647. 



Spirillus amplifolius (Tuckerm). 



Potamogeton amplifolius Tuckerm. Am. Jr. vSc. 45, p. 



38, (1843)- 



Millers, Ind. (Lake Co.) U. N. D. Herb. No. 2646. Lake 

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

 Ind., Lawton, Mich., Bankson Lake, [Kalamazoo River, (Allegan 

 Co.) Wight]. 



Spirillus pulcher (Tuckerm). 



i'oTAMOGETON PULCHER Tuckerm. Am. jr. Sc. ^5. p. 38, 



(1843). 



(Lake Co.) Hill.; Pine, Ind. (Lake Co.) W. C. Calkins, U. N. D. 

 Herb. No. 6959; Dune Park, Ind. (Lake Co.), Higley & Raddin. 



Spirillus lonchites (Tuckerm). 



Potamogeton lonchites Tuckerm. Am. Jr. Sc. II. 6, p. 226, 

 (1848); Potamogeton americanus C. & S. 



