130 METASPERMAE OF THE MINNESOTA VALLEY. 



S. St. 554; Coult , Fl. Colo. 382; Engl. Pax, Nat. Pflanz. II, 2, 125: Bail., 

 Syn. Car. 62 



North America: Newf., N. S., N. Br., Q., Ont. to 

 Man.; S. to N. Eng., N. J. and Fla.; W. to Minn, and Mo. 



Minn, valley: Forest district; S. W. district; probably 

 throughout; wet meadows and bogs or swamps. 



HERB.: Taylor 50, Elysian; Bailey 68, Vermilion lake; 

 MacM. and Sheld. 61, Brainerd. 



Carex pauciflora LIGHTP. Fl. Scot. II, 543 (1777). 

 C. patula HUBS. Fl. Angl. 402 (1762) not Host. 

 C. leucoglocfiin LINN. f. Suppl. 413 (1781). 

 Leucoglophin pauciflorus HEUFF. Flora 528 (1844). 

 Psyllophora pauciflora SCHUR. Enum. 697 (1866). 

 Wats, and Coult., Gray's Man. 6 ed. 592; Mac., Fl. Can. II, 111; Richt., 

 PI. Eur. 145; Hook., Fl. Gt. Brit. 448; Nym., Fl. Eur.; Herd., Fl. Eur. 

 Russ. 138; Upham, Suppl. Minn. 86; Rothr., Alask. 457. 

 Arctic and Alpine Europe. 



North America: Newf to Ont, Man., N. W. T. and 

 Vancouver; N. to Sitka; S. to N. Eng., N. Penn., Mich, and 



Minn. 



Minn, valley: N. districts; peat bogs and cold marshes. 



HERB.: Sandberg 614, Center City; Bailey 203, Ver- 

 milion lake. 



X. AROIDEAE. Arum Family. 

 Orontiaceae LINDL. Veg. King. 193 (1846). 

 Araceae ENGLER, DC. Mon. Phan. II (1875). 



Endlicher, Gen. PI. 232 (1840); Benth. and Hook., Gen. PL III, 955 

 (1883); Engler in Engler and Prantl, Nat. Pflanz. 2, III, 102 (1887). 



Genera : 105 living; 2-3 extinct? Tropical and temper- 

 ate regions. 



Species: 1000; 92 per cent, in tropics; 8 per cent, in 

 temperate regions. 



ACORUS LINN. Gen. 296 (1737). 



Benth. and Hook., Gen. PL III, 999; Durand, Ind. Gen. Phan. Engler 

 and Prantl., Nat. Pflanz. 2, III, 118 (Engler); Schenck, Palaeophyt. 378. 



Living species: 2; Japan, 1; temperate northern 

 regions; 1. 



Fossil species: 2-3, doubtful; Spitzbergen, 1: ter- 

 tiary, (Heer). 



Acorus calamus LINN. Spec. 324 (1753). 

 A. odoratm LAM. Fl. Fr. Ill, 299 (1778). 

 Calamus aromaticus GULDENST. It. II, 327 (1791). 

 Acorus aromaticus GILIB. Exerc. Phyt. II, 205 (1792'. 

 A. commutatus SCHOTT. Prodr. Aroid. 578 (1860). 



