NOTES ON THE AQUATIC PHENOGAMS OF IOWA. Iz ^ 



One of the most widely distributed species of plants, occur- 

 ring in Europe. Asia, Africa, Australia, and the greater part 

 of North America. Ponds and quiet streams. July, August. 



West Fork of the Des Moines, Estherville. Cratty; Musca- 

 tine, Rcppcrt : Woodbine, Burgess; Storm Lake, Bessey; 

 Lake Okoboji. Hitchcock; Hancock and Linn counties, S/iimek, 



JUNCAGINEiE. 



TRIGLOCHIN Linn. Sp. PL, 339 (1753). 



1. T. maritima Linn. Sp. PL, 339 (1753). 

 T. data Nutt. Gen. I., 237 (1818). 

 T. maritima. var. elata Gray's Man., 2nd ed., 437 (1852). 



Morong, Naiad. N. A., 8; Wats, and Coult., Gray's Man., 

 6th ed.. 558; Arthur. Cont. Fl. Iowa. V.; Macmillan, Metas. 

 Minn. VaL, 41; Hitchcock, Ames FL, 522. 



Widely distributed throughout Canada and the northern 

 half of the United States. Most common in salt marshes, but 

 in the interior it is found in fresh water bogs. Our plant 2 

 to 3 ft. tall. July, August. 



Ames, very rare, Hitchcock; bogs near Armstrong, Emmet 

 county, infrequent, Cratty. 



SCHEUCHZERIA Linn. Spec. PL, 338 (1753). 



1. S. palustris Linn. Sp. PL, 338 (1753). 



Morong, Naiad. N. A., 9; Wats, and Coult., Gray's Man., 

 6th ed., 558; Arthur, Cont. Fl. Iowa, V.; Macmillan, Metas. 

 Minn. VaL, 42. 



A rush-like perennial plant growing in cold bogs, and flow- 

 ering early in the spring, the fruit maturing in July. Only 

 one species is known. 



Emmet county, two miles north of Armstrong, very rare, 

 Cratty. This is about its southern limit in the United States. 



