142 



Clarence J. Elmore 



Very common in tanks, creeks, springs, ponds, etc., usually with some 

 of the higher algae. Filamentous forms were found in jar in laboratory 

 in .Lincoln and in Blue River at Seward : Andrews, Anselmo, Ashland, 

 Auburn, Battle Creek, Benkleman, Brock, Broken Bow, Brownlee, Burge, 

 Callaway, Central City, Chadron, Clear Lake, Cody Lake, Crawford, Cul- 

 bertson, Dismal River, Dunning, Fairbury, Fremont, Gordon Creek, Grand 

 Island, Hackberry Lake, Halsey, Humboldt, Hyannis, Lakeside, Lodi, Long 

 Pine, Louisville, Melia, Newport. North Platte, Northport, O'Neill, Orella, 

 Orleans, Phalaris Lake, Pleasant Dale, Polk, Red Cloud, Ruby, Rupert, 

 St. Deroin, St. Michael, St. Paul, Scottsblufif, Seneca, Snake River, Stanton, 

 Stromsburg, Talmage, Tioga, Trenton, Valentine, Wann, Weeping Water, 

 West Point, Whitman, Woodlake. 



Fossil: Agate, Cherry County, Greeley County, Hay Springs, Mullen, 

 Spalding, Thedford, Valentine. 



Cutmeat, Dallas, Kadoka, Little White River, Norris, Rosebud, Weta, 

 S. Dak. ; Court Lake, and fresh water near Devils Lake, N. Dak. ; Fresno, 

 Cal. ; Ft. Collins, Colo. ; New Concord, Put-in Bay, Ohio. 



24. Homoeocladia palea (Kiitz.) Kuntze. Rev. Gen. Plant., Ill, 

 p. 409. i8p8. 



Nitsschia palea (Kiitz.) W. Sm. Brit. Diat., II, p. 8g. 1856. 



Synedra palea Kiitz. Bacill., p. 63, pi. 3, fig. -?/. 1844. 



PI. 20, figs. 752-757- 



Linear or linear-lanceolate, apices acute, attenuate or often ros- 

 trate, 22-66 IX long, 2.5-5.5 /i, wide; keel marginal with fine dots, 

 10-12 in 10 [jb, the middle dots not separated; striations very faint, 

 33-36 in 10 /A. Very variable. The form represented by var. 

 tenuirostris, figs. 752-753, is common. 



Very common especially in stock tanks, ditches, etc., usually with blue- 

 green algae, also fossil : Ainsworth, Alma, Andrews, Anselmo, Antioch, 

 Ashland, Aspinwall, Atkinson, Battle Creek, Bellevue, Benkleman, Brock, 

 Broken Bow, Brownlee, Cairo, Callaway, Cedar Creek, Central City, Cherry 

 County, Clear Lake, Columbus, Cook, Crawford, Crete, Culbertson, 

 Dawson, Dewey Lake, Dunning, Emerald, Fairbury, Fremont, Gibbon, 

 Gordon Creek, Grand Island, Hackberry Lake, Haigler, Halsey Heming- 

 ford, Holbrook, Humboldt, Hyannis, Ithaca, Johnson, Lakeside, Lincoln, 

 Long Pine, Mason City, Milford, New Helena, Niobrara River in Holt 

 County, Norfolk, North Platte, Oakland, Omaha, O'Neill, Pawnee City, 

 Pelican Lake, Peru, Red Cloud, Ruby, Rupert, St. Deroin, St. Libory, St. 

 Michael, St. Paul, Salem, Seneca, Sheridan County, Snake River, Stroms- 

 burg, Talmage, Tecumseh, Tekamah, Thedford, Trenton, Valentine. 

 Wahoo, Weeping Water, West Point. 



Fossil : Hay Springs. 



