Tilden: LIST OF fresh- water algae. 231 



117. Cladophora fracta (Dillw. ) Kg. var. patens Ag. 



Syst. Alg. 110. n. 83. 1824. 

 Rest Island, Lake Pepin, Wabasha county. September 

 2, 1891. 



118. Cladophora fracta (Dillw.) Kg. var. rigidula (Kg. ) 



Rabenh. F1. Eur. Algar. 3 : 335. 1868. 

 Minneapolis. August 25, 1894. 



119. Cladophora fracta (Dillw.) Kg. var. setiformis (Kg.) 



Tild. Am. Alg. No. 28. 1894. 

 Purgatory creek, Eden Prairie, Hennepin county, 

 July 14, 1894. 



120. Cladophora oligoclona Kg. Phyc. Germ. 218. n. 98. 



1845. 



Near Shadow Falls, St. Paul. August 3, 1894. 



121. Cladophora oligoclona Kg. var. flotowiana (Kg. ) Hansg. 



Prodr. 81. 1886-88. 

 Wood lake, Hennepin county. May 21, 1894. 



122. Cladophora crispata (Roth) Kg. var. brachyclados 



Kg. Alg. Exsicc. 4-67 {sub Conferva) 1833-36. 

 Lake City, Wabasha county. September 2, 1894. 



123. Cladophora crispata (Roth) Kg. var. vitrea (Kg.) 



Rabenh. F1. Eur. Algar. 3 : 336. 1868. 

 Minneapolis. June 27, 1894. 



124. Cladophora glonierata (Linn.) Kg. var. fasciculata 



Rabenh. F1. Eur. Algar. 3 : 339. 1868. 

 Minneapolis. July 6, 1894. 



125. Cladophora glonierata (Linn.) Kg. var. rivularis 



Rabenh, F1. Alg. n. 147. 1861-78. 

 Lake City, Wabasha county. September 4, 1894. 



126. Cladophora glonierata (Linn.) Kg. var. clayata 



WoLLE Freshw. U. S. 128. 1887. 

 Riley's coulie, Lake Pej)in, Wabasha county. Septem- 

 ber 4. 1894. 



127. Cladophora calliconia Ag. in Phyc. Gener. 257. 1843 



Minnesota river, Fort Snelling. October 1, 1894. 



128. Cladophora declinata Kg. Spec. Alg. 406. 1849. 



Minneapolis. August 3, 1894. 



129. Cladophora declinata Kg. var. pninila (Bail. ) Kirch n. 



Alg. Schles. 75. 1878. 



Bridal-veil falls, Minneapolis. June 26, 1894. 



