Tilden: BIBLIOGRAPHY OF AMERICAN ALGAE. 385 



1117. Sargent, F. L. On the Schwendener Theory of the 

 Constitution of Lichens. Am. Mo. Mic. Jour. 8:21-25. F1887. 



1118. Saunders, D. Protophyta-Phycophyta. Univ. of 

 Neb. Fl. Neb. Published by the Botanical Seminar. 1 ^ : 15- 

 68. pi. 1-22. 15Agl894. 



1119. Scliaarschmidt, J. Specimen Phycologeae Aequa- 

 toriensis. Mag. Noevenytani Lapok. 5:17-24. 1881. Klaus- 

 enburg.— (Hedwigia. 21:93. 1882.) 



Specimens from Ecuador. 



1120. . Three Desmids new to the United States. 



Bull. Torr, Bot. Club. 12:51. My 1885. 



Notes descriptions of Desmids in Reinsch's Cont. Alg. et Fung (No. 

 1072 above) and names Cosmarium reinschli as new. 



1121. Scliively, Mary A. Hormactis quoyii. Proc. Phil. 

 Acad. 1890:497. (30D1890.) 1891. 



Specimens of this marine alga both mounted and in alcohol pre- 

 sented to the museum. 



1122. Scliniidle, W. Ton. Einige Algen aus Denver. Col- 

 orado, U. S. A. Hedwigia. 34:84, 85. If. 8Apl895. 



Thirteen species named including 1 new species and 1 new variety of 

 Cosmarium. 



1123. Schmidt, A . Atlas der Diatomaceen-Kunde. 1885. — . 

 The work contains occasional figures of new American species. 



1124. Schniitz. F. Die systematische Stellung der Gattung 

 Thorea Bory. Berichte Deutsch. Bot. Gesell. 10:115-142. 

 (17Mr.) 1892. 



1125. Schneck, J. Catalogue of the Flora of the Wabash 

 Valley below the Mouth of White river, and Observations 

 thereon. 7th Ann. Rep. Geol. Surv. Ind. 1875. 504-576. 

 1876.— (Bot. Gaz. 2:65. D1876.) 



Lists Chara polyphylla from the Wabash river. 



1126. Schneider, A. Mutualistic Symbiosis of Algae and 

 Bacteria with Cycas revoluta. Bot. Gaz. 19:25-32. yl. 3, 4. 

 17Jal894. 



Eight genera of algae were represented in the greenish coating of the 

 leaves of Cycas and Nostoc in the root tubercles. 



1127. Schofield, J. R. Notes on the Flora of the Artesian 

 Well. Publications of the Nebraska Academy of Sciences. 

 2:23, 24. 1892. 



Conferva martialis Hanst., Protococcus frustulosus (Carm.) de Toni, 

 Oscillaria gracillima Kg, and 2 diatoms were found in the well at 

 Lincoln, Nebraska. 



Schramm, A. See Maze, H. and Schramm, A. 



