400 MINNESOTA BOTANICAL STUDIES. 



1319. Wallich, G. C. Note on Desmidiaceae of Greenland. 

 Mo. Mic. Jour. 1 : 130. 1F1869. 



Names 27 species. Cosmarium and Staurastrum predominate. 



1320. Walmsley, W. H. Photomicrograph of Rinnboeck. 

 The Microscope. 5:181. 1885. 



1321. . The Preparation of Desmids. — (.Jour. Mic. 



Nat. Sci. : Jour. Post. Mic. Soc. and the Wesley Nat. Soc. O. S. 

 9:133. 1890.) 



1322. . Preservation of Algae. — (The Microscope. 



10:152. Myl890.) 



1323. Waltlier, J. The Formation of Structureless Chalk 

 by Sea-weeds, Science. 7:575, 576. 25Jel886. — (Jour. Roy. 

 Mic. Soc. II. 6:1023, 1024. D1886.) 



States that recent observations on the chalk-secreting algae of the 

 Mediterranean may throw light on the formation of the chalk beds 

 of western Kansas. 



1324. Wanner, A. The Discovery of Fossil Tracks, Algae, 

 etc., in the Triassic of York county, Pennsylvania. Geol. 

 Surv. Penn. Ann. Rep. for 1887. 21. 11 pi 



1325. Ward, L. F. Guide to the Flora of Washington and 

 Vicinity. L-237. (144.) 1881. 



Lists 2 species of Chara and 2 of Nitella. 



1326. . The Fossil Flora of the Globe. Bot. Gaz. 



9:169-174. ON1884. 



Abstract of paper read by the author before the American Associ- 

 ation for the Advancement of Science. Philadelphia, 1884. 



1327. . Synopsis of the Flora of the Laramie Group. 



U. S. Geol. Surv. 6th Ann. Rep. 399-557. (549.) pi 31. f. 1, 2. 

 1885. 



Fucus lignitum from Montana and Wyoming, noted and figured. 



1328. . The Geographical Distribution of Fossil 



Plants. U. S. Geol. Surv. 8th Ann. Rep. 663-960. 1889. 



Notes the finding of species of Fucoides, etc., from Quebec, New 

 York State, and other localities in North America. 



1329. . Report on the Department of Fossil Plants 



in the United States National Museum, 1888. Ann. Rep. Bd. 

 Regents Smiths. Inst. 1888-^:189-190. 1890. 



1330. . Report on the Department of Recent Plants 



in the United States National Museum. 1888. Ann. Rep. Bd. 

 Regents Smiths. Inst. 1 8 8 8 ' : 1 91-193. 1890. 



1331. Ward, II. H. Separating Diatoms. Am. Nat. 7 : 637. 

 f. 153. 01873. 



