402 MINNESOTA BOTANICAL STUDIES. 



1347. Webber, H. J. Appendix to the Catalogue of the 

 Flora of Nebraska. Contributions from the Shaw School of 

 Botany. No. 9. Trans. Acad. Sci. St. Louis. 6:1-47. (8-11. 20.) 

 12Mrl892. 



Names 2 species of Chara, 3 of Nitella and 27 of other algae. 



1348. Weber van Bosse, A. Etude sur les Algues Parasites 

 des Paresseux. Nat. Verh., H'oUand, Maatsch. der Weten- 

 schappen Haarlem. 2 pi. 1887.— (Bull. Torr. Bot. Club. 15:25. 

 5Jal888.) 



1349. Weed, W. H. Formation of Travertine and Silicious 

 Sinter by the Vegetation of Hot Springs. U. S. Geol. Surv. 

 9th Ann. Rep. 613-676. pi. 78-87. 1889.— (Bull. Torr. Bot. Club. 

 18:27, 28. 20Jal891.)-(Am. Jour. Sci. III. 41:158, 159. 

 F1891.) 



States that thermal spring vegetation is entirely algal and in Yellow- 

 stone regions occurs only at a temperature below 185° F. 



1350. . The Diatom Marshes and Diatom Beds of the 



Yellowstone National Park. Bot. Gaz. 14: 117-120. My 1889. 

 — (Mic. Bull. 6:17. 1889.)— (The Microscope. 9:217, 218. 

 J11889.) -(Jour. Roy. Mic. Soc. 1889:794. 1889.) 



Enumerates 11 species. 



1351. , The Vegetation of Hot Springs. Am. Nat. 



23:394-400. Myl889. 



1352. . Note on Sinter- forming Algae. Am. Jour. 



Sci. III. 37:501. Jel889. 



1353. . The Geological Work of Mosses and Algae. 



Am. Geol. 7:48-55. Jal891. 



1354. Weir, F. W. Cleaning Recent Diatomaceous Mate- 

 rial. The Microscope. 9:1-4. Jal889. 



1355. . A New Diatom Mounting Medium. Am. Mo. 



Mic. Jour. 11:86. Apl890 



1356. Wells, S. The Structure of Eupodiscus argus. Mo. 

 Mic. Jour. 9:110, 111. p?. iy, lMrl873. 



Description of specimens from Buzzard's Bay, Mass. 



1357. . The Markings of Prustulia saxonica. — (Mo. 



Mic. Jour. 16:169,170. 101876.) 



Read before the Royal Microscopical Society. 



1358. West, W. Desmids of Maine. Jour, of Bot. 26:339, 

 340. N1888. 



Adds 73 species to Professor Harvey's list. 



