46 



23. Steinmann Gr. — Ueber fossile Dasycladaceen von Cerro Esca- 

 mela, Mexico. — Botati. Zeitung LVII. Jahrg., 1899, Heft Vili, 

 p. 137-154, m. 21 Textfiguren. 



24. Tokutaro I. — Notes on Acetabularia mediterranea. Lamour. 

 from the Luchu Islands. — Hedwigìa XXXVIII, 1899, p. (i84)-(i86). 



Desmidiaceae 



25. West Gr. S. — On variation in the Desmidieae, and its bearings 

 on their Classifìcation. — Journ. Liuti. Soc, Bot., voi. XXVII (1899) 

 p. 366-416, plates 8-1 1. 



Characeae 



26. Bennett A. — Notes on Cambridgeshire Plants. — Journal 

 of Botany XXXVII, 1899, p. 243-247. 



Myxophyceae 



27. Schmidt J. — Danmarks blaagrònne Alger (Cyanophyceae 

 Daniae). I. Hormogoneae. — Botanisk Tidsskrift 22. Bind, 3. Hefte, 

 1899, p. 283-418, figg. 38. 



28. West W. — Some Oscillarioideae from the Plankton. -- Journ. 

 of Botany XXXVII, 1899, p. 337-338, piate 400 A. 



Bacillarieae 



29. Cleve P. T. — Diatoms from Franz Josef Land collected by 

 Harmsworth-Jackson expedition. — Bihang tiìl K. Sv. Vet. Akad. 

 Mandi. XXIV, III, p. 1-26, 9 Fig. 



30. G-roves E. — Diatoms of St. Vincent, West lndies. — Janni, 

 of Botany voi. XXXVII, 1899, n. 442, p. 411-417. 



3i. Mueller O. — Bacillariaceen aus den Natronthàlern von El 



Kab (Ober-Aegypten). — Hedwigìa XXXVIII, 1899, Heft 5, p. 274, 



Taf. X-XII. 

 32. Prudent P. — Diatomées de l'étang de Charamel et du canal 



Catelan. — Ann. Soc. hot. de Lyon XXIII, 1898, Compt. rend. d. 



séances p. 28-29. 



