116 



12Ó. Artari A. — Zur Frage der physiologischen Rassen einigcr grù- 

 nen Algen. — Ber. deut. hot. Gcsellsch. XX, 1902, p. 172-175. 



127. Barton E. S. — The genus Ilalimeda, with 4 plates. — Siboga- 

 Exped. Monogr. LX. — Leiden, 1901, Brill, 4^^. 



128. Brand Ch. J. — Stapfia cylindrica in Minnesota. — Minnesota 

 Boianical Stndies Third Series, part I, igoS, p. 71-74, piate XVI, 

 fig. 1-7. 



129. Collins F. S. — The Ulvaceae of North .America. — Rhodora 

 voi. V, 1903, n. I, p. i-3i, plates 41-43. 



i3o. Crosby Caroline M. — Observations on Dictyosphaeria. — Miti- 



nesota Botanical Stndies Third Series, part. I, 1903, pag. 6 1-70, 



piate XV. 

 i3i. Fritsch F, E. — Observations on the young plants of Stigeo- 



clonium Kùtz. — Beihefte \iim BoUin. Ccnlrallìlalt Band XIII, 



1903, Heft 4, p. 3Ó8-387, Taf. XI-XIl. 

 i32. Fritsch F. E. — The Structure and Development of the young 



plants of Oedogonium. — Annuls of Botany voi. XVI, 1902, 



n. LXllI, p. 4Ó7-485. 



Oharaceae 



i33. Lllley Gene. — Nitella batrachosperma in Minnesota. — Minne- 

 nesota Butauical Stndies Third Series, part I, i9o3, pag. 79-82, 

 piate XVIII. 



Myxophyceue 



134. Gaidukov N. — Ueber den Einfluss farbigcn Lichts aufdieFar- 

 bung lebender Oscillarien. — Abhandl. Berlin. Ahad. 1902, pp. 3b. 

 4 Taf. 



i35. Mone Daisy S. — Petalonema alatum in Minnesota. — Minne- 

 sota Botanical Stndies Third Series, part I, 1903, pag. 47-5o, 

 piate XIII. 



i3t). Moliseli H. — Die sogenannten Gasvacuolen und das Schweben 

 gewisser Phycochromaceen, mit 4 Textfìguren. — Botali. Zeitnng 

 1903, L. Abth., Heft 111, p. 47-58. 



137. Nelson N. P. B. — Observations upon some Algae which cause 

 « water bloom ». — Minnesota Botanical Stndies Third Series, 

 part I, 1903, p. 5 1-56, piate XIV. 



