174 



i68. Kerkhoven A. R. W. — Eenege Observaties betreffende de 

 " Red Rust „ op de theehesters. — Mededeel. Proefst. voor 

 thee Buiterzorg N. 32, pag, 35-40. 



169. Nakano H. — A Curious Green Alge on the Back of Tur- 

 toise. — The Botanical Magasine, voi. XXXIII, Tokyo 1919, 



pag. (i3)-(i5)- 



170. Osterhout W. J. V. & Haas A. R. C. — On the dynamics of 

 photosynthesis [in Ulva]. — Jourii. Gen. Physiol. I, 19 18, 

 pag. 1-16. 



171. Osterhout W. J. V. & Haas A R. C. — The temperature coef- 

 ficient of photosynthesis [in Ulva]. — Joiirn. Gen. Physiol. I, 

 1918, pag. 295-298. 



172. Pascher A. — Ueber die Kreuzung einzelliger, haploider Or- 

 ganismen, Chlamydomonas. — Ber. der deutschen botan. Ge- 

 sellschaft XXXIV, 1919, pag. 240-243, piate 14. 



173. Zeller S. M. — Fungi found on Codium mucronatum. — 

 Puget Sound Biol. Stai. Pubi. II, 1918, pag. 121- 123. 



Desmidiaceae, Zygnemaceae 



174. Acton E. — Studies on nuclear division in Desmids. — An- 

 nals of Botany voi. XXX, pag. 379-382, i piate, 4 Fig. 



175. Brown J. G. — • Abnormal Conjugation in Spirogyra. — Botan. 

 Gazette voi. 66, 1918, pag. 269-271, Fig. 1-3. 



176. Carter N. — Studies on the Chloroplasts of Desmids. IL — 

 Annals of Botany voi. XXXIII, N. CXXXI, 1919, pag. 295-304, 

 I Fig. in the Text, plates XIX-XX. 



177. Cunningham B. — Cross-conjugation in Spirogyra Weberi. 

 — Botan Gazette voi. 66, 1918, pag. 2-j2-2^'^, fig. i. 



178. Ducellier F. — Deux Desmidiacées nouvelles. — Bull. Soc. 

 Botan. de Genève 2"" sèrie, voi. XI, 1919, n. i, 2, 3 et 4, 

 pag. 117-121, 2 Fig. 



179. Transeau E. N. — Hybrids among species of Spirogyra. — 

 American Natiiralist voi. 53, 1919, pag. 109-119, 7 Fig. 



