Ausländische Literatur, 



753 



6 Taf. — Farr, C. H,, Cell division by furrowing in Magnolia. 379 — ^396; 3 Taf. 



— 8* Fitzpatrick, H. M., The cytology of Eocronartium. 397 — -419; 3 Taf. — 

 Arthur, J. H., Uredinales of Guatemala based on collections of E- W. Holway. 

 II. Aecidiaceae, excl. of Puccinia and form-genera. 420 — 446. — ■ 9* 

 Black, O. F., Calcium Oxalate in the dasheen. 447 — 451. — Toole, E. H,, 

 and Tottingham, W. E., The Influence of certain added solids upon the 

 composition and efficiency of Knops nutrient Solution. 452 — 461. — 

 Arthur, J. C, Uredinales of Guatemala based on collections of E. W. D. Hol- 

 way. III. Puccinia, exclusive of species on Carduaceae. 462 — -489. — Harris, 

 J. A., On the osmotic concentration of the tissue fluids of Phanerogamic epi- 

 phytes. 490 — 506. — 10* Osterhout, W. J. V., Endurance of extreme conditions 

 and its relation to the theory of adaptation. 507 — 510. — Osterhout, W. J, V., 

 A simple niethod of demonstrating the production of aldehyde by Chloro- 

 phyll and by aniline dyes in the presence of sunUght. 511 — -513. — 

 Merrill, E. D., Oreomyrrhis borneensis Merr. sp. nov., an interesting additiou 

 to our knowledge of the Malayan flora. 514 — 515; i Taf. — • Harvey, R. B., 

 and True, R. H., Root absorption from solutions at minimuni concentra- 

 tions. 516 — 521. Arthur, J. C, Uredinales of Guatemala based on collections 

 of E. W. D. Holway. IV. Puccinia on Carduaceae, form-genera and index. 

 522—550. 



Bd. VI, 1919. I* Beach, W. S., Biologie specialization in the genus Septoria. 

 I — ii't I Taf. — Stewart, A., A consideration of certain pathologic conditions in 

 Ambrosia trifida. 34 — 46; i Taf. — ■ 2* Rock, J. F., Cyrtandreae Hawaiienses, 

 Sections Schizocalyces Hillebr. and Chaetocalyces Hillebr. 47 — 68 ; 6 Taf. — 

 Hayden, A., The ecologic foliar anatomy of some plants ot a prairie province 

 in central Jowa. 69 — 86; 6 Taf. — ^3* Hayden, A., The ecologic subterranean 

 anatomy of some plants of a prairie province in central Jowa. 87 — 105; 14 Taf. 



— Buchholz, J. T., Studies concerning the evolutionary Status of polycotyle- 

 dony. 106 — 119. — • Ramaley, F., The röle of sedges in some Colorado plant 

 communities. 120 — 130. — ■ 4* Gray, J., and Peirce, G. J., The influence of 

 light upon the action of stomata and its relation to the transpiration of certain 

 grains. 131 — 155. — Lloyd, F. E., The origin and nature of the mucilage in the 

 cacti and in certain other plants. 156 — 166. — Skinner, J. J., and Reid, F. R., 

 The influence of phosphates on the action of alpha-crotonic acid on plants. 

 167 — 180. — 5* Lutman, B. F., Osmotic pressures in the potato plant at various 

 stages of growth. 181 — 202. — Rock, J. F., Cyrtandreae Hawaiienses, Sect. 

 Microcalyces Hillebr. 203 — 216; 4 Taf. — 6* Twiss, W. C, A study of plastids 

 and mitochondria in Preissia and corn. 217 — 234; 2 Taf, — Stevens, N. E., 

 and Morse, F. W., The effect of the endrot fungus on cranberries. 235 — -241 



— Sando, C. E., Endothia pigments. II. Endothine red. 242 — 251. — • Reed, 

 H. S., Growth and variability in Helianthus. 252 — 272. — 7* Harper, R. A., 

 The structure of protoplasm. 273 — 300. — Farlow, W. G., Thaxter, R., and 

 Bailey, L. H., George Francis Atkinson. 301 — 302; i Taf. — Fitzpatrick, H. M., 

 Publications of George Francis Atkinson. 303 — ^308, — Knudson, L., Viability 

 of detached root-cap cells, 309 — -310, — ■ 8* Ensign, M. R., Venetion and sene- 

 scence of polyembryonic Citrus plants, 311 — 329, — Steinberg, R. A., A study 

 of some factors in the chemical Stimulation in the growth of Aspergillus niger. 

 330 — 356. — 9* Steinberg, R. A., A study of some factors in the chemical Stimu- 

 lation in the growth of Aspergillus niger. 357 — 372. — Johnston, E. S., An in- 

 dex of hardiness in peach buds. ^ij;^ — ^379. — Youngken, H. W., Notes on the 

 dasheen and chayote. 380 — 386, — Brown, M. M., The development of the 

 gametophyte and the distribution of the sexual characters in Funaria hygro- 

 metrica (L.) Schreb. 387 — 400; i Taf. — 10* Knudson, L., and Lindstorm, E.W., 

 Influence of sugars on the growth of albino plants. 401 — 405. — Weimer, J. L., 

 Variations in Pleurage curvicolla. 406 — 409. — Yampolsky, C, Inheritance 

 of sex in Mercurialis annua. 410 — 442; 3 Taf. — Andronescu, D. J., Germination 



Zeitschrift für Botanik. XIII. 48 



