Ausländische Literatur. 



735 



on Sonclius. 414 — 416. — ■ 6* Pritchard, F. J., vSoine recent investigations in 

 sugar-beet breeding. 425 — -465. — ■ Forsaith, C. C, Pollen sterility in relation 

 to the geographica! distribution of sonie Onagraceae 466 — -487; 3 Taf. — • 

 Roberts, E. A., The epidermal cells of roots. 488 — -506. — ■ Jeffrey, E. C, Octave 

 Lignier. 507 — 508. 



Bd. LXIII, 1917. I* de Vries, H., Oenotliera Lamarckiana niut. velutina. 

 I — -24; I Taf. — Loeb, J., Influence of the leaf upon root formation and geotro- 

 pic curvature in the stem of Bryophyllum calycinmn and the possibility of a 

 hormone theory of these processes. 25 — ^50. — Chamberlain, C. J., Prothallia 

 and sporelings of three New Zealand species of Lycopodium, 51 — 65; 2 Taf. 

 — Spessard, E. A., Prothallia of Lycopodiuni in America. 66 — 75. — ■ Osterhout, 

 W. J. V., Similarity in the effects of potassium Cyanide and ether. jj — -88. — 

 2* Stober, J. P., A comparative study of winter and sunimer leaves of various 

 herbs. 89 — 109. — • Cole, R. D., Imperfection of pollen and mutability in the 

 genus Rosa, iio — ^123; 3 Taf. — Hutchinson, A. H., Morphology of Keteleeria 

 Fortunei. 124 — 134; 2 Taf. — Wylie, R. B., The pollination of Vallisneria .spi- 

 ralis. 135 — 145. — • Osterhout, W. J. V., Tolerance of fresh water by marine 

 plants and its relation to adaptation 146 — 149 — Chamberlain, C. J., Henry 

 Harold Welch Pearson. 150 — 151. — ■ Ramaley, S., Soil moisture index. 151 — -152. 

 — -3* Groves, J.F., Temperature and life duration of seeds. 169 — 189. — -Forsaith, 

 C. C, A report on some alloethonous peat deposits of Florida. Part II. 190 

 — 208; 2 Taf. — • Doubt, S. L., The response of plants to illuminating gas. 209 

 — 224. — • Bunzell, H.H., and Hasselbring, H , The supposed action of potassium 

 permanganate with plant peroxidases. 225 — -228. — Reed, E L., Leaf nectaries 

 of Gossypium. 229 — 231 ; 2 Taf. — • Haas, A. R., The reaction of plant protoplasm. 

 232 — -235. — Gardner, N. L., A freezing device for the rotary microtome. 236 

 — 239. — - 4* Kenoyer, L. A., Bnviron mental influences on nectar secretion. 

 249 — 265. — - Weniger, W., Development of embrj^o sac and embryo in Euphorbia 

 Preslii and Euphorbia splendens. 266 — 281; 3 Taf. — Fitzpatrick, H. M., The 

 development of the ascocarp of Rhizina undulata 282 — -296; 2 Taf. — ■ Stevens, 

 F. L., Problems of plant pathology. 297 — -306. — - Robertson, C, Flowers and 

 insects XX. Evolution of entomophilous flowers. 307 — 316. — - Osterhout, W. 

 J. V., Does the temperature coeffizient of permeability indicate that it is chemical 

 nature ? 317 — -320. — - Harvey, R. B., A method for producing conductivity 

 water. 321 — 322. — 5* Gano, L., A study in physiographic ecology in Northern 

 Florida. })}iJ — 372. — ■ Denny, F. E., Permeability of certain plant membranes to 

 water. 373 — -397. — Schneider, C, Arbores fruticesque chinenses novi I. 398 

 — 405. — - Chien, S. S., Peculiar effects of barium, Strontium and ceriuni on Spiro- 

 gyra 406 — 408. — Hill, J. B., ^Manipulating microscopic organisms in staining. 

 410 — 412. — ■ Johnson, D. S., The botanical Station at Cinclona. 412 — 413. 

 — 6* Dünn, G. A., Devc-lopment of Dumontia filiformis. II. Development of 

 sexual plants and general discussion of results. 425 — 467; 4 Taf. — Cunning- 

 ham, B., Sexuality of filament of Spirogyra. 486 — 500; 3 Taf. — Arthur, J. C, 

 Orange rusts of Rubus. 501 — 515. — Schneider, C, Arbores fructicesque chinen- 

 sis novi II. 516 — 523. 



Bd. LXIV, 1917. I* Bryan, G. S., The archegonium of Catharinea angustata 

 Brit. (Atrichum angustatum). i — ^20; 8 Taf. — ■ Sherff, E. E., Studies on the 

 genus Bidens. iV. 21 — 42; 2 Taf. — Kraybill, H. R., Effect of some alkali salts 

 upon fire-holding capacity of tobacco. 42- -57. — Long, W. H., Notes on new 

 or rare species of Ravenelia. 57 — 69. — Schneider, C, Arbores fructicesque 

 Chinensis novi. III. 70 — 78. — Macbride, S. F., and Payson, E. B., Anelsonia, 

 a new genus of the Cruciferae. 79 — 81. — 2* Mac Caughay, V., A survey of the 

 Hawaian land flora. 89 — 114. — ■ Dupler, A.V., The gametophytes of Taxus ca- 

 nadensis Morsh. 115 — 136; 4 Taf. — Schneider, C, Arbores fruticesque Chinensis 

 novi. IV. 137 — 148; I Taf. — Moore, B., Reproduction in the coniferous forests 

 of Northern New England. 149 — 158. — ■ Sawyer, M. L., Pollen tube and sper 



