Band 142. No. 3. XL. Jahrgang. 



I. Allgemeines. 



CoIIins, F. S. 1918. Notes from the Woods Hole Laboratory. 1917. 



(Rhodora. XX. p. 141—143. 1 pl.) 

 CoIIins, J. F. 1918. On using an ether freezing microtome in warm 



and damp weather. (Phytopathology. VIL p. 222—223.) 

 Davis, B. M. 1918. Botany after the war. (Science. XLVIII. p. 514—515.) 

 Font Quer, P. 1917. El Departament de botanico del Museu. (Anuari 



Junta Cienc. nat. Barcelona. IL p. 253—276.) 

 Goodspeed, T. H. 1918. Modified safety-razor blade holder for tempe- 



rature control. (Bot. Gaz. LXVI. p. 176—177. 1 f.) 

 Ciüssow, H. T. 1917. A thumb clip for use with magnifiers. (Phyto- 

 pathology. VII. p. 451-452. 2 f.) 

 Gttssow, H. T. 1918. Microphotography simplified. (Phytopathology. 



VIII. p. 447—448.) 

 Hetten, W. M. van 1918. Gids voor de bezoekers van den Cultuur- 



tuin. (Med. Cultuurtuin Buitenzorg. 1918. 11. 143 pp.) 

 Lunell, J. 1918. The collecting, drying and mounting of plant spe- 



cimens. (Amer. Midland Nat. V. p. 191 — 195.) 

 Williams, S. R. 1917. Scientific drawing in biology. (Ohio Journ. Sc. 



XVII. p. 205—212.) 



n. Anatomie. 



Mae Daniels, L. H. 1918. The histology of the phloem in certain 

 Woody angiosperms. (Amer. Journ. Bot. V. p. 347—378. pl. 24—29.) 



Maefarlane, J. M. 1918. Synchronism in plant structures. (Brook- 

 lyn bot. Gard. Mem. I. p. 313—326.) 



Moil, J. W. und H. H. Janssonius. 1918. Mikrographie des Holzes der 

 auf Java vorkommenden Baumarten. 5e Lieferung. (Leiden, E. J. 

 Brill. 1918. 80. p. 337—764. 40 F.) 



m. Biologie. 



Harper, R. M. 1918. The American pitcher plants. (Journ. Elisha 

 Mitchell Sc. Soc. XXXIV. p. 110—125. pl. 2—6.) 



IV. Morphologie, Teratologie, Befruchtung, Cytologie. 



Cf. VI. Lundegärdh. 



Bisset, P. 1918. Prolification in a double-flowered form of Calendula 



officinalis. (Journ of Heredity IX. p. 323—325. 2 f.) 

 Buchholz, J. T. 1918. Suspensor and early embryo of Pinus. (Bot. 



Gaz. LXVI. p. 185—228. 3 f. pl. 6-10.) 

 Farr, C. H. 1918. Cell division by furrowing in Magnolia. (Amer. 



Journ. Bot. V. p. 379-395. 3 pl.) 

 Grier, N. M. 1918. Double flowers in Hemerocallis fulva, Linn. 



(Torreya. XVIII. p. 242.) 

 Harris, J. A. 1918. Further studies on the interrelationship of mor- 



phological and physiological characters in seedlings of Phaseolus. 



(Brooklyn bot. Gard. Mem. I. p. 167—174.) 

 Harris, J. A. 1918. The interrelationship of the number of stamens 



and pistils in the flowers of Ficäria. (Biol. Bull. XXXIV. p. 7—17.) 

 Loeb, J. 1918. The law Controlling the quantity of regeneration in 



the stem of Bryophyllum calycinum. (Journ. Gen. Phvsiol. I. 



p. 81-96. 5 f.) 



V. Varietäten, Descendenz, Hybriden. 

 Cf. VI. Damm; XVIII. Gates. 



Babcoek, E. B. 1918, The röle of factor mutations in evolution. 

 (Amer. Nat. LH. p. 116-128.) 



Botan. Centralblatt. Band li2. 1919. 3 



