478 BOTANICAL GAZETTE [DECEMBER 
eases, etc., of crops, not generally believed to be caused by fungi and insects.” 
This constitutes a supplement to the similar list of the literature of diseases due 
to parasites that was published by Srurets.4? Both lists should be bound 
together for more convenient reference by the working patpoingist —E. MEAD 
WILCox. 
Hans Hattrer4s has published a curious, personally flavored account of his 
scheme of classification of seed plants. It is a statement of his right to be heard, 
a complaint that his views have been given scant attention or none at all, and a 
general outline of his scheme. Of course it will be taken up or discarded on its 
merits, without any reference to personal rights or feelings——J. M. C 
Cook and Horng, ‘4 in the first bulletin of the new Cuban Experiment Station, 
give the results of a year’s study of the insect enemies and certain diseases of 
tobacco in Cuba: the seed-bed disease due to a species of Rhizoctonia; mosaic 
ase; leaf-spot due to Cercospora nicotiana; and an injury due to the para- 
sitism of Orobanche ramosa-—E. MEAD WILCOX. 
REwS finds,*5 contrary to the results of DEMoor,*® that the nucleus cannot 
divide independently of the protoplasm, and that if the protoplasm is killed or . 
temporarily disabled, the nuclear activity is soon (sometimes immediately) 
affected —C. R. B. 
To THE LIST of plants which form chlorophyll in darkness Miss BITTNER 
adds? Fegatella conica, various mosses, the reduced leaves on fern rhizomes, the 
spores of Osmunda regalis, and scales of Selaginella—C. R. B 
42 Sturcis, W. C., Literature of plant-diseases. Rept. 24, Conn. Exp. Stat. 
1900: 255-297. Igor. 
43 HALLIER, Hans, Provisional scheme of the natural (phylogenetic) system of 
flowering plants. New Phytologist 4:151~-162. 
44 Cook, M. T., and Wet. ane and diseases of tobacco. (English 
edition.) Bulletion Estacién Central Agronémica de Cuba 1:1-23. figs. I-20. 1995. 
45 ANDREWS, F. M., The effect of gases on nuclear Pa: Annals of Bot. 
19:521-530. 1905. 
46 Demoor, Contribution 4 |’étude de la physiologie de la cellule. Archives de 
Biol. 13:30-54. 1894 
47 BITTNER, Karo.ina, Ueber Chlorophyllbildung im Finstern bei Kryptogamen. 
Oesterr. Bot. Zeits. 55:302-312. 1905. 
