^ OLUB. 



Botanical Gazette. 



Vol. VII. AUGUST & SEPTEMBER, 1882. Nos. 8 & 9. 



Editorial. — Mr. Joseph F. James has written a pleasant 

 memoir of Clias. Darwin, which has been published in the 

 Journal of the Cin. Soc. Nat. Hist. 



Re 7. A. B. Hervey sends word of the death of Dr. G. Dickie, 

 F. L. S., of Aberdeen, Scotland, a well known British Algologist, 

 which occurred July .15th. 



Mr A. C. Palmer, in the Am. Monthly Micr. Jour., calls at- 

 tention to the fact that Nalas fiexilis furnishes a fine illustration 

 of cyclosis, even better than the stock examples, Vallisneria and 

 Anacharis. 



A correspondent, referring to Mr. Arthur's note on page 88 

 of the last Gazette asks: u Ts Mr. Arthur quite sure that rats, or 

 other vermin, had not carried the crab apples under the stone and 

 left the seeds?" 



F. Reinitzer propounds the theory that transpiration is an 

 injurious agent, a necessary evil, in the life of the plant. This view 

 lie founds on the fact that transpiration exercises a retarding influ- 

 ence on growth. 



M. Alph. DeCaadolle has just distributed a small pamphlet 

 containing two papers; the first "Sur im Caractere de la Batate, 1 ' 

 and the other "Observation de M. Meehan sur la Variabilite du 

 Cliene Rouvre (Quercus Robur) et Remarque de M. Alph. DeCan- 

 dolle.'" 



Rev. E. L. Greene, in the Torre;/ Bulletin for September, 

 describes seven new Californian Composite, four of which belong 

 to the genus Hemizonia. Mr. Greene is coming rapidly to the 

 front as a publisher of new species and his work among our western 

 plants has been invaluable. 



Karl Richter has determined that the substance of the cell- 

 wall of Fungi fails to display the ordinary reactions of cellulose 

 because of the intimate mixture of the cellulose with a foreign 

 substance which he eliminated by treating for a prolonged period 

 with potash and washing with a weak acid, after which the blue 

 coloring with chloriodide of zinc is obtained. 



The "cucumber odor" of the water which has been troubling 

 Boston so much, has been traced to the presence, not of plants', 



