No. 445-] 



NOTES AND LITERATURE. 



83 



The phenological relations of sun-spots form the subject of a short 

 note, with curves, by MacDowall, in Nature of August 27. 



An illustrated account of the lumber industry of the Northwest 



McFarland, is contained in T/ie Outlook of Octol)er 3. 



An economic account of Zizania, by Urown and Scoficid, is pub- 

 lished as Bulletin No. jo of the Bureau of IMiint Industry ol iIr- 

 United States Department of Agriculture. 



The differentials of varieties of Avena. and tiiose of Triticum. arc- 

 respectively discussed by Dufour and Das.sonville in the A'rTur 

 generale de Botanique oi July 12, and Scofield in Bulletin No. 4J of 

 the Bureau of Plant Industry of the U. S. Department of Agriculture. 



Agricultural Bulletin of the Straits and Federated Malay State.t, for 

 April and May last. 



An illustrated paper on origin and distribution of camphor in the 

 camphor tree, by Homi Shirasawa, is published in Vol. 5, no. 3, 

 of the Bulletin of the College of Agriculture of the Tokyo Imperial 



In the Pharmaceutical Revieio, of September, True shows that 

 under the name of Pink-root Ruellia ciliosa occurs in the trade-, as 

 well as Spigelia marilandica. 



A well illustrated account of CastiUa elastica and the Central .An.ei- 

 ican production of rubber from it, by Cook, forms Ihilldin no. of 

 the Bureau of Plant Industry of the U. S. Department of .A-riculturt-. 



The first of a series of notes on latex-yieldin- .\poc vnac. u of thr 

 Congo, by De Wildeman, has been issued at Brussels as a pu!>!i. .\\u ,u 

 of the Independent State of the Congo. 



An account of the root-parasitism of the sandal tree, by Kama l< 10, 

 is contained in 7he Indian Forester of Septembt i . 



An account of the Lsoetes of southern California is compiled for 

 the IVest American Scientist of September. 



Helpful notes on the collection and cultivation of c ry i.to^ams t-n 

 use in the biological laboratory are contained in current niunh* .t 

 the fournal of Applied Microscopy and Laboratory Methods. 



