No. 485] NOTES AND LITERATURE 345 



Opuntia pmilla as a Cape weed is discussed by Nobbs in The 

 Agricultural Journal of the Cape of Good Hope for December. 



Illustrations of the celebrated cypress of Tule are given in Forest 

 Leaves for December. 



Notes on rare ferns about Media, Pa., and especially Asplenium 

 ehenoicles, are given by PaluKT in vol. 2, no. 1 of the Proceedings of 



From notes in Xatiire of I)ecem})er 13 and January 10, it appears 

 a subject of debate whethel- Spharotlieca mors-ura: is a new pest in 

 England or one of 30 years' standing. 



Berghs gives an account of the nuclear phenomena of Spirogyra 

 in vol. 23, fascicle 1 of La Cellule. 



Cruchet publishes on Labiate rusts in the Centralblaft fur Bak- 

 teriologw &c., Abteilung II., of Dec. 28. 



The biology of tlie sand areas of Illinois is the subject of vol. 7, 

 article 7, of the Bulleim of the Illinois State Laboratori/ of Natural 

 History, by Hart and (ileason. 



A short readable expr^.ition of liis views on evolution and mutation 

 is given by l)e^'ri(^s in Thr Munisf tor January. 



An illustrated l.aiuH.onk <.|- -'V\^v Microscopy of Vegetable Foods" 

 with special reference to ihc> detection of adulteration and the diagnosis 

 of mixtures, by Winton and Moeller, has recently l)een issued by 

 John Wilev and Sons of New \'ork and Chajunan and Hall of London. 



The flora of the Cuban 'Sierra Maestra' is considered in a forestry 

 studv rei)orted by Fernow and ^Faylor in the Forestry Quarterly of 

 December. 



Tobacco-culture experiments, bv Hunger, occupy jiart 3 of the cur- 

 rent vohune of Archives du Musee Teyler. 



(Hiaynle (Parthenium) rubber is the subject of a statistical note 



