§10 THE AMERICAN NA TURALIST. [Vol. XXXVII. 



and salinigrin in different willow and poplar barks, by Jowett and 

 Potter, is issued as No. 28 of the publications of The Wellcome 

 Chemical Research Laboratories. 



The Berichte der Deutschen Botanischen Gesellscha/t of March 25, 

 1903, includes a paper by Rosenberg on the chromosomes of a 



teristics 0/ hybrids. 



From a statement by the Director in Bulletin Ju Jar Jin Imferiale 

 Botanique Je St. Petcrsbourg,\ r ol. Ill, Livraison 1, it appears that 

 35,358 persons visited the extensive plant-houses of that great estab- 



20,655. 



The concluding number of Vol. II of the Bulletin of the New 

 York Botanical Gar Jen, issued in March, shows the incorporation of 

 about 90,000 herbarium specimens, the addition of 1962 bound vol- 

 umes to the library, and the increase of species of plants cultivated 

 in the Garden to about 10,600, for 1902. 



An account of the Glasgow Botanical Garden is contained in The 

 GarJeners' Chronicle of February 28. 



In the recently commenced Bulletin du Jar Jin Botanique Je T Etat 

 d Bruxelles, Professor Massart discusses the problem of gardens for 

 the class purposes of secondary schools, and gives a list of 72 de- 

 sirable species, including one Fungus, one Alga, four Bryophytes, 

 and three Pteridophytes, with instructions for the more difficult' 

 phases of the gardening. 



Country Life in America for March is a gardening issue, adequately 



