338 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



Illinois, 1901 ; pp. 409-412). — A careful paper fully describing this sub- 

 ject. Mention is made of 'Keiffer,' 1 Garber,' * Le Conte,' ' Conklin,' and 

 1 Duchess.' For practical purposes the 1 Garber ' and ' Duchess ' are 

 recommended for cross-fertilisation. — V. J. M. 



Pears with Salmon-coloured Flesh. By Charles Baltet (lie v. 

 Hort. pp. 106, 107; March 1, 1902). — A description of several varieties. 

 1 Prince Imperial,' ' Calebasse Tongard,' ' Georges Delebecque,' 1 La 

 Vendeenne,' 1 Madame Verte,' ' Colmar Dumortier,' 'Madame Hutin,' and 

 * Josephine de Malines ' are selected from others as the best. — C. T. D. 



Pelargoniums, New, large-flowered. By Max Burger ( Garten- 

 flora, p. 57 ; pi. 1495; 1/2/1902). — Five new Pelargoniums are figured 

 and described. — J. P. 



PentStemons. By C. Wolley-Dod (Garcl. Mag. No. 2,520, p. 100 ; 

 15/2/1902). — Following a paragraph on the origin of the florist's Pent- 

 stemon, Mr. Wolley Dod gives a special note on the beautiful P. Mcnziesii, 

 undoubtedly among the finest of the species suitable for border culture. 

 It is one of the shrubby section, but, unlike the rest, is less capricious in 

 this country if grown in a light soil. It certainly is a plant that should be 

 taken in hand by the hybridist, as from its constitution and habit the 

 crossing might result in a new race suitable to this country and climate. 

 A good illustration of a well-developed plant of P. Mcnziesii is given. 



W. G. 



Persimmon, The Japanese (Diospyros Kaki). By R. L. Watts 

 {Bull. Bot. Dep Jamaica, ix. Parts 1 and 2, p. 26). — This is an abstract 

 from " Bulletin on Persimmons : Agricultural Experiment Station of 

 Tennessee." The author deals with its native distribution and distribu- 

 tion by cultivation. It has been much improved by the Japanese, and 

 many varieties have been produced, the fruit varying very greatly in shape 

 and colour. The flavour also varies considerably. He then discusses the 

 uses of the fruit, the cultivation, transplanting, pruning, and thinning. 



G. H. 



Petroleum and other Insecticides, Further Notes on. By 



E. P. Felt (U.S. A. Dep. Agr.,Div.Ent. Bull. No. 31,N.S.,pp.49-51 ; 1902). 

 A short report on some further experiments with crude petroleum. No 

 suggestions are given likely to be of service to horticulturists in this 

 country. An abstract on these experiments was given in a previous 

 number of this Journal.— R. N. 



Phylloxera of the Vine. By F. T. Bioletti (C7.Sf.-4. Agr. Exp. Stn., 

 California, Bull. 131; 5/1901; 4 figs.). — This bulletin gives a brief de- 

 scription of the insect and the injuries it causes and suggests remedies. 

 (1) Treatment of the soil with carbon bisulphide. (2) Submersion of the 

 roots for about a week at first and later for thirty-five to forty days 

 while vines are dormant. (8) Planting in sand. (4) The planting of 

 " insistent" vines— the most important method. 



