968 JOURNAL OF THE EOYAL HORTICULTURAL SOCIETY. 



Seeds, Long-evity of Buried {Amer. Gard. xxii. p. 826; 7/12/1901). 

 Prof. W. J. Beal has been experimenting with buried seeds of the com- 

 moner weeds, and the following among others have germinated after being 

 buried 2 feet in clean sand for twenty-two years : — Mustard, Shepherd's 

 Purse, Mallow, Evening Primrose, Dock, Chickweed, and Mullein. 



C. C. H. 



Selenipedium caudatum Wallisii, Rolfe (Cogniaux in Diet. 

 Icon. Orch., Selenipcd., pi. 1a ; 5/1901 ). — Discovered in 1865 by Wallis for 

 Linden, in Peru. Flowers whitish, lined green and shaded rose. 



C. C. H. 



Silver-leaf in Peaches. By M. C. C. {Gard. Chron. No. 769, 



p. 220 ; September 21, 1901). — This disease, which is still a puzzle to all 

 who have studied it, is described, and its affinity to the disease known in 

 the United States as " The Yellows" is suggested, but no remedy for 

 either complaint is known. — G. S. S. 



Slug", The Pear and Cherry. By Walter W. Froggatt {Agr. Gaz. 

 N.S.W. p. 1,063-73 ; September 1901). — These pests, as well as Australian 

 Sawflies, are dealt with in a very able article, which is splendidly illus- 

 trated.—^. W. S. 



Sobralia x Veitchii (L. Linden in Lind. xvi. pi. 740; 1/5/1901). 

 A hybrid from S. macranilia and S. xantholeuca, first raised by Messrs. 

 Veitch, of Chelsea, in 1894. This exquisite variety is from the collection 

 of the Marquis de Wavrin. Sepals and petals creamy yellow, margined 

 with pale rose ; lip pale rose with rich yellow base. — C. C. H. 



Soils, Preparing". By Geo. Macdonald {Garden, No. 1,573, p. 25 ; 

 11/1/1902). — Tlie numerous sorts of soil — for instance, alluvial soil, clay 

 soil, clay loam, loam, peaty soil, sandy soil— are classified, and a description 

 of their composition given. The best methods of improving by cultural 

 practice, and by the addition of natural and chemical manures, are also 

 treated upon. — E. T. C. 



Soldanella Species. By Prof. Dr. V. von Borbas {Beih. Bot. Cent. 

 bd. X. ht. 4 and 5, pp. 279-283). — The author gives a key to and a short 

 description of six species of Soldanella, including S. alpina and S. mon- 

 tana.—G. F. S.-E. 



Soldanellas, The. By Henry Correvon {Garden, No. 1,579, p. 126 ; 

 22 2/1902). — A general description of this genus is given, followed by 

 detailed notes upon each species. Interesting information is conveyed 

 about the habits of these plants in their native Swiss Alps, and their 

 culture is also treated upon. There are illustrations of S. alinna, 

 S. montana, S. pusilla, and S. minima. — E. T. C. 



Sorghum Syrup Manufacture. By A. A. J)enion {U.S.A. Dept. 

 Agr. Bull. 135; 1901; illustrated). — This bulletin deals almost exclusively 

 with "the improving of the syrup by removing impurities from the juice," 

 and more especially with a view to helping small manufacturers to 

 improve the quality of their product. 



