DISEASES OF PLANTS. 855 



fragrant. The blooming period begins about September and lasts until freezing 

 weather. 



Daffodils, T. Bare {Jour. Hort., 52 {1000), No>i. 271S, p. 396; 2719, p. 416).— K 

 historical sketc-h. 



Notes on the honeysuckles, E. A. Popexoe {Amer. Gard., 22 {1900), Ko. SIS, 

 p. 57). — The fharactcr and method of propagation and culture of a number of shrub 

 and twining species of Lonicera are reported. 



The raising' of orchids from, seed {Gard. Chron., 8. .ler., 28 {1900), No. 725, pp. 

 350, 351). — Details of a successful method of growing orcliids from seed. 



Methods for growing- seed from Phlox divaricata, Daphne cneorum, Toxi- 

 cophlcea thunbergi, Yucca filamentosa, ]M. Lobxer {Garteiijloni, 50 [1001), No. 

 2, pp. 44-4S, fi'jif. 5). — The successful methods of the author in fruiting these plants 

 are outlined. 



International Cong-ress of Rose Growers {Jour. Soc. Nat. Hort. France, 4-^0% 1 

 {1900), Oct., pp. 693-740). — In addition to the official proceedings of the society, the 

 text of the following papers, which were read at the meeting of the society in Paris, 

 June 14, 1900, is given: Classification of roses, Virger; Are there races of roses? 

 Viviand-Morel; Hybridity, Allard; The influence of scion on the stock; The different 

 forms of roses and their characteristics, JMeyran; Study of the better varieties of 

 China roses adopted by the congress, Meyran. 



DISEASES OF PLANTS. 



Some field experiments -with formalin, M. B. Thomas {Proc. 

 Indiana Acad. Sci. 1898, pj). 62-64)- — An account is given of field 

 experiments with oats for the prevention of smut by treating the seed 

 with i per cent solution of formalin, after which the seed was sown 

 broadcast. Untreated oats were sown at the same time, and so far as 

 early appearances were concerned no difference could be observed as 

 a result of the treatment. The mature plants from the treated seeds 

 were slightly smaller than those from the untreated ones, but the amount 

 of grain produced was the same in both cases. Upon ripening, the 

 plants of the untreated seed showed 6 per cent smutty heads, while 

 there was not a trace of smut to be found on any of the plants grown 

 from the treated seeds. 



In experiments Avith corn in w-hich the grain was soaked in a 1 per 

 cent solution, the seeds were dela^'ed somewhat in their germination, 

 but the early attacks of smut were totally prevented hy the treatment. 

 Later infection during the growth of the plant was not prevented by 

 the use of the fungicide. 



Seed treatment for the prevention of beet diseases, M. Hoff- 

 mann {Deut. Landw. Fresse, 27 {1900), Ko. 66, fj). 819, 820).— A.n 

 account is given of experiments in which the effect of seed treatment 

 on the germination of seed and the prevention of some of the diseases 

 of beets were investigated. Different lots of -beet seed were soaked 

 for 20 hours in a 1 per cent solution of carbolic acid, for 30 minutes 

 in concentrated sulphuric acid, after which they were washed in fresh 

 water and milk of lime; for 20 hours in a 2 per cent solution of h'sol, 



