454 EXPERIMENT STATION RECORD. 



and the methods <>i' culture and selection, including the newer methods of propagat- 

 ing seed beets by grafting and from cuttings. 



Observations on the vitality and germination of seeds, A. .1. Ewaiit (Trans. 

 Biol. Soc. JAverpool, 10 (1896), pp. 185-193). 



On the longevity of seeds and their preservation in the soil, C. Naiihx 

 (Extr. Bui. Soc. Xat. d'Acclim. France, 1897, pp. 3). 



Notes on packing and shipping seed of short vitality, II. Dammer (Ztschr. trop. 

 Lundw.,1 (1897). No. :: abs. in Bot. CentbL, 70.(1897), Xo. 6-7, pp. 196, 197).— Pow- 

 dered charcoal is recommended as packing for such seeds as lose their vitality when 

 being Bhipped to considerable distances. 



Germination experiments with peas, wheat, and rye, A. Lac^ervall (Bpt. 

 TJltuna Agr. Inst. 1895, pp. 49-52). 



Recent experiments in electro-germination, Gr. Dary (Electricien, 1897, No. 



On the exosmosis of mucilage by seed, H. Cocpin (Bev. Gen. Bot., 9 (1897), Xo. 

 104, pp. 241-244). — The author reports upon the loss in weight of various seeds due 

 to the exosmosis of mucilage when placed in water. In some cases the loss was as 

 much as 3 per cent of the total weight for 48 hours' soaking. 



Nineteenth annual report of the Swiss seed-control station at Zurich, F. Gr. 

 Stkbler and E. Tiiielk ( Die schweizerische Samenkontrol Station in Zurich. Neunzehn- 

 ter Jahresbericht, 1896, pp. 37). — The report gives the kind of seeds tested and the 

 result. 



Report of Swedish seed-control stations during 1895 (Boyal Swedish Agr. Bpt. 

 1895, pp. 276-330). — In 1895, 19 stations for seed control were in operation. The total 

 number of samples examined was 7,078. Tables giving average, highest, and lowest 

 results of seed analysis for the samples examined are included in the report, showing 

 purity, germination, weight of 1,000 seeds, water content, character of impurities, etc. 



Report of the seed-control station at Gothenburg, Sweden, for 1895-'96, 

 J. E. Alkx (Bedogorelse for Goteborgs och Holms liins frokontrollanstall, 1895-96. 

 Gothenburg, 1897, pp. 12). 



Report of Danish seed control for 1894-95, < >. Rostrup (Aarsberetning fra 

 Dansk Frokontrol for 1894-95. Copenhagen, 1896, pp. 38).— During the year 1,569 

 samples of seeds were examined. A discussion of the average results obtained and of 

 methods of seed testing are given in the report. 



Twenty -fourth report of the Danish seed company " Markfrokontoret "' (Mark- 

 frbkontorets :ide Aarsberetning. Copenhagen, 1897, pp. 32). — The report gives discus- 

 sions of "Ceres' treatment ol cereals, root seed, etc., also directions for the culture 

 of mangel- wurzels, horse bean, etc. 



Weeds in southern New Jersey, M. Treat (Hard, and Forest, 10 (1897), Xo. 

 494, pp. 313, 314). — Notes the presence of hare's-ear mustard (Conringia orientalis), 

 Galinsoga parviftora, bracted plantain, wild carrot, Galium mollugo, and Hieracium 

 aurantiacum. 



The weeds of New South Wales, J. II. Maiden (Agr. Gaz. New South Hales, 

 8 (1897), No. 2, pp. 79-81). 



The weeds of Germany, E. Roth (Die UnkrauterDeutschlands. Hamburg, 1897, 

 pp. 47; abs. in Bot. Centbl. Beihefte .' (1897 \, No. 3, p. HO). 



Noxious weeds, F. T. Sin it (Canada Cent. Expt. Farms Bpt. 1896, pp. 275, 276, 

 fig. 1). — Notes on several of the most troublesome weeds of Canada. 



Weed notes, J. H. Panton (Ontario Agr. Col. and Expt. Farm Bpt. 1896, pp. 10, 

 11, figs. 3). — Brief illustrated notes are given on the habits and methods of eradica- 

 tion of rib grass, perennial sow thistle, and bindweed. 



The Bathurst bur (Jour. Bureau Agr. West Australia, 4 (1897), Xo. 10, pp. 1251, 

 1252, fig. 1). — Xanthium spinosum is figured and described, its distribution noted, and 

 means of destroying it pointed out. 



On the destruction of wild mustard, II. Hitier (./our. Soc. Agr. Brabant- Hainant, 

 1897, Xo. 23). 



