ABSTEACTS. 



547 



Finger and Toe, Prevention of. Anon. (Jour. Bd. Agr. vol. viii. 

 No. 1, pp. 108, 10-i, June 1901). — It is suggested that land affected by 

 this disease should be dressed with from two to four tons per acre of 

 •common lime, according to the soil and the virulence of the attack, as 

 soon as possible after the diseased crop has been removed. — B. N. 



Flea-beetles. By Clarence M. Weed {U.S.A. Exp. Stn. Neio 

 Samp. No. 29 ; 6 1895 ; 6 figs.). — Recommends dusting attacked crops 

 with plaster, air-slaked lime, soot, or tobacco powder when plants are wet 

 A\dth dew, but especially spraying with Bordeaux mixture pluH Paris 

 green in the proportion of 4 oz. of the latter to 50 gallons of the former. 



F. J, C. 



Flora of Africa, Contribution to the. XXII. By A. Engler. 

 {Engl. Bot. Jahrb. xxx. pp. 239-288, tt. iv.-viii. ; 2/7/1901).— A 

 systematic account of the plants collected by W. Goetze at Lakes Rukwa 

 and Nyassa, and in the intervening mountainous country. Includes the 

 Cryptogams and the Monocotyledonous division of seed-plants, the 

 different families elaborated by specialists. — A. B.B. 



Flora of Mattog'rosso, Contribution to the. By R. Pilger 



Engl. Bot. Jahrh. xxx. pp. 127-238; 2/7/1901).— The author, who 

 accompanied Dr. Hermann Meyer's expedition to Central Brazil in 1899, 

 spent several months, from March to October, in a botanical exploration 

 of the valleys of the Cuyaba and Paranatinga Rivers and the watersheds 

 between them. The present paper comprises a systematic enumeration 

 of the seed-plants which he collected, with descriptions of new forms, and 

 a useful account of the plant-geogra]3hy of the district. In the systematic 

 work Mr. Pilger has had the assistance of specialists in several important 

 families.— .1. B. B. 



Foot-rot, Collar-rot, or Mai di Gomma {Bull. Bot. Dep. 



Jam. vol. viii. p. 107). — The English names allude to the place where 

 the tree is attacked; the Italian, to the secretion of gum. The bark 

 xlecays, gumming follows ; when it has girdled the tree, death ensues. 

 It is most common with improper drainage, crowding, continuous use 

 ■of organic fertilisers or of irrigation, keeping the soil water-soaked. 

 It appears to be contagious. The following remedy is suggested for 

 ants attacking the bark of trees at the foot and for the disease : 2 lb. 

 clay dissolved, 2 lb. flour of brimstone, some soft soap, and two spoon- 

 fuls of kerosene oil, applied with a brush. — G. H. 



Forest Working* Plan for Township 40, A. By R. S. Hosmer 

 and E. S. Bruce {U.S.A. Dep. Agr., Div. For., Bull. No. 30).— This 

 plan is drawn up as a guide to the practical management and profitable 

 use of the above portion of "New York State Forest Preserve." It is 

 preceded by " A Discussion on Conservative Lumbering and the Water 

 Supply," by F. H. Newell.— iJ. F. H. 



Fruit and Vegretable Imports {Gard. Mag. 2,498, p. 589 ; 

 14/9/1901). — An abstract account of the quantities and value of imports 



