60 
301. Scribner, F. L.—Continued. 
Chapter vn, grape leaf blight ( Cladosporium viticolum). Chapter vm, root 
rot of the vine ( Agaricus melleus and Dematophora necati’ix), with figures from 
Millardet, Ilartig, and Yiala. Recommends immediate removal of attacked 
vines, thorough drainage and cleaning of ground of all vegetation for sev¬ 
eral years, and trenching about alfected area for prevention of spread of dis¬ 
ease. Chapter ix, Anthracnose and birds’-eye rot ( Sphaceloma ampelinum). 
Recommends early washing of canes with 50 per cent soluti on of iron sul¬ 
phate or 10 per cent solution of copper sulphate and dusting of vines with 
sulphur and powdered lime if disease appears during the growing season. 
Chapter x, dotted or speckled Anthracnose of the vine. Chapter xi, black 
rot of the apple ( Macroplioma malorum). Chapter xn, apple rust and cedar 
apples ( Gymnosporangium macropus). Recommends removal of cedar trees 
near orchard, planting of resistant varieties, and spraying with Bordeaux as 
soon as leaves start. Chapter xiii, apple scab ( Fusicladium dendriticum). 
Gives course of treatment, recommending early spring washing with simple 
solution of copper sulphate (1 pound to 10 gallons,of water), together with 
three early sprayings with the ammoniacal solution or modifi ed eau cdleste. 
Chapter xiv, pear scab (Fusicladium dendriticum). Considered by the 
author as only a form of this species and not specifically distinct. Chapter 
xv, the Entomosporium of the pear and quince ( Entomosporium maculatum). 
Recommends winter treatment with copper sulphate and treatments during 
the growing season with Bordeaux mixture. Chapter xvi, plum rot or the 
Monilia of fruit (Monilia fructigena). Recommends clean culture and a 
trial of the ammoniacal solution of copper carbonate as preventive. Chapter 
xvn, black knot of the plum and cherry. Recommends usual method of 
removal of infected parts and disinfection with Bordeaux mixture. Thinks 
disease a fit subject for legislation. Chapter xvm, leaf-spot disease of the 
plum and cherry (Septoria cerasina). Chapter xix, powdery mildew of the 
cherry (Podosphcera oxyacanthce). Recommends use of flowers of sulphur 
and potassium sulphide (-£ ounce per gallon of water). Chapter xx, peach 
leaf curl (Taphrina deformans). Chapter xxi, the fungus of the raspberry 
Anthracnose. Recommends winter wash for canes 50 per cent solution of 
iron sulphate and applications of sulphur and powdered lime in equal parts. 
302. -. Powders for combating the fungous or cryptogamic diseases of plants. Rural 
New Yorker, June 13, 1891, vol. l, No. 2159, p. 453. Discusses various pow¬ 
ders used as fungicides, recommending two for further trial, viz, sulphatine 
and sulplio-steatite. Refers to Circular 5 of Division of Vegetable Pathology, 
U. S. Dept, of Agr. 
303. -. Leaf-spot of the India-rubber tree (Leptostromella elastica, Ellis & Scrib¬ 
ner) with figs. Orchard and Garden, Little Silver, N. J., January, 1891, 
vol. xiii, No. 1, p. 6. Ascribes cause of the disease of Ficus elastica to a new 
species of Leptostromella described by Ellis & Scribner. 
304. -. Leaf-spot of screw palm (Plujsalospora pandani , Ellis & Scribner) with 
figs. Orchard and Garden, Little Silver, N. J., January, 1891, vol. xiii, 
No. 1, p. 6. Describes the disease common upon leaves of screw palm found 
at Knoxville, Tenn., as caused by a new species of Physalospora described 
elsewhere. 
305. -. Plum leaf of shot-hole fungus (with figs.). Canadian Horticulturist, 
Grimsby, Ontario, November, 1890, vol. xiii, No. 11, pp. 315-316. Reproduc¬ 
tion of article in Orchard and Garden, giving short account of the disease. 
306. -. Black knot of the plum and cherry (with plate). Bull..Tenn. Agr. Ex. 
Sta., vol. iv, No. 1, January, 1891, pp. 26-28, Knoxville, Tenn. Describes 
disease and shows necessity of concerted action in stamping out the parasite. 
307. Smith, Erwin F. Peach yellows. Synopsis of an address at Easton, Md., Jan¬ 
uary 22, 1891. Reprint from Proceedings of Peninsula Hort. Soc., p. 8. 
