128 BULLETIN 1380, U* S. DEPARTMENT OF AGRICULTURE 
Vriens, J. G. C. — Continued. 
1915. Phyllosticta hevea. Zimm. In Alg. Vereen. Rubberplanters Oostkust Sumatra, 
Meded. Adviseur, 1915/16, p. 22-23. 
Found on leaves of Hevea in Sumatra. 
1916. Ranker. In Alg. Vereen. Rubberplanters Oostkust Sumatra, Meded. Ad- 
viseur, 1915-16, p. 31-36. 
Describes various types of cankers caused by Phytophthora faberi. 
1916. Afvallen van jong blad bij Hevea. In Alg. Vereen. Rubberplanters Oostkust 
Sumatra, Meded. Adviseur, 1915/16. p. 59-60. 
Leaf-fall caused by Fusicladium in Sumatra. 
1916. Spinnewebziekte. In Alg. Vereen. Rubberplanters Oostkust Sumatra, Meded. 
Adviseur. 1915/16, p. 66-67. 
Thread-blight on twigs caused by StiJbdla heveae. 
1916. Verslag over 1915 en de eerste belft van 1916. Rubber. Zickten en plagen. 
In Alg. Vereen. Rubberplanters Oostkust Sumatra. .Meded. Adviseur do. <'>, 
p. 72-75. 
1916. Ustulina zonata. In Alg. Vereen. Rubberplanters Oostkust Sumatra, Meded. 
Adviseur, 1915 16, p. 67-68. 
Root disease found in Ceylon and the Federated Malay States. 
W., E. D. 
1909. A propos des parasites animaux et vegetaux des caoutchoutiers. In, Bui. 
Assoc. Plant. Caoutchouc, v. 1, p. 35—36. 
Lists species of fungi occurring on Hevea, Ficus, Kiekxia, and Mani- 
hot. 
Wakefield, E. M. 
1917. Nigerian fungi. III. In Kew, Roy. Rot. Card. Rul. 1917, p. 105-111. 
Parts I and II do not report any fungi growing on rubber plants. 
Ustulina zonata is reported in Fart III. 
1921. Bark diseases of Hevea brasiliensla In Agr. News [Barbados],, v. 20, p. 14. 
On black-stripe and moldy rot. Quoted largely from Sharpies and 
Belgrave, Black stripe and moldy rot. and Sanderson and Sutcliffe, 
Bphaeronema sp. (Moldy rot of the tapped surface.) 
Waiu>, R. 
1921. Report on the Botanic Gardens. In Rpt. Dept. Sci. and Agr. Brit. Guiana, 
1919, p. 56-05. 
Leaf diseases prevalent at Christianburg. Demerara River, and 
Hills Estate, less virulent than in 1918. 
1922. Report on the Botanic Gardens. In Rpt. Dept. Sci. and Agr. Brit. Guiana, 
Film), p. 40-50. 
Leaf disease prevalent at Hills Estate, Mazanmi, and Tssorora Ex- 
periment Station, the latter closed on account of the ravages of the 
disease. 
Welles, C. G. 
1922. A provisional list of the parasitic fungi of the Philippine Islands. In 
Philippine Agr. Rev., v. 15, p. 149-202. Host index, p. 176-198. 
"Westkr I* »T 
1917. RublKM- culture in the Philippines. In Philippine Agr. Rev., v. 10, p. 201- 
220, Ulus. 
Rubber pests, p. 219—220. Fungi listed are Fomes Ugno8U8 (F. 
st mitostiis) , Hymenochaete noxia, Corticium salmonicolor, Phytoph- 
thora faberi, Botryodiploctia theobromae, UstuUna zonata, and Porta 
hypobrunm a. 
Wk.stkijdi.tk, J. 
1915. Phytopathology in the Tropics. In Ann. Mo. Bot Card., v. 2, p. 307-313. 
General discussion of plant diseases. 1 1 ymenoinycetes causing root 
diseases and die-back (Corticium javanvcum) reported on Bevea. 
W[JLDKMANl, E. D. 
1912. Engrais dans la culture des caoutchoutiers. In Caoutchouc et C.utta-Pereha, 
ann. 9, p. 6037-6041. 
Use of lime tends to check root diseases such as Fontcs semitostua. 
1914. Studies in North American Peronospo rales. V. A review of the genus Phytoph- 
thora. In Mycologia, v. 6, 54-83, Ulus. Bibliography, p. 80-82. 
Phytuphtliora faberi, p. 73-75. 
WOLLENWEBES, II. W. , 
1917. Fusaria autographice delineata. Collectio specieruni et ex herbans varus 
seiectarum et ab auctore lectarum cultarumque synonymis et excludendis 
additis quas determinavit, in sectiones digesslt, coinparavit cum Ilypo- 
creacis analogis praemissis ad method! naturalia normaa et culturae purae 
experientiam. In Ann. Mycol., jahrg. 15, p. 1-56. 
Mentions Fusurium theobromae on Hevea. 
Wright C H 
1925. The' modern aspects of disease control on rubber estates. In India-Rubber 
Jour., v. 70, no. 18, p. 15-16; no. 19, p. 17-19. 
General diseases. 
