120 
BULLETIN 1380, U. S. DEPARTMENT OF AGRICULTURE 
Ris, V. 
1909. Bestrijding van de wortelschimmel bij Hevea met carbolineum. In Teys- 
ruannia, jaarg. 20, p. 577-581, illus. 
Robinson, E. A. 
1915. Hevea rubber cultivation and curing at Nonpareil Estate, Sangre Grande, 
Trinidad. In Bui. Dept. Agr. Trinidad and Tobago, v. 14. p. 118-119. 
Estate reported singularly free from insect pests and diseases ; 
only 5 cases of canker among 40,000 to 50,000 trees. 
Rorer, J. B. 
1911. A preliminary list of Trinidad fungi, (in his Report of mycologist, 1910/11, 
pt. 2) Circ. Bd. Agr. Trinidad 4. p. 37-44. 
Phytophtlwni faberi and PhyUosticta heveae found on Hevea. No 
description. 
1917. The South American Hevea leaf disease. In Bui. Dept. Agr. Trinidad and 
Tobago, v. 16, p. 128-129. 
Caused by a Scolecotrichum. The disease is not so virulent in 
Trinidad as in Surinam. 
Rubber Gbowebs' Association. London. 
1922. Scientific research notes. /// Bui. Rubber Growers' Assoc, v. 4, p. 107-110, 
270-275, 321-324, 377-379, 453-455, 514-520, 584-590. 
Brief mention is made of various Hevea diseases on the Malay 
Peninsula and in southern India. 
RUTGERS, A. A. L. 
1912-17. Hevea-kanker, Pt. I— III. (With a summary in English.) Meded. Inst. 
Plantenziekten Buitenzorg, 2, 4, and 28. 
Both patch canker and stripe canker are caused by PhytopJvtora 
faberi. Found in .lava, Sumatra, Borneo, Ceylon, and the Federated 
Malay States. 
1913. Zlekten en plagen van Hevea in de Federated Malay States. Jn Meded. Inst. 
Plantenziekten Buitenzorg 1, p. 8-16. 
Canker. Pomes 8emit08tU8, and burs. 
1914-15. Ziekten en plagen der cultuurgewassvn in Nederlandsch-Indie in 1913, 1914. 
Meded. Inst. Plantenziekten Buitenzorg !> and 15. 
Sec also Hall, C .1. J. van, Ziekten en plagen der cultuur-gewassen 
in Nederlandsch-Indie in 1915-date, in Meded. Inst. Plantenziekten 
Buitenzorg 20, 29, 33, 30, 39, 40, 53, 58. 
191G. Bladzlekte en kanker bij de Hevea. hi Indische Mercuur, jaarg. 39, p. 1120. 
Lecture before the Rubberplanters-vereeniging at Bandoeng. Gives 
general descriptions of diseases without mentioning names of fungi. 
Stales that the cause of the South American leaf disease has been 
identified as Melanopsammopais heveae. 
1910. Nieuwe waarnemingen omtrenl zaadziekte en kanker l > i.T Hevea. In Alg. 
Yer. Rubberplanters OoStkUBt Sumatra, Meded. Adviseur, 1915/10. p. 
G3-00. 
Phytophihora faberi. 
1917. Bestrijding van Btreepkanker (black-thread disease). Circ. Proefstat. 
Maiang (Middle Java) 5, 2 p. 
1917. Hevea-kanker. In Arch. Rubbereult. Nederland. -Indie, v. 1, p. 149-150. Eng- 
lish summary, p. 152—156. 
Summary of Meded. Lab. Plantenziekten no. 26, Dept. Landb, 
Nijverh. en' Hand. 
1917. Phvtopathologische aanteekeningen. In Arch. Rubbereult Nederland.-Indie, 
jaarg. 1, p. 313-317. (Meded. Alg. Proefstat A. V. R. O. S. Rubber- 
serie no. 4.) 
Discusses Ustulina sonata, Poria, Bcaly-bark, leaf diseases, horsehair 
blight, and lightning injury. 
1917. Rubber-biWiographie, 1910-16. Tn Arch. Rubbereult. Nederland.-Indie. jaarg. 
1, p. 451-528. (Meded. Alg. Proefstat. A. V. R. O. S. Rubberserle 
no. 5.) 
1918. Bastziekten in de P. M. S. In Arch. Rubbereult. Nederland.-Indie, jaarg. 2, 
p. 57-5!). 
Summary of several papers which appeared in Malayan Tin and 
Rubber Jour., Aug.. Sept., and Oct., 1917. 
1918. Voorsehriften voor de bestrijding van bastziekten' bij Hevea. Instructions for 
the combating of bark disease in Hevea (issued by the General Experi- 
ment Station of the A. V. R. <). S., October, 1017). In Arch. Rubbereult. 
Nederland.-Indie, jaarg. 2, p. 55-57. 
1919. Bliksemschade bij Hevea. In Arch. Rubbereult. Nederland.-Indie, jaarg. 3, 
p. 163-171, illus. (Meded. Alg. Proefstat A. V. R, O. S. Rubberserie 
no. 18.) 
English summary : The effect of lightning on Hevea, p. 171. Four 
types of injury are described, of each of which a number of cases 
were found by the author in Sumatra. 
and Abens, P. 
1914. Diseases of Hevea brasiliensis in Java. In Internat. Rubber Cons, and Exhib. 
Batavia, 1914, Rubber Rec, p. 130-139, illus. Literature, p. 13S-139. 
Gives symptoms and treatment of all important diseases. 
— and Dammeumax, K. W. 
1914. Ziekten en beschadigingen van Hevea brasiliensis op Java. Meded. Inst. 
Plantenziekten Buitenzorg 10, 45 p. illus. References at end of each section. 
Diseases of roots, branches, stems, and leaves ; injuries and abnor- 
malities. 
