LITERATURE CITED. 



(1) Arthur, J. C. 



1007. V reel i Dales. In North Anierieaii Flora, v. 7, pt. 2, 

 pp. 83-160. A few references to Porto Rican species. 



(2) Arthur, J. C. 



1912. Vredinales. In North American Flora, v. 7, pt. 3, 

 pp. 161-268. References to Porto Rican species. 



(3) Arthur, J. C. 



1915. Vredinales of Porto Rico based on collections by 

 F. L. Stevens. In Myc, v. 7, no. 4, pp. 168-196; no. 5, 

 pp. 225-227 ; no. 6. pp. 315-332 ; v. 8. no. 1, pp. 16-33 

 (1916). 



(4) Arthur, J. C. 



1917. Urcdinales of Porto Rico based on collections by 

 H. H. Whetzel and E. W. Olive. In Myc, v. 9, no. 2, 

 pp. 55-104. 



(5) Arthur, J. C. 



1917. Rusts of the West Indies. In Torreya, v. 17, pp. 

 24-27. 



(6) Barrett, 0. W. 



1904. Fungus diseases. In Ann. Report P. R. Agric. 

 Exp. Sta. 1903, pp. 449-50. 



(7) Barrett, 0. W. 



1905. Diseases of Yautia. In Bui. 6, P. R. Agric. Exp 

 Sta., pp. 22-23. 



(8) Barrett, 0. W. 



1905. Fungus diseases. //; Report P. R. Agric. Exp. 

 Sta. 1904, pp. 397-399. 



(9) Barrett, 0. W. 



1906." Report of the entomologist and botanist. In Re- 

 port P. R. Agric. Exp. Sta. 1905, p]). 21-23. 



(10) Brandes, E. W. 



1916. Report of the plant pathologist. In Report P. R. 

 Agric. Exp. Sta. 1915, pp. 34-35. 



(11) Brandes, E. W. 



1918. Report of the plant pathologist. In Report Fed- 

 eral Agric. Exp. Sta. P. R. 1916. pp. 28-31. 



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