MYCOLOGY AND PLA.NT PATHOLOGY. 385 



493. Ward, H. M. On the Coffee Leaf disease of Ceylon, illustrated by- 



preparations for examination under the microscope. Proceedings 

 Lit. Phil. Soc, Manchester, XXII (1883), pp. 21-25. 



494. Ward,H.M. On the Structure, Development, and Life History of 



a Tropical Epiphyllous Lichen {Strigula complanata Fee). 

 Trans. Linn. Soc, II, n. s. (1881-87), pp. 87-119 ; 4 plates. 



495. Ward, H. M. On the Morphology and Development of the 



Perithecium of Meliola, a Genus of Tropical Epiphyllous Fungi. 

 Proceedmgs Roy. Soc., XXXIV (1883), pp. 388-390. 



496. Ward, H. M. On the Morphology and the Development of the 



Perithecium of Meliola, a Genus of Tropical EpiphvUous Fungi. 

 Phil. Trans. Roy. Soc. , Pt. II, 1883, pp. 583-599 ; 3 plates. 



497. Ward, H. M. On the Question of " Predisposition " and "Immu- 



nity " in Plants. Proceedings of the Cambridge Philosophical 

 Society, XI, pp. 307-328. 



Contains a reference to Jus failure to infect Coffee with Hemileia 

 Canthii, or Canthium with H. vastatrix. 



498. Ward,H. M. Timber and some of its Diseases. London, 1889. 



On p. 253, reference to a Sphseria on leaves in Ceylon. 



499. Weese, J. SeeHohnel, No. 211. 



500. Williamson, D. B. See Clark, Xo. 113. 



501. Willis, J. C. Report of the Director, Royal Botanic Gardens, for 



1896. 



Note on the occurrence of a disease on Cacao. 



602. Willis, J. C. Report of the Director, Royal Botanic Gardens, for 

 1897. 



Note on canker in Cacao ; the appointment of a mycologist 

 unnecessary. 



503. Willis, J. C. Report of the Director, Royal Botanic Gardens, for 



1898. 



Note on gray blight on Tea ; canker in Cacao. 



504. Willis, J. C. Report of the Dkector, Royal Botanic Gardens, for 



1899. 



Note on gray blight and brown blight on Tea, the latter said to 

 be caused by " Cryptosporium CamelUse r' a fungus disease on 

 Camphor mentioned. 



505. Willis, J. C, and Green, E. E. The Cacao Canker. Chculars, 



Royal Botanic Gardens, Ceylon, Ser. 1, No. 2 (August, 1897). 

 Appearance of the disease described. 



