170 wrijjs AND smith: 



The following are ainoii;j; the most important, more or less 

 systematic, Papers that have appeared in recent years bearing 

 on the Ceylon Flora :- - 



. Engler : Das Pflanzenrcii'h (in progress). 

 Willis : A revision of tlie Podostemaceae of India and 



Ceylon. Ann. Perad. I.. 1902. p. 181. 

 Giesenhagen : Die Farngattung Nipliobolus. Jena, 1901. 

 Willis : Studies in the ^Morphology and Ecology of the 



Podostemace?e of Ceylon and India. Ann. Perad. I.. 



1902. p. 267. 



Wright : The Genus Diospyros in Ceylon : its Morphology, 



Anatomy, and Taxonomy. Ann. Perad. II., 1904, 



pp. 1-133. 

 Svedelius : On the Lifc-liistory of Euulus acoroides. 



Ditto. 267. 

 Wright : Foliar Periodicity of Endemic and Indigenous 



Trees in Ceylon. Ann. Perad. II., 1905. p. 415. 

 Prain : Tiie Dalbergias of S. E. Asia. Ann. R. B. G., 



Calcutta, X., 1904. p. 1. 

 Bargagli-Petrucci : Le specie di Pisonia dclla Regione dei 



monsoni. Lavori R. D. B. Firenze 1.. 1901. p. 73. 

 Pearson and Parkin : The Botany of Ceylon Patanas. 



Journal Linn. Soc. XXXIV.. 1899. p. 300 ; XXXV.. 



1903, p. 430. 



Lewis : A Descriptive Catalogue of the more useful Tiees 



and I'Mowering Plants of the Western and Sahara- 



gamuwa Provinces of Ceylon. Journal. I\. .\. S., 



Ceylon liraiich, XVII., 1903, j.p. 89. 

 Treuh : L"A])ogamie dc ri']latostenuv acuminatum. Ann. 



Jurd. Huit., 2 v., p. 141. 

 Willis: The Flora of Ritigala: a Sluily in I'julcmism. 



Ann. Perad. III., UMiC, p. 271. 

 Jowitt : Note on .\plu(la xaria. Ann. Perad. I\.. I!>07. 



p. 85. 

 Willis: Hill Top Floras of Ceylon. Am.. IVrad. IV., 



1908, p. 131. 

 Jowitt : Note <mi Dr. Otto Stai)f's Nomenclature of 



Cymbopogon Nardus. .\nn. Perad. TV., 1908, 



p. 185. 



