Lejeuneæ Madagascarienses. 



Auctore 

 W. H. Pearson. 



(Presented to the Academy 22. April 1892.) 



The following list comprises all the species known to me, 

 arranged according to the manner proposed by Dr. Spruce in 

 his „Hepaticæ Amazonicæ et Andinæ". 



Only one species (Lejeunea cornuta Lindenb.) is recorded 

 in the „Syn. Hep. w , most of the others having been publishod 

 by Dr. Gottsche in „Rel. Rut." (1882). In the „Contributions 

 å la flore des muscinées des iles austro-africaines de 1' Océan 

 Indien" Renauld and Cardot, „Rev. Bry." (1891) is an interesting 

 list of Madagascar species, in which Dr. Gottsche's Lejeurwæ 

 are referred to the subgenera established by Dr. Spruce by 

 Herr Stephani. 



In a small collection forwarded to me by Dr. Kiær, made 

 by the Rev. M. Borgen in Madagascar, were several sterile spe- 

 cies which I have not attempted to name, but my examination 

 of the collection, has been rewarded by the discovery of a re- 

 markable species, description of which follows. 



I add notes as to their geographical distribution, which will 

 be of interest to general readers. 



