ON THE 



DEVELOPMENT AND SYSTEMATIC ARRANGEMENT 



PITHOPHORACEJE 



A NEW ORDER OF ALG^., 



VEIT BRECHER WITTROCK. 



WITH SIX PLATES. 



(Presented to the Royal Society of Upsala, the 13:th May 1876.) 



UPSALA 

 PETXTED BY ED. BEKLING. 



1877. 



