Fig. 104. Acrosiphonia flagellata Kjellm.? Compare text. 40:1. 
187. A. incurva Kjellm. 
It seems to me that a few specimens in my material agree well 
with K jell man’s description. They have hooked branches, but 
no spinal ones. The chromatophore is rather finely reticular with 
numerous pyrenoids. The fertile cells in my specimens occur singly 
