Lemaneacetv 



41 



of the phallus, of a cartilaginous consistency, and hang freely in 

 the rapid torrent. They are of an olive-green or greenish-black 

 colour and grow to a length of 15 18 cms. At short, more or 



Fig. 3. A, Sacheria mamillosa Sirodot (nat. size), from E. Wharfe, W. Yorks. 

 B, portion slightly magnified showing antheridial areas. C, Lemanea torulosa 

 Kiitz. (nat. size). D, portion slightly magnified showing antheridial areas. 

 E, Sacheria fucina (Bory) Sirodot, longitudinal section of fructiferous filament 

 showing female organ ; t, trichogyne. F, Lemanea catenata Kiitz., transverse 

 section of fructiferous filaments showing antheridia ; a, antheridial cell ; 

 s, spermatium. (D, E, and F after Sirodot.) 



less regular intervals along their whole length are distinct swell- 

 ings or nodes, and each nodulose thread is built up of an axial 



