54 FLAGELLATES AXD ALG.H OF THE BIRMINGHAM DISTBICT 



Hill. In pond, Berkswell. ws. Wavley ; California ; Northfield ; 

 Chadwick. sx. Sedglej ; Gospel End ; Baggeridge ; Himlev ; Tetten- 

 hall. 



First records for the British Islands. All the specimens, except 

 those from Berkswell, were obtained from cultures of soil. (See 

 Bristol, Annal. Bot, 1920, xxxiv. 78, text-tig. 1.) 



B O T R Y D I A C E .15. 



BoTRYDiUM Wallr. 

 B. granulafum (L.) Grev. 6-8. 



wk'. Tan\vorth-in-Arden. ws. King's Norton ; Hunnington ; 

 Blaekwell. 



RHODOPHYCE^. 



PORPHYRIDIUM Nag. 



P. criientum (Ag.) Nag. 3-6. 



WK. Edgbaston, on damp walls, ws. Hartlebiuy ; Northfield, on 

 the churchyard- wall, etc. 



Sacheria Sirod. 



S. mamillosa Sirod. 4. 

 Recorded from Bridgnorth, Salop. 

 S.fluviatilis (Ag.) Sirod. 



[Recorded by A. W. Wills as "common in the Avon and 

 Severn."] 



Batrachospermum Roth. 

 B. moniliforme Roth. 5, 6, 10, 11. 



w^K. Bracebridge Pool, Sutton Park, with cj^stocarps in abundance 

 almost ever}" year. 



ws. Halesowen, W. J. H. 



B. atrum (Dillw.) Harv. 



w^s. [Halesowen, A. W. Wills.'] 



Chantraxsia Fr. 



C. clialyhea (Lj^ngb.) Fr. 6. 

 ws. Clent. 



Summary of Species. 



Flagellata 33 



Myxophycese 83 



Peridiniese 14 



Bacillariese 155 



Chlorophyceae 444 



Rhodophyceije 6 



Total 



735 



Chlorophycese : — 



Isokontae 181 



Akontse (including 



196 Desmids) ... 226 



Stephanokontse 18 



Heterokontse 19 



Total 



444 



