1910-1911.] The A Iga-Flora of Mid- Lothian. 371 



Family — Chroococcaceae. 



160. Aphanothece nidulans Richter, var. endophytica, W. & G. S. West 



in litt. 

 Endophyte in colonies of Gomphosphceria Ncegeliana. 



161. SynechococciLS ceruginosus Nag. 



Bavelaw Moor, in bog-pool. April, May. 



162. Dacti/lococcopsis rhaphidioides Hansg. 



Elf Loch ; Craiglockhart Pond ; Bavelaw Moor. May-September. 



163. Merismopedia glauca (Ehrenb.) Nag. 



Elf Loch, May, June ; Duddingston Loch, July ; Craiglockhart 

 Pond, August ; Bavelaw Moor, July, August. Fairly common. 



164. M. punctata Meyen. 



Bavelaw Moor. July. 



165. M. ceruginea Breb. 



Elf Loch. August. 



166. Tetrapedia Reinschiana Arch. 



Bavelaw Moor. June. 



167. T. glaucescens (Wittr.) Boldt. 



Dunsapie Loch. August. 



168. Coelosphcerium Kiltzingianum Nag. 



Duddingston Loch, July, in plankton. 



169. Gomphosphceria Ncegeliana (linger) Lemm. ( = Coelosphcerium Ncegeli- 



anum Unger). 

 Plankton of Duddingston Loch in enormous quantitites. August, 

 September. 



170. Microcystis Flos-aquce (Wittr.) Kirchn. 



Elf Loch. July. 



171. M. ceruginosa Kiitz. { = Glathrocystis ceruginosa (Kiitz.) Henfrey). 



Duddingston Loch. July, August. 



172. M. parasitica Kiitz. 



Elf Loch. July. 



173. Gloeocapsa magma (Breb.) Kiitz. 



Among other Algse on wet rocks, Loganlee, Pentlands. August. 



174. Gl. punctata Nag. 



(2-2-5 /i crassa.) On wet rocks, Bonally, Pentlands. September. 



175. Gl. atrata {Tmyy).) ^Vitz. 



On wet rocks, Bonally. September. 



176. Aphanocapsa Grevillei (Hass.) Rabenh. 



Elf Loch. August. 



177. Chroococcus varius A. Br. 



On wet rocks near Dalmeny, August. Also near Bonally Reservoir^ 

 August, September. 



178. Ch. turgidus (Kiitz.) Nag. 



Bavelaw Moor, in sphagnum bog. April- August. 



179. Ch. minutus (Kiitz.) Nag. 



Bavelaw Moor, in sphagnum bog. August. 



