1910-1911.] The A Iga-Flora of Mid- Lothian. 355 



Cosmarixim punctulatum Breb. 



II margaritiferum (Turp.) Menegh. 



II difficile Liitkem var. sublceva Liitkem. 



Euastrum pectinatum Breb. 



II crispulum (Nordst.) W. & G. S. West. 



II ohlongum (Grev.) Ealfs. 



II ansatum^R;a\h. 

 Netrium Digitus (Ehrenb.) Itzigsh & Eothe. 



Chlorophyceae :— 



Mougeotia viridis (Kiitz.) Wittr. (with spores). 



M parvula Hass. (with spores). 



Microspora stagnorum (Kiitz.) Lagerh. 

 Ulothrix s^tbtilis Kiitz. 

 Asterococcus superhus (Cienk.) Scherffel. 

 Trochisda reticularis (Eeinsch) Hansg. 

 Eudorina elegans Ehrenb. 

 Botryococcus sudeticus Lemm. 

 Ankistrodesmus falcatus (Cord a) Ealfs. 

 Scenedesmus ohliquus (Turp.) Kiitz. 

 Chlorohotrys regularis (West) Bohlin. 

 Ophiocytium parvulum Nag. 



II cochleare (Eichw.) A. Br. 



Oocystis solitaria Wittr. 

 Glaucocystis Nostochinearum Itzigsh. 



Diatomaceae : — 



Tahellaria Jlocculosa (Eoth) Kiitz. 



Eunota lunaris (Ehrenb.) Grun. 



Nitzschia Palea (Kiitz.) W. Sm. 



Navicula Tahellaria var. acrosphceria Eabenh. 



M viridis Kiitz. 



Gomphonema constrictum Ehrenb. 



II dichotomum Kiitz. 



II acuminatum Ehrenb. 



Stauroneis Phcenicenteron Ehrenb. 

 Cocconeis pediculus Ehrenb. 

 Fragillaria capucina Desmaz. 



Peridinieae : — 



Peridinium cinctum (Miill.) Ehrenb. 



Besides this moor, the Upper Elf Loch on the Braid Hills 

 received more attention, and I have continued in a separate 

 paper my previous list of Algte obtained from this interesting 

 sheet of water. The plankton Algae of Duddingston Loch and 

 Craiglockhart Pond have been collected on several occasions 



