176 ANNALS OF SCOTTISH NATURAL HISTORY 



13. E. elegans, Breb. — General. With zygospores, at Slewdrum. 



They are globular, with pretty numerous simple spines, taper- 

 ing to an acute point. Diameter with spines, 64 /x ; diameter 

 without spines, 51.2 /x. 



/3. bidentatum, Nag. — Common. 



14. E. elobatum, Lundell. — Rare. Sutherland — Loch Inver; Ross — 



Poolewe ; Aberdeen — Tonley and Tough, near Alford ; Kin- 

 cardine — Cammie in Strachan ; Perth — Glas Maol, Ben 

 Chroin, and Craig-na-Lochan (Mr. W. West). 



15. E. erosum, Lundell. — Not common. Ross, Inverness, Aber- 



deen, Kincardine, Forfar, Perth, Argyle, Arran. 



16. E. gemmatum, Breb. — Not common. Sutherland, Ross, Inver- 



ness, Aberdeen, Kincardine, Forfar, Perth. 



17. E. humerosum, Ralfs. — Not common. Ross, Inverness, Aber- 



deen, Kincardine, Forfar, Perth, Argyle. 



18. E. inerme (Ralfs), Lundell. — Not common. Sutherland, Ross, 



Inverness, Aberdeen, Kincardine, Forfar, Perth, Argyle, 

 Arran. 



19. E. insigne, Hassall. — Not common. Sutherland, Ross, Inver- 



ness, Banff, Aberdeen, Kincardine, Forfar, Perth, Argyle, 

 Arran. 



20. E. insulare, Wittr. — Not common. Sutherland, Ross, Inver- 



ness, Aberdeen, Kincardine, Forfar, Perth, Argyle. 



21. E. intermedium, Cleve. — Rare. Sutherland — Loch Inver; 



Ross — Poolewe ; Aberdeen — South Birsemore ; Forfar — 

 Glen Clova ; Perth — Arnbathie Loch ; Argyle — Glen Coe. 



22. E. lobulatum, Breb. — General, but usually occurs very sparingly. 



23. E. oblongum (Grev.), Ralfs. — General. With zygospores, in 



Aberdeen at Powlair in Birse. 



24. E. pectinatum, Breb. — Very common. With zygospores, in 



Aberdeen at Slewdrum in Birse, and Dalbagie, near Ballater. 

 /3 brachylobum, Wittr. — Not so common. 



25. E. pingue, Elfv. (E. Armstrongianum, Archer's MSS.) — Very 



rare. Aberdeen — near Cambus-o'-May ; Forfar — in Glen 

 Clova ; Argyle — in Glen Coe. 



This species was gathered by Mr. Archer in Connemara, 

 and shown as a new species at the meeting of the Dublin 

 Microscopical Club on 29th April 1870. A slight descrip- 

 tion, without a name, appears in the club's transactions of 

 that date. 



26. E. pinnatum, Ralfs. — Not common. Sutherland, Ross, Aber- 



deen, Kincardine, Forfar, Perth, Argyle. 



