ON SCOTTISH DESMIDIE/E 175 



150. C. speciosum, Lundell. 



a biforme, Nordst. Rare. Aberdeen Den of Gight, 

 Presswhin on Morven, Cambus-o'-May, Bogwartle in 

 Cromar ; Forfar Reeky Linn ; Stirling Alva Glen. 



ft simplex, Nordst. Not common. Ross Tain and 

 Strome ; Inverness Glen Urquhart, Erin, Quirang 

 in Skye ; Banff- near Loch Builg ; Aberdeen Ben- 

 na-Chie, Brimmond(near Old Mill),Birsemore 3 Heugh- 

 head near Aboyne, Koynach Moor, Presswhin, The 

 Vat, Mount Keen; Kincardine Slack of Birnie ; 

 Forfar Reeky Linn, Fern, Canlochan ; Perth 

 Buchanty, Ben Lawers, north shore of Loch Tay, 

 Bracklin near Callander ; Stirling Fintray Hills ; 

 Argyle near Kyles of Bute. 



151. C. sphalerostichum, Nordst. Extremely rare. Inverness Ben 



Nevis ; Aberdeen Morven (on wet rocks) ; Forfar Can- 

 lochan. 



152. C. sportellci) Breb. Not common. Ross near Tain, Strome, 



and Strathpeffer ; Inverness Brin, Glen Urquhart, and 

 near Portree in Skye ; Aberdeen Dens of Gight and Rothie, 

 Cambus-o'-May, and Glen Callater ; Kincardine near 

 Crathes, Den of Garrol, near Muchalls (with zygospores) ; 

 Forfar Canlochan ; Perth Durdie Moor ; Stirling Alva 

 Glen ; Arran Corrie ; Wigtown. 



153. C. sfriafii/n, Boldt. (C. crosui/i, Archer's MSS.) Not uncommon 



on Deeside, in Aberdeen, and Kincardine. 



154. C. subcostatum, Nordst. Extremely rare. Banff Iron Hill, 



(Aberdour) ; Kincardine in a wet spot close to the sea, near 

 Mill of Muchalls. 



155. C. subcrenatum, Hantzoch. - - Very uncommon. Ross 



Auchnasheen, Falls of Connon, Black Isle ; Inverness - 

 Brin and Glen Urquhart ; Banff Ben Avon ; Aberdeen 

 Auchterless, Alford, Insch, Corbie Loch, Dinner, Cambus- 

 o'-May, head of Glen Callater ; Kincardine near Durris 

 Bridge-, Bogandreep, Slack of Birnie ; Forfar Canlochan ; 

 Perth Rannoch, Ben Lawers. 



156. C. subpalangula, Elfv. --Very rare. Aberdeen Birsemore 



Loch. 



157. C. siibpundulatum, Nordst. Very rare. Perth Craig-an- 



Lochan, Glen Garry; Wigtown. 



158. C. subspecio sum, Nordst. Very rare. Aberdeen near Mint- 



law; Forfar Clova Tableland, Canlochan; Perth Spital 

 of Glen Shee, Craig-an-Lochan. 



