232 THE FLORA OF HALIFAX. 



Cosmarium cucumis, Corda. Og. CL, Cr. Dn. 



C. subcucumis, Schmidle. Ogden Clough. 



C. ccelatum, Ralfs. Ogden Clough ; Cragg Vale. 



C. subcrenatum, Hantzsch. Cragg Vale. 



C, margaritiferum, (Turp.) Menegh. Park Gate Pond — 



T.C. ! Ogden Clough — A. Bullock. 

 C. bioculatum, Breb. Halifax. 

 C. Hammeri, Reinsch. Ogden Clough. 

 C. praemorsum, Breb. Cragg Vale ; Ogden Clough. 

 C. punctulatum, Breb. Halifax. 

 C. Blyttii, Wille. Cragg Vale. 



C granatum, Breb. Var. subgranatum, Nordst. Cr. Dn. 

 C. Holmiense. Lund. Ogden Clough. 

 C. notabile, Breb. Ogden Clough. 

 C. tetraophthalmum, (Kutz.) Menegh. Ogden Clough. 

 C. Botrytis, (Bory) Menegh. Park Gate — T.C. 

 C. ochthodes, Nordst. Crimsworth Dean. 

 C. speciosum, Lund. Crimsworth Dean ; Ogden Clough. 

 C. pseudarctoum, Nordst. Ogden Clough. 

 C. latum, Breb. Forma minor, Boldt. Ogden Clough. 

 C crenatum, Ralfs. Crimsworth Dean, Ogden Clough. 



1889. Binnroyd Clough ! 

 C. quadratum, Ralfs. Og. CI. 1896. — A. Bullock. 

 C. sublobatum, (Breb.) Arch. Ogden Clough. 

 C. anceps, Lund. Ogden Clough. 

 C. Heimerlii, West and G. S. West. (C. minntissimum, Heim.) 



Var. tumidum, W. and G. S. W., Greetland. 



C. Meneghinii, Breb. Ogden Clough. 



C. laeve, Rabh. Var. septentrionale, Wille. Og. CI. ; Cr. Dn. 



C. cucurbita, Breb. Cragg Vale. 



Staurastrum orbiculare, (Ehrnb.) Ralfs. 



Var. extensum, Nordst. Ogden Clough. 

 S. punctulatum, Breb. Cragg Vale ; Cr. Dn. ; Bn. CI. ! 

 S. pygmseum. Breb. Ogden Clough ; Swill Hill. 

 S. Kjellmanii, Wille. Var. rotundum, W. & G.S. W. Og.Cl. 

 S. turgescens, De Not. Crimsworth Dean. 



Var. articum, Wille. Ogden Clough. 

 S. muricatum, Breb. Ogden Clough. 

 S. hexacerum, (Ehrnb.) (S. tricornc, Ralfs). Pk. Gt. ! 

 S. aspersum, Breb. Park Gate Pond ! 

 Anthrodesmus Incus, (Breb.) Hass. Greetland. 

 Hyalothecca dissiliens, (Sm.) Breb. Greetland ! 



