23S 



)RKSHIKE XATURALISTS' UMON*. 



subtile, Closteiium ... 



Lyngbya ... ^ 



subtilis, Hormiscia ... 



Ulothrix 



sublilissiiiia, Hormiscia 



Ulothrix 



subtumidum, Cosmarimn 

 subulatum, Closteriuni 

 subundulatum, Cosiiiarium 

 succisum, Cosmarium 

 Surirella, Genus 

 SurirelleLT;, Family ... 

 sutoria. Chfetomorplia 

 Swartzii, Desmidium 

 .^ymploca, Genus 

 Synechococcus, Genus 

 Synedra, Genus 

 Synedrete, Family ... 

 Tabellaria, Genus ... 

 Tabellaria, Navicula 



Odontidium 



Tabellariete, Family 

 Ttenia, Xitzschia 

 tapeinosporum, Qidogonium 

 teiiferum, Staurastrum 

 tena.\, Xostoc 

 tenellum, Gomphonema 

 tenerrima, Conferva ? 



Hormiscia 



Oscillaria 



Spirotfenia 



tenue, Cliaracium ... 



Phormidium ... 



Stigeoclonium 



tenuior, Phormidium 

 tcnuirostris, Nitzschia 

 tenuis, Calothiix 



Denticula 



Hormiscia ... 



Nitzschia 



Oscillatoria ... 



Tolypothrix ... 



tenuissima, Spirogyra 

 terrestris, Vaucheria 



Zygogoniwm 



testacea, Aphanocapsa 

 Tetmemorus, Genus 

 tetracerum, Staurastrun\ 

 Tetracoccus, Genus... 

 Telracyclus, Genus ... 

 tetraedricum, Polyedrium 

 Tetraedron, Genus ... 

 Tetragonium, Genus 

 tetragonuni, Cosmarium 



Tetraedron 



letraodon, Eunotia ... 



Tran>. N'.X.U., igoi (pub. July 1901). Bot. Series, Vol. 5. 



