i1 



14 



YORKSHIRE NATURALISTS' UNION. 



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Class CHLOROPHYCE.E. 



Order CONFERVOIDE/l': TIETKROGAM^:. 



Family C0LE0CII^.TACE/E, 



Genus COLEOCILETIC Hrcb., 1844. 



12. Coleochaste scutata Brcb., 1844. 



S.AV. — Doncastcr. Freciuent about Bradford (on Elodea^ etc.). 

 Shipley. 



Mid ^V^— Add Bog (J. Abbott). 



N.E. — Strcnsal](A\\ B. Turner). Malton. Scarborough Mere. 



S.E.^Skipwilh Common. Market AVcighton. 



13. Coleochaste orbicularis Pringsh. 



S.W. — Frizinghall Dam, on Elodea canadensis^ reaching a dia- 

 meter 01 3 mm. ; (abundant, iii. 1895). 

 N.E.^Pihi:ioor, near Tliirsk. 



r 



.14. Coleochaete soluta Pringsh. 



N.E. — Pilmoor, near I'hirsk. 



Species of this genus are, as a rule, epiphytic on acjuatic 

 phanerogams : they arc no doubt generally distributed, but arc 

 very easily overlooked. 



Genus APIIANOCir.ETE Berth., 1S7S. 



15. Aphanochsete repens Berth. 



Mid W. — Baildon Moor, on CladopJwra crispata and ddo- 

 goniinn inacrandnini. Markington ! (Rev. J. S. Tute). Malhaui 



Tarn Bog. 



N.E.— Malton. Sald)urn. 



16. Aphanochsete pilosissima Schmidle. 



Mid W. — Staveley Dam, near Knaresborough. 



N.W. — Fund's Fell, attached to Mougcoiia sp. and to Zygnema 



peciinaiuni. 



17. Aphanochsete polytricha Nordst. 



N.W.— Mossdale Moor, AViddale Fell; a small form, diam. 

 cell. 14 /x. Previously unrecorded for the British Isles, 



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Trans. Y,N,U,j 1896 (pub- Aug- lyou). iSoU ScricSj VoK 5* 



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