126 



This species has not previously been recorded for the British 

 Isles. 



606. Characium tenue Herm. 

 N.E. — Pilmoor, near Thirsk. 



This species has not previously been recorded for the British 

 Isles. 



607. Characium ensiforme Herm. 



Somewhat erect, almost straight, sometimes subarcuate, linear 

 lanceolate, about twenty times longer than the diameter, apex 

 acute, gradually attenuated downwards into a narrow stalk, base 

 slightly dilated ; chlorophyll pale-green, somewhat irregular, with 

 few granules, not filling the whole cell. 



Thickness, 2'5-3'8 jj. ; length, 65-86 /*. 



This agrees with the description of C. ensiforme, hut the mar- 

 gin was never ' undulato-tumidula,' and the base was hardly 

 ' nodoso-incrassato.' 



N.E. — Pilmoor, near Thirsk, attached to CEdogoniuni sp. 



This species has not previously been recorded for the British 

 Isles. 



608. Characium acuminatum (A. Br.). 



[Syn. Hydrocytium acuminatum A. Br., 1855], 

 Mid W. — Boston Spa. 

 N.E. — Gormire (W. B. Turner). 



Tills species has not previously been recorded for the British 

 Isles. 



609. Characium heteromorphum (Reinsch). 



(Syn. Hydrianum heteromorphum Reinsch]. 



S.W. — Near Mirfield. Greetland, near Halifax. Keighley 

 Moor. 



Mid W.— Malhani Tarn. Markington ! (Rev. J. S. Tute). 

 AVigton Moor. Boston Spa. Cam Fell. 



N.\V.— Mickle Fell. 



N.E. — Scarborough Mere. Terrington. 



S.E. — Newsholme. 



Traiia. WX.U.. iS99(piiI.. July loot). Bot. .Scries, Vol. 5. 



