124 VOKKSHIRK NATUkALISTS' UNION. 



589. Tetraedron enorme (Ralfs, 1848) Hansg., 1888. 



[Syn. Stiinmsinan enorme Ralfs, 1848; Polyediium 



enorme (Ralfs) De Bary]. 

 N.W.— Mickle Fell. 

 N.E. — Pilmoor, near Thirsk. 

 S.E. — Skipwitli Common. 



590. Tetraedron gigas (Wittr., 1872), Hansg., 1888. 



[Syn. Polyedrium gigas Wittr., 1872]. 

 N.W.— Birkdale Tarn Moss. 



591. Tetraedron lobulatum (Nag., 1849), Hansg., 

 1888. [Syn. Polyedrium lobulaluin Nag., 1849]. 



N.E. — Gonnire (\V. B. Turner). 



592. Tetraedron minimum (.\. Br., 1868), Hansg., 



1888. [Syn. Polyedrium minimum A, Br., 1868; 



P. Pimcidium Reinscli., 1867]. 

 Mid W.— Old Cote Moor. Roundhay Park, Leeds. 

 N. E. — Pilmoor, near Thirsk. 

 S.E.— Market Weighton. 



593. Tetraedron trigonum (Nag., 1849], Hansg., 1888. 



[Syn. Polyedrium trigonum Nag., 1849]. 

 N.E. — Pilmoor, near Thirsk. 



594. Tetraedron tetragonum (Niig., 1849), Hansg., 



1888. [Syn. Polyedrium tetragonum Nag., 1849]. 



S. W. — Frizinghall. 

 N.E. — Pilmoor, near Thirsk. Rievaulx Abbey. 



595. Tetraedron octaedricum (Reinsch., 1867), Hansg. 



1888. [Syn. Polyedrium octaedriaim Reinsch., 1867]. 

 Mid W.— Cam Fell. 

 N.^^'. — Bog near 'Widdale Beck. 

 S.E. — Riccall Common. 



This species has not previously been recorded for the British 

 Isles. 



596. Tetraedron caudatum (Corda), Hansg., 1888. 



[Syn. Polyedrium pentagonum Reinsch]. 



T^all^ Y.N. U., i?a9 (piili. July 1901). Bot. Scrie.. Vot. 5. 



