BRITISH AND AMERICAN FISSIDENS, 195 
peristome of T. vinealis affords a good field-character for 
distinguishing it from T. fallax, and I mention it here because 
I omitted to record it in my paper on the * Musci and Hepa- 
ticæ of Teesdale.’ 
RICHARD SPRUCE. 
Welburn, near Whitwell, 
Yorkshire, March 8, 1845. 
fe 
Description of a new British, and a new American species of 
FissipENs ; by W. Witson, Esq. 
(With a plate, Tas. IX.) 
Fissidens Blovami, (Wils.) caule simplici brevissimo decli- 
nato, foliis oblique lineari-lanceolatis acutis immarginatis 
denticulatis, lamina dorsali supra basin desinente, seta termi- 
nali, capsula erecta, operculo e basi conica oblique rostrato, 
annulo revolubili. (Tab. IX. A.) 
Has. Orton Wood, near Twycross, Leicestershire, on clayey 
banks with F. tavifolius, found in April, 1844, by the Rev. 
A. Blovam. Fruit ripe in January. 
Caules perpusilli, tenerrimi, subcæspitoso-gregarii, vix li- 
neam metientes, Folia 4-6, infima minima, fere squamifor- 
mia, late ovata, acuta, remota, squarrosa, dehinc sensim 
longiora et confertiora, distiche patentia; superiora oblongo- 
lanceolata, ad medium usque conduplicata, toto ambitu præ- 
Cipue ad basin anticam denticulata, nervo valido viridique 
sub apicem dissoluto instructa, lamina dorsali longe supra 
basin desinente; hinc folia obliquata et quasi undulata viden- 
tur; ameene viridia, siccitate haud crispabilia, laxe hexagono- 
subinde pentagono-areolata, sicca guttulata. Flos masculus 
ad caulis basin, gemmiformis, tetraphyllus. Seta ascendens, 
basi fere geniculata, 2-4 lineas longa, gracilis, subflexuosa, - A 
pallide rubella. Vaginula sub-elliptica, fuscidula. Ca one 
erecta vel suberecta, oblongo-elliptica, basi attenuata, ore Vix — 
> Sicca sub ore constricta, olivacea. Op OPERE —— 
