THE GENERA OF MOSSES. 
61 
Gen. VII. Anictangium, Hedw, 
Fruct. Calyptra mitrasformis plus minusve ad basin in 
iacinias irregulares fissa, quandoque pseudo-dimidiata, pal- 
lida, Isevis, glabra. Seta terminalis, perbrevis, ssepius vix 
ulla, recta, rigida, thecas concolor. Apopliysis nulla. Theca 
quandoque subcylindracea, plerumque tamen turbinata, In- 
tegra, nec sulcata nee striata, laevissiraa, rutilans seu fusca, 
ore nudo, subamplo crassiusculo colore saturatiore. Oper- 
culu7n deciduum, integrum, umbonatum seu convexo-ros- 
tratuDi, thecae concolor, irregulariter celluloso-reticulatum. 
Peristomium nullum. Columella valde collapsa, et in fundo 
thecae retracta *. Sporulae magiusculae subsph^ricae, reti- 
culatse ; in una specie tripartita^, punctatas. 
Char. Diff. Seta terminalis, Theca ore nudo. Oper- 
culum deeiduum, i7itegrum. Calyptra mitrafoi'mis, basi 
irregulariter Jissa. 
Feuct. Calyptra mitriform, cleft more or less into ir- 
regular segments at the base, sometimes even pseudo- 
dimidiate, pale, without striae, glabrous. Seta terminal, 
extremely short, sometimes almost none, straight, rigid, of 
the same colour as the theca. Apophysis none. Theca 
sometimes almost cylindrical, but generally turbinate, en- 
tire, smooth, neither sulcated nor striated, reddish, or 
brown ; the mouth naked, usually large, somewhat thick- 
ened, and of a deeper colour. Operculum deciduous, en- 
tire, umbonate or convexo-rostrate, of the same colour as 
* Una in specie solummodo bene obfservavimus. 
