74 
NEW ARRANGEMENT OF 
sativsB seminis magnitudine, viridis, demum fusco-flavescens, 
foliis perichsetialibus iramersa ; ore contracto, ad marginem 
sedecies ? subcrenulato. Operculum elongato-conicum, rec- 
tum, deciduum, thecas concolor. Perisfomium simplex ex 
interiore ortum, " tenerum, membranaceum, albidum,. co- 
num elformans,'' erectum sedecies ? " plicatum, striatum ; 
siccitate subtortuosum." Columella permagna laevis, mem- 
branacea, ventricosa, elongata, ad operculi summitatem in- 
teriorem affixa ; inferne fusca, superne alba. SporuI^E exi- 
guse, fuscse, globose, pellucid se. 
Chak. Diff. Thecdz peristomium simplex, memhrana 
conoidea truncata pUcata. Calyptra mitrceformis. 
Fruct. Calyptra conico-acuminate, mitriform, fuga- 
cious, much shorter than the theca, but nearly of the same 
length as the operculum, membranaceous, pale, brownish. 
Seta terminal, exceedingly short, smooth, of the same 
colour as the theca. Theca furnished with a dubious apo- 
physis (having the small cylindrical pillar supporting the 
sporular sac dilated at the base), entire, smooth, " ovato- 
oblique, somewhat depressed above, but gibbous towards 
the base, ventricose below,'' greenish, at length brownish- 
yellow, immersed among the perichsetial leaves ; the mouth 
contracted, obscurely crenate at the margin into sixteen ? 
segments. Operculum elongato-conical, straight, deciduous, 
similar in colour to the theca. Peristomium, simple, arising 
from within the stoma, " delicate, membranaceous, white, 
forming a plicate cone," erect, " striated, when dry some- 
what twisted."" Columella very large, smooth, membrana- 
ceous, ventricose, elongated, fixed to the interior summit of 
the operculum, fuscous beneath, white above. Spoi'ula^ 
very minute, fuscous, globose, pellucid. 
