rii:!
AULACOMNION.
AULACOMNION, GYMNOCEPHALUS, ARRHENOPTERUM, S c h w a g r
(L i n n . ) Spec. muse, et suppl. ad H e dw .
MNIUN D i l l e n . hist, muscur., L i n n . B r i d . Bryol. univ.
BRYUM, MNIUM, ARRHENOPTERUM H e d w , Spec. muse.
BRYUM H o o k e r et T a y l o r Muscol. hrit.
ORTHOPYXIS P a l . B e a u v o i s Prodrom.
HYPNUM W e b e r ct M o h r Bot. Tasch.
Habitus peculiaris hic ad Bartrainias illic ad Mnia et Mecsias acccdens. Plantae
dichotome ramosae, in caespites confcrtae, palustres vcl saxicolae, perennes. Capsula
alte pedicellata, cernua, oblonga, regularis vcl subincurva, striata, operculo obtuse
rostellato.
Caulis primarius erectus, rarius decumbens, tomentosus, axin unicam tertilein
sistens, plus miuus ramulosus. Ramuli saepe flagelliformes, capitulo amorplio terminât
Brideliique pseudopodia sistcntes.
F o l ia d—Ssticha, obovata, clongàta, elongato-lanceolata, semiamplexicaulia, conferta,
margine integra vel denticulata, costa sub apice evanescente insti-ucta, dense
hexagono-areolata, saepe papilloso-granulata,
Florescentia monoica ve! dioica: flos masculus terminalis vcl axillaris, discoideus
vel gemmiformis; antberidia oblonga, brevi - pedicellata ; paraphyses longiores, clavatae
vel filiformes. Flos femineus geimnaceus, ennea — vel polyphyllus; archegonia 10—20.
mediocri magnitudine; parapliyses filiformes scu nullae.
Fructus solitarius: vaginula oblonga, glabra; seta elongata, flexuosa; capsula brevicolla,
cernua, ovalis vcl oblonga, regularis ve! incurva, striata, sicca costata, stornate
annulo instructa; calyptra parvula, cuculiata, laevis; operculum c basi convexa recte vel
oblique breviter et obtuse rostratum; peristomium duplex; externum dentes sedecim
aequcdistantes, longitudine tertiam fere capsulae partem aequantes, lanceolato-subulati.
anguste articulati, intus lamellati, bygroscopici, siccitate incurvi; intei-ius meinln-ana
tenuissima, hyalina, duodccios carinato-plicata, ad dentium dimidium fere procédons,
deliinc in processus duodcciin carina hiantes ciliaque hisce binatim scu ternntim intcr-
posita divisa. Sporac minutissimae. globosae. laeves.