No. 3] — MOUSSES NOUVELLES. 9 
(1 
Bryum Kaalaasii n. sp. 
(REIrel0Rase bre) 
(æspites densiusculi, humillimi, ca. 5 mm. alti, superne virides 
vel luteo-virentes. 
Surculus sub apice fertili innovationes binas subpenicillatas 
radicellasque longissimas parum ramosas nigro-violaceas crasse 
papillosas proferens. 
Caulis 0.26 mm. crassus, violaceo-niger, more generis con- 
Structus. 
Folia caulima siccitate adpressa, humiditate erecto-patentia, 
haud decurrentia, inferiora ovata, breviter cuspidata, margine plana, 
costa in apice dissoluta; media ovato-ovalia, sensim breviter cu- 
spidata, 1.9—2.2 mm. longa, 0.6—0.64 mm. lata, margine integro 
late revoluta, apice tamen plana, male limbata, concaviuscula, ad 
insertionem vinoso-rubra; cellulæ tenues, haud porosæ, chloro- 
phyllo fere destitutæ; basales mediæ subrectangulæ, ca.0.085 mm. 
longæ et 0.027 mm. latæ, angulares latiores, ut 0.035 mm. latæ, 
turgidulæ; illæ folii superioris rhomboideo-hexagonæ, ca. 0.04 mm. 
longæ et 0.018 mm. latæ, marginales in folio dimidio inferiore vix 
diversæ, turgidulæ, in dimidio superiore in seriebus ca. 2 paullo 
longiores et angustiores, limbum indistinctum sistentes; costa in 
foliis inferioribus tota longitudine vinoso-rubens, in junioribus basi 
tantum vinosa, ceterum virescens, basi 0.07 mm. lata, cum apice 
dissoluta, inferne plano-convexa, superne teres et dorso valde pro- 
minens, & ducibus ventralibus mediocribus 2, grege comitum, fasci- 
culo cellularum maxime stereidearum, cellulis dorsalibus ca. 8 
constructa. 
Folia innovationum caulinis minora et angustiora, sæpe paullo 
distinctius limbata, ceterum similia. 
Folia perichætialia intima minuta, ovato-triangula, margine 
plana ; costa debilissima. 
Inflorescentia heteroica, floribus bisexualibus, rarius masculis. 
Antheridia ca. 4, 0.5 mm. longa, 0.07 mm. crassa; pistillidia 
pauca, 0.8 mm. longa, paraphyses numerosiores. 
Vaginula ovalis, 0.6 mm. longa, 0.35 mm. crassa, violacea. 
Seta 12—16 mm. longa, inferne 0.18 mm., superne 0.15 mm: 
