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convexo umbonato, 'annulo lato. — In Madagascar aD. Goudot 
detectum in! hb. Delessert — B. apiculato Schw. affıne. 
Thelia robusta prostrato-repens late extensa onusta ramulis 
unilateralibus ereetis confertissimis brevibus foliosis fuseo-lute- 
scentibus foliis densissime imbrieatis concavisorbicularibus subito 
longe acuminatis acumine in pilum flexuosum desinente per to- 
tam peripheriam acutissime serratis et lobato-ciliatis; rete e 
cellulis medialibus ellipticis, marginalibus quadratis, inferioribus 
elongatis dorso papilla unica simplici globosa instructis composito, 
vervis 2(rarius l)erassis ultra medium productis, foliis perichaetiali- 
bus numerosis oblongo-lanceolatis ineurvato-fexuosis articulatis 
interdum dentatis; setis gracilibus incurvis patentibus; theca 
e basi ovato-cylindriea erecta microstoma; peristomio duplici exter- 
no e dentibus 16 lineari-pugioniformibus albescentibus trabeculatis 
interno e eiliis 16 granulatis obtusis subpellueidis. — Florida 
Chapmann in hb. Delessert — Aff. Theliee asprellae Sulliv.! 
Thuidium erecitum cespitosum caule tenello deeuinbente Te- 
pente ramoso paraphylliis obteeto, ramis ereetis subsimplieibus 
lutescentibus; foliis dense imbricatis hastato-lanceolatis interdum 
ovali-lanceolatis basin involventibus longe acuminatis acumine 
pellueido, nervo lato infra apicem evanido, 'cellulis tenuissimis 
rotundatis chlorophyllosis valde papillatis, foliis perichaetialibus 
anguste lanceolatis longissime acuminato-fliformibus; theca in 
seta laevi gracillima strieta vix fBexuosa cylindracea ovato-cylin- 
draceave erecta fusca; operculoluteo e basi conica longe rostrato 
incurvato; perist. externi dentibus longe pugioniformibus basi 
dense sensim laxe trabeeulatis et pellueidis, interni aequantis 
processibus angustis sensim omnino-attenuatis non perforatis e@ 
membrana brevi orientibus omnino pellucidis, eiliis o. — In Florida 
Chapmann (hb. Delessert) — T. orthocarpo Besch. afline. 
Cylindrothecium Floridanum dense prostratum lutescenti-vi- 
rescens ramosum ramis dense congestis inordinatis foliis omnino 
vestitis ramulos breves erectos emitlentibus, foliis inordinatis 
subpellueidis imbricatis enerviis anguste lanceolatis acutis acumi- 
natisve integris ad apieem tantum tenuissime serrulatis, cellulis 
lineari-lanceolatis angustis congestis basilaribus  alaribusque 
majoribus quadrato-rotundis, perichaet. elongatioribus lovge 
pugioniformibus integerrimis; setis 3—4 erectis strictis amoene 
purpureis sub capsula paulisper dilatatis; theeis fuseis horizon- 
talibus suberectisye ovatis, perist. externi dentibus latis pelluei- 
dis laxissime trabeculatis fenestratis interni externum aequantis 
