Analecta bryo^raphica Antillarum. 237 



mar^nne hie illic anguste convexa, e cellulis perminutis incrassatis 

 irregulariter rotundis basi longioribus angustis conflatis glabris areo- 

 lata; perichaetialia pauca minora scd lato-Ianceolato-acuminata brevia 

 erecto-patula; theca in pediinculo longiusciilo tenui flcxuoso glabro 

 erecta parva, e coUo brevi ovalis levis, operculo conico rccte rostrato, 

 calyptra lev! aiirea basi fissa; peristomiuni breve duplex: dentes 

 externi dense aggregati lanceolati apice irrcgulares tenuiter carnosuli, 

 intcrni membranacei irrcgulares. 



Habitatio. Cuba, ad arbores in montibus altioribus: Charles 

 Wright, Coll. No. 51, sub Macromitrio cirrhoso SuUiv. nee Sw. 



A M. cirrhoso vero prima fronte differt: foliis vix erosulis nee 

 serrulatis, areolatione rotunda nee lineari punctata, pedunculo longius- 

 culo ncc parum exserto atque theca ovaU nee urnacea. 



66. Macromitrium (Eumacromitria longifolia) pseudo- 

 cirrhosum n. sp.; dioicum; cespites parvi humiles virides inferne 

 rubiginosi robustuli densiusculi ; caules semipoUicares tumesccntcs 

 arete cohacrentes parallcli in ramulos appressos dichotome divisi ; 

 folia caulina parum crispula angusta, madore erecto-patula strictius- 

 cula, e basi longiuscula angusta paululo pallidiore in laminam mcdio- 

 criter longam angustam acuminatam integram attenuata , nervo pro- 

 funde canaliculato dilute ferrugineo in apiccm acutiusculum percur- 

 rente exarata, e cellulis seriatim dispositis majusculo-rotundis basin 

 versus longioribus valde incrassatis parce mammillosis arcolata; 

 perichaetialia majora multo longius acuminata erecta vel paulisper 

 recurva; theca in pedunculo brevi crasso rubro glabro erecta, e collo 



longiusculo globoso-ovalis pyriformis pachyderma levis brevis turgida, 

 operculo minuto e basi planiuscula recte rostellato; peristomiuni 

 duplex breve, dentibus externis angustis lanceolatis obscure articu- 

 latis , internis membranaceis tenuiter asperulis dense aggrcgatis ; 



calyptra ignota; sporae mediocres virides globosae. 



Habitatio. Portorico, sine loco speciali, ad truncos filicum 

 arborescentium: P. Sintenis in Hb. Monkcmeyeri, qui misit 188G. 



Foliis mediocriter longis integris parum cirrhosis atque theca 

 pyriformi-globosa turgescente brevipedunculata facile ab atfinibus 

 distinguendum. Species pulchella. 



67, Macromitrium (Eumacromitria I o n g i f o 1 i a ) d e n t a - 

 tulum n. sp.; cespites lati depressi decumbentcs e lutescentc rubi- 

 ginosi tcneri intricati; caulis ramis graciUbus inferne tenuioribus sim- 

 pliciusculis curvulis teneris laxifoliis; folia caulina linearia valde patenti- 

 distantia tenera, e basi longiuscula angusta erecta in laminam patenti- 

 recurvatam longiuscule carinato-acuminatam producta, margine supra 

 basin parum convexa denique remote denticulata, nervo profunde 

 canaliculato percurrentc exarata strictiuscula vel paukilo flexuosa, e 



