(\nalect;i bryograpliica Antillarum. 223 



brevi pallida grossc hexagono-reticulata firnia in laminani panim lon- 

 giorem lanccolatam robuste mucronatam producta, nervo humilitcr 

 lamclloso pro maxima parte occupata, margine obsolete remote den- 

 ticiilata; pcrichactialia similia; theca in pedimculo pollicari crasso 

 stricto flavo-rubente inclinata parva sub ore majori valde constricta 

 breviter oblonga grosse verrucosa, operculo conico, calyptra capsulam 

 totam obtegente basi lacerata breviter oblique mucronata ochracea, 

 actate distincte pluries sulcata; peristomii dcntes breves robusti albidi. 



Ilabitatio. Portorico, prope Adjuntas, in sylva primaeva, inter 

 Cath. Sintenisi, Majo 1886: P. Sintenis in Hb. Krug ct Urban. 



A C. parva differt surculo graciliorc, foliis minutis dense imhri- 

 catis obsolete denticulatis atquc theca distincte sulcata. An varietas 

 praecedentis? 



18. Polytrichum (Catharinclla) Cubcnsis SuUiv. sub Po- 

 gonato in Charles Wright Coll. Muse. Cub. No. 57. 



Ilabitatio. St. Domingo, prope Laudat. Febr. 1880: v. Eggcrs; 

 in sylvis ad lagunam calidam, Januario 1882, c. fr. : idem. 



19. Polytrichum (Catharinclla) obscuro-viridis n. sp.; 

 caules pollicares simplices ficxuosi laxifolii viridissimi ai)iec vcluti 

 rosulatim foliosi; folia caulina remotiuscula parva valde crispatulo- 

 flexuosa madore planiuscula, e basi brevissima laxe hexagono-reticu- 

 lata in laminam lanceolatam robuste fuscato- mucronatam producta, 

 dentibus majusculis rcmotis fuscatis margine et dorso serrata, lamellis 

 supra basin oriundis humilibus partem magnam laminae occu- 

 pantibus obtecta, e cellulis incrassatis hexagonis pallidis grossiusculc 

 areolata. Cactera nulla. 



Habitatio, Jamaica, in montibus copia pluviali minore prope 



Kingston: O. Hansen 1897; Haiti, in montibus prope Furcy, Aug. 



1891: Picarda, forma longesccns. Hb. Berolin. 1898. 



Pol. tortili affinc, sed foliis remoto-laxis jam primo visu 

 diversum. 



20. Polytrichum (Eupoly tricha brachycaulia) breviccps 

 n. sp.; dioicum; caulis supra -pollicaris strictiusculus, inferne teres 

 foliolis minutis apprcssis obtcctus supcrne in comam clavatam vel 

 patulifoliam excurrens simplex; folia caulina parvula madore valde 

 patula recurviuscula juniperoideo-disposita, c basi breviuscule vagi- 

 nata fuscata erecta cellulis angustis reticulata anguste albide margi- 

 nata in laminam lanceolatam plus minusve involutaceam integerrimam 

 cellulis parvis maxime incrassatis fuscidulis areolatam apice robustis- 

 sime mucronatam producta, nervo latissimo lamclloso obscuro dorso 

 dentibus remotis acutis grossc serrata in aristam robustam abruptam 

 tenuiter serrulatam protracto percursa; pcrichactialia a])pressa in 

 aristam multo longiorem fuscam integram producta, ad laminam c 

 cellulis albidis conflatis areolata; theca in pcdunculo ca. pollicari 



