(21) C. MÜLLER. BRYOLOGIA GUATEMALENSIS. IM 



parva cylindraceo-oblonga microstoma , operculo conico-subulato 

 brevi, annulo angusto revolubili. 



Habitatio. Alta Vera Paz, 2500 ped. ait., Januario 1886 : v. Türckheim in 

 Hb. Brotheri. 



57. Ceratodon vulcanicus n. sp. ; cespiles pollicares inferne nigri- 

 cantes superne lutescentes laxi; cailles gracillimi parallelo-aggre- 

 gali; folia caulina minuta laxe disposita crispatula madore patula 

 subsecunda, e basi latioreinlaminamacuminatamlineari-atlenuatam 

 canaliculatam producta, margine valde revoluta integerrirna vel sum- 

 mitate subulata crenulata, nervo crassiusculo subexcurrente flavido 

 exarata, e cellulis minutis quadratis luteo-diaphanis areolata flexuosa; 

 pericheetialia majora in cylindrum dense convolutum congesta 

 madore magis patula, e basi vaginata in subulam elongatam 

 flexuosam protracta ; theca in pedunculo flavido stricto longiusculo 

 lenuissimo erecta longiuscula angustissime cylindrica leviter cur- 

 vata, operculo conico oblusiusculo, annulo revolubili, peristomio 

 brevi rubro, dentibus usque ad basin Assis secedenlibus. 



Habitatio. Monte vulcanico de Sn. Marie, 12,000 ped. altus. Coll. N° 63. 



Surculo longiusculo gracillimo nigricante superne lutescente, foliis minutis, 

 pedunculo tenuissimo flavido atque theca angustissime cylindrica longiuscula 

 raptim distinguenda species pulclira. 



58. Trichostomum (Anacalypta) hyophilaceum n. sp. ; 



dioicum, cespituli tenelli expansi luridi pusilli; caulis gracillimus 

 simplex tenuis; folia minuta crispula madore patula stricla, e basi 

 amplexante laxius reliculata in laminam collum involutaceum angus- 

 tius sistentem obtusatam calymperoideam producta, nervo crassius- 

 culo pallido excurrente, cellulis minutis hexagonis dorso tenuiter 

 papillosis; perichsßtialia multo longiora; theca in pedunculo pro 

 plantula longiusculo lenui spiraliter contorto flavo-rubente erecta 

 minuta cylindrica; operculum e basi cupulato-conica in subulam 

 longam acicularem capsulam superantem protractum nec barbu- 

 loideo-spirali cellulosum; peristomium longiusculum vix torlulum 

 rugulosum profunde fissum. , 



Habitatio. Inter Coban et Gualan, Coll. N° 102. 



Ex habita dicranellaceum, quoad folia hyophilaceo-involutacea calympe- 

 roideoacuminata atque operculum longissimum facile cognoscendum. 



