FR0DR0MUS FLORiE NOVO-GRANATENSIS. 375 



crassioribus cum fîliformibus mixtis, scoposo-congestis. Folia 

 caulina e basi obliqua concava, late ovato-lanceolata, breviter 

 acuminata, apice denticulata, nervo lutescente superne evanido; 

 cellulis basilaribus slriatis luteis, caeteris auguste pentagonis 

 brevibus iu acumine laxioribus angulato-ellipticis, intevstitiis 

 crassioribus cinctis; folia rainorum augustiora, ovato-lanceolata 

 vel lanceolata, versus apicem plus minusve inciso-serrata vel 

 spinuloso-denticulata, nervo abbreviato furcato dernum sub- 

 evanescente; perichœtialia obovata, subito longe acuminata, 

 apice. parce denticulata, subenervia, cellulis basi laxioribus 

 hyalina. Seta uncialis, fuscata, apice incrassata; theca oblique 

 ovato-elliptica , operculo elongato conico-subulato rostrato 

 thecam subaequante. Peristomium duplex, annulo cinctum; 

 exter. dentibus lanceolato-subulatis, flavescentibus, integris, 

 incurvis ; inter. ciliislate-carinatis, pyramidatis, pallescentibus, 

 superantibus. 



Bogota, Guadalupe, 2900 m., inter frutices. Aug. 1863 parce leg. 

 A. Lindig. 



Porotricho longirostri J$rid. ex habitu simile, sed ramis scoposo-con- 

 gestis nec pinnatis primo visu recognoscitur. 



b. Seta abbreviata. 



k. Porotrichum vARiABiLE Hpe ; prius Neckera flabellata. — 

 Dioicum ; e rhizomate repente caulis basi subnudus, adscen- 

 dens, complanato-pinnatus vel bipinnato-supradecompositus, 

 flabellatus. Folia biformia, infima ramorum late ovata acumi- 

 nata acuta concava, caetera basi uno latere inflexa oblique li- 

 gulata acuta apice inciso-serrata; nervo validiore supra mé- 

 dium producto, cellulis basilaribus ellipticis, superioribus 

 trapezoideis, flavescenti-transparentia ; perichaetialia exteriora 

 breviora ovato-acuminata, superiora longissima, basi convoluta, 

 late-lanceolato-oblonga, subito in acumen longius patulum sub- 

 integerrimum producta, nervo breviore dilatato interdum 

 bificlo instructa, hyalina. Seta brevis, perichaetium duplo vel 

 triplosuperans, exserta; theca obovata, erecta, operculo conico- 

 rostrato. Peristomium duplex; dentibus exter. luteis, lanceolato- 

 subulatis, apice inflexis; inter. cruribus elongatis, longioribus, 



