Plagiochüa. franz stephani. species hepaticarum. 889 



Folia floralia majora, caulinis similia, fere circumcirca dentata. Perian- 

 thia compresso-campanulala, semialata, ala superne denticulata, ore 

 nndulato truncato spinoso-dentalo, dentibus varie curvalis vel redis 

 subsequilongis. 



Hab. Bogota (Lindig). 



694. Plagiochüa irregularis G. Hep. Mex., p. 110. 



Dioica, mediocris, hurnilis, rigidiuscula, flavo-virens, inferne rufescens. 

 Caulis ad 5 cm. longus, tenuis, fuscus rigidus parum ramosus. Folia 

 caulina adulta plus 3 mm. longa, imbricata, oblique patula, angulo 67° 

 ulrinque breviter decurrenlia, brevi basi inserta, marginibus revolutis 

 valde concava, basi postica ampliata, statu explanatocaulem longe incum- 

 benlia, tertio infero amplissima, apice duplo angustiora, in piano late 

 ovata, margine antico substricto vel leniter arcuato, postico e basi nuda 

 valdeque curvata leniter arcuato 8-9 dentato. dentibus approximatis, 

 breviusculis, e lata basi abrupte attenualis, apice oblique truncato 

 4-5 dentato, dentibus irregularibus, majoribus minoribus mixtis, rede 

 vel oblique patulis, sinubus rotundatis vel lunalis. Folia ramidina 

 decurvo-nomomalla valde aberrantia, oblique elliptica, basi postica haud 

 ampliata basique obcuneala, medio amplissima, apice duplo angustiora, 

 margine postico inferne nudo, medio supero quadridenlato. Cellulx 

 apicales 18 X 36 «i, trigonis magnis acutis, basales 27 X 54 ji trig. 

 maximis ovali-nodulosis vel grosse Stellalis. Folia floralia caulinis 

 majora, circumcirca dentato-spinosa, margine postico creberrime et irre- 

 guiariler armato. Perianthia (sterilia) ore late rotnndato irregulariter 

 denlalo-spinoso. 



Hab. Mexico (Leibold). 



695. P. aliéna G. Hep. Mexic, p. 118. 



Dioica major rigidiuscula pallide olivacea effuse caBspitosa, corticola. 

 Calais ad 7 cm. longus validus fuscus superne subfasciculatus multira- 

 mosus, ramis longis plus minus divergentibus simplicibus vulgo pauci- 

 pinnulatis. Folia caulina parum imbricata, apicibus liberis, vix 3 mm. 

 longa, oblique patula, angulo 68° plano-disticha, postice ampliata, caulem 

 haud superanlia, utrinque longius et anguste decurrentia, in piano ovato- 

 oblonga, quarto infero amplissima, apice duplo angustiora, margine 

 antico stricto nudo, postico e basi nuda arcuata leviter curvâto superne 

 stricto, 10 dentato, dentibus subsequimagnis remotiusculis rede patulis 

 late triangulatis validis acutis, apice rede truncato simililer armato, den- 

 tibus sub 5. Folia ramulina similliraa minora. Cellnix apicales 27 ^ 

 basales 27 X 51 jj. trigonis ubique majusculis saepe longe trabeculatim 



555 



