Sc/iisma. franzstephani. specieshepaticarum (Vol.VI, 1922) 



vel rufescens, profunde pulvinata. Caulis ad 6 cm. longus, sim- 

 plex vel pauciramosus. Folia caulina remotiuscula, squarrose pa- 

 tula, valde concava, ssepe conduplicata in plano subrotunda (1,83 

 mm. longa, 1,58 mm. lata) subsymmetrica, margine antico magis 

 arcuato integro, postico remote paucidentato, ad medium bifida, 

 sinu recto, lobis triangulatis acutis. Cellulx superse 27 x 27 (i., 

 parietibus validis, basales 27 x 45 [jl, parietibus validis tenuibus, 

 trigonis subnullis. Perianthia fusiformia 4mm. longa profunde 

 sexfida, laciniis anguste lanceolatis 2,5 mm. longis, cuspidatis regu- 

 lariter minuteque dentatis. Folia floralia caulinis majora (4 mm. 

 longa, 2,25 mm. lata) ovata utrinque paucispinulosa, apice -ad 1/3 

 bifida, sinu semirecto obtuso, laciniis inaequalibus, lanceolatis inte- 

 gris. Reliqua desunt. 



Hab. Fuegia (Halle legit). 



Schisma^ Dum. — cf. voi. iv, p. 1-30- 



72. Sehisma Columbiae St. n. sp. 



Dioica maxima, rigida, in cortice et rupibus dense depresso-cses- 

 pitans longeque prostrata. Caulis ad 16 cm. longus, validus fuscus 

 et durus, sub flore geminatim innovatus, haud aliter ramosus, sto- 

 lonibus posticis nullis. Folia caulina conferta, decurvo-homomalla, 

 in plano symmetrica, oblonga (5,25 mm. longa, in medio disci 2 mm. 

 lata) basi breviter decurrentia breviterque setulosa, ad medium 

 bifida, sinu acuto, lobis 3 mm. longis, in plano hamatis, lanceolatis, 

 apice longe setaceis. Discus basalis 2 mm. longus et latus, late obo- 

 vato-obconicus, integerrimus, ipsa basi tantum minute ciliatus. 

 Vitta basalis integra elongata (1,5 mm. longa, 1 mm. lata) cruribus 

 latiusculis, late attenuatis, sub medio laciniarum evanidis. Cellulse. 

 vittarum 18 x 54 fx leviter trabeculatse, in alis 18 x 27 (j, nodulose 

 trabeculatse. Amphigastria caulina foliis subsequilonga vel longiora, 

 laciniis porrectis, ceterum foliis simillima. 



Hab. Columbia (Cardot misit). 



73. Sehisma evittata St. n. sp. 



Sterilis fusco -rufa, setate fusco-brunnea, in cortice dense pulvinata 

 iateque expansa. Caulis 2 cm. longus, rigidus, regulariter brevi- 



357 



