Ptychocoleus. franz stephani. species hepaticarum (Vol. V, 1912). 

 obtuso. Amphigastrium fioraU intimum lobulis subaequilongum, obo- 

 vatum, integerrimum. Andracia in ramis terminalia, breviter spicata, 

 bracteis 5 jugis. 

 Hab. Africa, Insulae Mascarenae. 



12. Ptychocoleus madagascariensis St. n. sp. 



Dioica magna robusta, rufa, flaccida, in cortice dense caespitosa 

 lateque expansa. Caulis ad 7 cm. longus, irregulariter ramosus, ramis 

 longioribus pinnatis, interdum bipinnatis vel fasciculatim aggregatis. 

 Folia caulina imbricata, squarrose patula, in situ oblonga, valde concava 

 margine postico arcte recurvo, in plano subrotunda (0 $ n I i B 

 0,46 mm. lata) apice late rotundata, brevi basi inserta, basi antica 

 rotundata. Cellulse superae 18X27 |x basales 18X36 trigonis majus- 

 €ulis. Lobulus in situ occultus, in plano oblongus, triplo longior quam 

 latus, carina valde inflata, levi sinu in folii marginem excurrente, apice 

 subrecte truncatus, angulo acuto. Amphigastria caulina caule quadruplo 

 latiora, obcuneata, sinuatim inserta, basi utrinque cordatim rotundata, 

 apice late truncata, in plano latiora quam longa. Perianthia parva 

 pyriformia, haud exserta, eplicata, rostro angusto longo. Folia floralia 

 intima, perianthio duplo longiora, squarrose patula, valde concava, 

 marginibus anguste arcteque incurvis, in plano obovato-oblonga, lobulo 

 anguste lineari, foliis vi\ breviore, breviter soluto, apice spiniformi. 

 Amphigastrium florale intimum profunde canaliculatum, squarrose 

 recurvum, in plano oblongo ellipticum, foliis floralibus asquilongum. 

 Andrazcia numerosa, in ramis terminalia, bracteis ad 7 jugis, ex apice 

 vegetativa. 



Hab. Madagascar. 



13. Ptychocoleus inermis St. n. sp. 



Monoica minor rufo-brunnea flaccida, corticola. Caulis ad 2 cm. 

 longus, irregulariter ramosus, bi-vel tripinnatus, ramis saepe fascicu- 

 latim approximatis. Folia caulina parum imbricata, recte patula, valde 

 concava apiceque Jate decurva, in plano late triangulata, asymmetrica, 

 margine postico substricto, brevi basi inserta, apice obtusa, basi antica 

 truncata, in ramis acuta. Cellulte superae 18X27 [i basales 27 X 36 jj. 

 trigonis parvis. Lobulus in situ oblongus arcuatus attenuatus, in plano 

 late ovatus, in folii marginem attenuatus. Amphigastria caulina parva, 

 caule duplo latiora, transverse inserta, basi obcuneata, apice late trun- 

 cata, parum latiora quam longa. Perianthia pyriformia, basi angusta 

 substipitata, postice valde inflata, antice plana, levia, rostro angusto 

 majusculo. Folia floralia intima perianthio parum breviora, oblonga, 

 27 



