(VOL. V, 1913). franz stephani. SPECIES hepaticarum. Ceratolejeunea. 

 funde solutus. Amphigastrium florale foliis floralibus parum brevius, 

 obovato-oblongum, lobuiis utrinque breviter connatum, apice ad V 4 

 inciso-bilobatum, rima angusta, lobis acuminatis obtusis. Andrazcia 

 desunt. 



Hab. Insula Dominica. 



28. Ceratolejeunea diversicornua St. Hedwigia 1891, p. 207. 

 Monoica mediocris, badia, dense depresso-caespitans. Caulis ad 



3 cm. longus, irregulariter bipinnatus. Folia caulina paruin imbricata, 

 subrecte patula, concava apiceque decurva, in plano ovato-triangulata 

 (0,83 mm. longa, basi 0,83 mm. lata) asymmetrica, margine postico 

 stricto nudo, antico valde arcuato minuteque denticulato, brevi basi 

 inserta, basi antica longe truncata, nuda, apice acuta. Cellulse superae 

 18 X 18 {j., basales 18 X 27 ji. Ocelli geminati, 27 X 54 Lobulus 

 majusculus, folio triplo brevior, oblongus, oblique adscendens, duplo 

 longior quam latus, carina substricta, stricte in folii marginem excur- 

 rens, apice quam basis duplo angustiore, emarginato, angulo apiculato. 

 Amphigastria caulina majuscula, caule triplo latiora, subrotunda, 

 transverse inserta, ad medium inciso-biloba, rima angusta, lobis 

 acutis. Perianthia parva obovata, apice grosse clavellata, clavis perian- 

 thio aequilongis, porrectis, anticis validis, ex angusta basi ampliatis, 

 compressis, optime spathulatis, apice truncato-rotundatis ; clavulis 

 posticis parum brevioribus, triplo angustioribus, inflatis, porrectis 

 teretibus. Folia floralia parva, 0,5 mm. longa, oblonga, obtusa, valide 

 remoteque dentata, lobulus parum brevior, profunde solutus, lanceo- 

 latus paucidentatus. Amphigastrium florale foliis floralibus longius, 

 obovato-obconicum, superne angulatum, apice breviter inciso-bilo- 

 batum, lobis late triangulatis acutis. Andrcecia sessilia, bracteis trijugis. 

 Hab. Kamerun (Africa occidentalis). 



29. Geratolejeunea dominicensis St. n. sp. 



Dioica major, dilute brunnea, corticola. Caulis ad 5 cm. longus, 

 irregulariter pinnatus, ramis longioribus paucis similiter pinnatis. 

 Folia caulina parum imbricata, recte patula, concava apiceque decurva, 

 in plano ovato-oblonga (1,5 mm. longa, 1 mm. lata) asymmetrica, 

 margine postico stricto, antico late arcuato, apice obtusa, regulariter 

 breviterque dentata, ad medium inserta, basi antica truncata. Cellulse 

 superse 27X27 basales 27 X 54 {i, trigonis nullis. Ocellus basalis 

 27 X90 \i. Lobulus brevis, folio sextuplo brevior, maxime inflatus, 

 subsphaericus, ore minuto truncato angulo acuto Amphigastria caulina 

 caule dupio latiora, subsinuatim inserta, late ovata, ad medium inciso- 

 410 



