(VOL. V, 1916). FRANZ STEPHAM. SPECIES HEPATICARUM PhysOCoUa. 



folium excurrens, apice latissimo, rotundato, grosse tridentato, denti- 

 bus inaequalibus, medio validiore. Perianthia uno latere innovata, late 

 pyriformia (1 mm. longa, superne 0,75 mm. lata) apice leviter obcor- 

 data, rostro parvo, plicis posticis breviter decurrentibus, in unam 

 latam confluentibus. Folia floralia majuscula, obovato-oblonga, perian- 

 thio duplo breviora, oblongo-elliptica, plus duplo longiora quam lata, 

 apice rotundata, lobulus magnus, tertio brevior, oblongus, inflatus 

 saccatus, ad l fs solutus, apice obtuso. Folia subfloralia mascula breviora, 

 illis simillima, omnia monandra, paucijuga. 

 Hab. Africa orientalis, fnsulse Comorse. 



3. Physocolea adhaesiva. (Mitt.) St. 

 Lejeunea adhaesiva Mitt. Linn. Soc. 1886, p. 325. 



Autoica, foliicola. Caults pinnatim ramosus. Folia caulina ovato- 

 rotundata, imbricata, margine cellulis pallidis angustis limbato. Lobulus 

 lanceolato-ligulatus vel ovalis, cauli parallelus, saccatus varieformis. 

 Folia floralia caulinis majora, obovata, lobulis subovatis. Perianthia 

 (juvenilia?) iinmersa, lale obovata, plana, ventre linea carinseformi 

 notata. Antheridia in saccis foliorum subfloralium. 



Hab. Usagara. 



4. Physocolea bolombensis. St. n. sp. 



Sterilis major, pallide flavo-virens, foliicola. Caulis ad 2 cm. longus, 

 parum longeque ramosus. Folia caulina conferta, recte patula, plana, 

 ovata, symmetrica (1,5 mm. longa, medio 1 mm. lata) brevi basi 

 inserta, basi antica truncato-rotundata, caulem superantia, apice 

 obtusa, cellulis hyalinis radialiter insertis ornata, quasi cristata, cellulis 

 apicalibus longissimis, subapicales 18 ji, medise 27 ji, basales 18X54 y., 

 cuticula aspera. Lobulus valde aberrans, lanceolatus, oblique patens, 

 folio parum insertus, triplo longior quam latus, cuspidatus. 



Hab. Bolombo. (Congo occident.) 



5. Physocolea bidentula. St. n. sp. 



Dioica, exigua, virens, foliicola. Caulis ad 5 mm. longus, paruni 

 longeque ramosus. Folia caulina contigua, oblique patula, ovata 

 (0,67 mm. longa, 0,41 mm. lata) asymmetrica, margine infero leviter 

 sinuato, supero late rotundato, brevi basi inserta, apice rotundata, 

 marginibus celluloso-serrulatis, cuticula antica papillata. Cellulse supe- 

 rse 18X27 jt, basales 18X36 jj., trigonis parvis. Lobutus magnus, folio 

 duplo brevior, late obovato-obconicus, carina arcuata, ievi sinu in 

 folium excurrens, apice quam basis multo latiore, recte truncato, 

 bidentata, dentibus validis inaequalibus, apicali minore. Perianthia 

 868 



