(VOL. V, 1915). FRANZ STEPHANI. SPECIES IIEPATICARUM Lejeunea. 



Caulis ad 2 cm. longus, sparsim longeque ramosus. Folia caulina imbri- 

 cata, valde consava, in plano late ovata, symmetrica (0,75 mm. longa, 

 medio 0,67 mm. lata) ad medium inserta, basi antica longe truncata, 

 caulem vix tegentia, apice obtusiuscula, integerrima. Cellulse superaj 

 18X18 {x, basales 27x36 validae. Lobulus minor, in situ anguste 

 ovatus, in plano ovato-triangulatus, folio quadruplo brevior, carina 

 oblique adscendens, valde arcuata, recto angulo in folium excurrens, 

 apice quam basis triplo angustiore, oblique emarginato, angulo apicu- 

 lato, sub apiceconstrictus. Amphigastria caulina maxima, foliis subaequi 

 magna, subrotunda, caule quintuplo latiora, basi cordata, ad medium 

 bifida, sinu angusto acuto, laciniis late triangulatis acutis. Peranthia 

 uno latere innovata, clavata (1,33 mm. longa, superne 0,58 mm. lata) 

 eplicata, rostro brevissimo. Folia floralia perianthio duplo breviora, 

 lanceolata, acuta vel obtusa, lobulus parum brevior, lanceolatus, ad 

 l /s solutus, acutus vel obtusus. Amphigastrium florale lobulis conna- 

 tum, ovatum, ad medium inciso-bifidum, rima angusta, laciniis trian- 

 gulatis acutis porrectis. Andracia ignota. 



Hab. Africa occidentalis. Kamerun. 



12. Lejeunea expansa. St. n. sp. 



Monoica, mediocris, pallide virens, corticola, dense depresso-csespi- 

 tans. Caulis ad 2 cm. longus, irregulariter multiramosus. Folia caulina 

 imbricata, recte patula, parum concava, in plano ovata, symmetrica 

 (0,75 mm. longa, medio 0,58 mm. lata) ad medium inserta, basi antica 

 truncato-rotundata, caulem tegentia, apice obtusa. Cellulse superze 

 27X27 {j., basales 18x36 trigonis nullis. Lobulus parvus, folio 

 quintuplo brevior, ovato-triangulatus (saepe obsoletus) carina oblique 

 adscendens, leviter arcuata, levi sinu in folium excurrens, apice quam 

 basi tripio angustiore, truncato, angulo acuto. Amphigastria caulina 

 maxima, caule quintuplo latiora, subrotunda, transverse inserta, ad 

 V» inciso-biloba, sinu recto, laciniis late triangulatis acutus. Perianthia 

 uno latere innovata, clavata (1,33 mm. longa, superne 0,67 mm. lata) 

 apice rotundata, rostro magno, quinqueplicata, plicis posticis longe 

 decurrentibus, angustis, plica antica minus producta. Folia floralia 

 anguste lanceolata, perianthio parum breviora, obtusa; lobulus tertio 

 brevior lanceolatus, ad Va solutus, obtusus. Amphigastrium florale 

 foliis floralibusaBquilongum, spatulatuin, ad 1 a bilobatum, rimaangusta, 

 obtusa, segmentis anguste triangulatis cuspidatis. Androzcia in ramis 

 terminalia, bracteis sexjugis. 



Hab. Afrka. Ubangi. 



